1. ONE METHOD OF INDIRECT FIREFIGHTING IS FLOODING THE SEALED FIRE AREA
WITH ___________________.

STATEMENT NO: 323

ANSWER: WATER

2. CARBON MONOXIDE HAS _______________________.

A. AN ODOR OF FORMALDEHYDE

B. COMPLETELY DISOLVED

C. NO TASTE

D. POOR TASTE

E. GOOD TASTE

STATEMENT NO: 86

ANSWER: C. NO TASTE

3. IF THERE IS A SUFFICIENT AMOUNT OF __________ IN SMOKE, THE SMOKE MAY
BE EXPLOSIVE.

A.HYDROCARBONS

B.EXPLOSIVE GASES

C.METHANE

D.COAL DUST

E.NONE OF THE ABOVE

STATEMENT NO: 163

ANSWER: A.HYDROCARBONS

4. CARBON MONOXIDE HAS _______________________.

A. AN ODOR OF FORMALDEHYDE

B. COMPLETELY DISOLVED

C. NO TASTE

D. POOR TASTE

E. GOOD TASTE

STATEMENT NO: 285

ANSWER: C. NO TASTE

5. IF THERE IS A SUFFICIENT AMOUNT OF __________ IN SMOKE, THE SMOKE MAY
BE EXPLOSIVE.

A.HYDROCARBONS

B.EXPLOSIVE GASES

C.METHANE

D.COAL DUST

E.NONE OF THE ABOVE

STATEMENT NO: 361

ANSWER: A.HYDROCARBONS

6. AFTER A FIRE OR EXPLOSION IN A MINE, RESCUE TEAMS ARE USUALLY NEEDED
TO GO INTO THE MINE TO ASSESS AND ____________________________
VENTILATION.

STATEMENT NO: 311

ANSWER: RE-ESTABLISH

7. NITROGEN HAS NO __________________.

A. VALUE

B. REDEEMING QUALITIES

C. TASTE

D. FUTURE

E. OXYGEN

STATEMENT NO: 283

ANSWER: C. TASTE

8. THE ________________ IS RESPONSIBLE FOR CHOOSING THE EXACT SITES
WITHIN HEADINGS FOR BUILDING SEALS.

STATEMENT NO: 346

ANSWER: TEAM

9. GASES WITH SPECIFIC GRAVITIES GREATER THAN 1.0 TEND TO SEEK
____________________________.

STATEMENT NO: 365

ANSWER: LOW PLACES

10. THE SPECIFIC GRAVITY OF METHANE IS___________________.

STATEMENT NO: 291

ANSWER: 0.5545

11. MINE RESCUE TEAMS MAY FIND IT NECESSARY TO USE
______________________ TO SWEEP NOXIOUS OR EXPLOSIVE GASES FROM A FACE
AREA.

STATEMENT NO: 325

ANSWER: LINE BRATTICE

12. WHENEVER POSSIBLE, IT IS BEST TO ENTER THE MINE BY WAY OF THE
_____________________.

A.SAFEST RETURN AIRWAY

B.CLOSEST AIRWAY

C.SMOKEFREE AIRWAY

D.UNCONTAMINATED AIRWAY

E.NONE OF THE ABOVE

STATEMENT NO: 44

ANSWER: E.NONE OF THE ABOVE

13. NITROGEN IS A(N)______________________IN ABOVE NORMAL
CONCENTRATIONS.

STATEMENT NO: 288

ANSWER: ASPHYXIANT

14. "______________________" IS THE PROCESS BY WHICH YOU SYSTEMATICALLY
EXPLORE ALL CROSSCUTS AND ADJACENT AREAS AS YOU ADVANCE.

STATEMENT NO: 341

ANSWER: TYING IN

15. OPENING OF SEALS PREMATURELY CAN CAUSE A(N)___________________ OF A
FIRE OR AN EXPLOSION.

STATEMENT NO: 265

ANSWER: REIGNITION

16. EXPLOSIONS IN COAL MINES ARE MOST OFTEN CAUSED BY IGNITIONS OF
METHANE, ______________________, OR A COMBINATION OF THE TWO.

STATEMENT NO: 27

ANSWER: COAL DUST

17. _________________________ ARE BUILT BEFORE PERMANENT SEALS ARE
ERECTED IN ORDER TO SEAL OFF A FIRE AREA AS QUICKLY AS POSSIBLE.

STATEMENT NO: 317

ANSWER: TEMPORARY SEALS

18. THE SECOND PRIORITY OF RESCUE AND RECOVERY OPERATIONS IS THE RESCUE
OF _____________________.

STATEMENT NO: 16

ANSWER: SURVIVORS

19. FOR A CLASS C FIRE (ELECTRICAL), IF POWER HAS BEEN CUT OFF TO THE
BURNING EQUIPMENT, IT MAY BE TREATED AS A CLASS __________________ FIRE.

STATEMENT NO: 383

ANSWER: A OR B

20. _____________________ IS A SUPPORTER OF COMBUSTION.

STATEMENT NO: 262

ANSWER: OXYGEN

21. IN MINES WHERE __________________________ (ROOF COAL) IS LEFT, A
FIRE WILL SPREAD MORE RAPIDLY.

A. HEAD COAL

B. ROOSTER COAL

C. PEACOCK COAL

D. SPARROW COAL

E. HENWAY COAL

STATEMENT NO: 318

ANSWER: A. HEAD COAL

22. WHEN LOOKING FOR SURVIVORS, IT IS IMPORTANT TO BOTH LOOK AND
_______________ FOR CLUES.

STATEMENT NO: 382

ANSWER: LISTEN

23. GASES WITH SPECIFIC GRAVITIES LESS THAN _____________ TEND TO SEEK
HIGH PLACES.

STATEMENT NO: 364

ANSWER: 1.0

24. CLASS _________ FIRES INVOLVE FLAMMABLE OR COMBUSTIBLE LIQUIDS.

STATEMENT NO: 348

ANSWER: "B"

25. EXPLOSIONS, FIRES AND OTHER DISASTERS FREQUENTLY RESULT IN
________________________ CONDITIONS.

STATEMENT NO: 326

ANSWER: ROOF AND RIB

26. DURING EXPLORATION, TEAMS WILL WORK ACCORDING TO A ______________
SCHEDULE.

A. FIRST COME

B. MOST RESTED

C. REVERSE

D. ROTATION

E.NONE OF THE ABOVE

STATEMENT NO: 20

ANSWER: D. ROTATION

27. NITROGEN DIOXIDE IS ________________________.

A. NOT A GAS

B. COMBUSTIBLE

C. SLIGHTLY TOXIC

D. NONEXPLOSIVE

E. ALL OF THE ABOVE

STATEMENT NO: 281

ANSWER: D. NONEXPLOSIVE

28. _______________ CONSISTS OF TINY PARTICLES OF SOLID AND LIQUID
MATTER SUSPENDED IN THE AIR.

STATEMENT NO: 24

ANSWER: SMOKE

29. _______________________ VENTILATION IS THE REVENTILATION OF A SEALED
AREA IN SUCCESSIVE BLOCKS BY MEANS OF AIR LOCKS.

STATEMENT NO: 266

ANSWER: PROGRESSIVE

30. METHANE IS ______________.

A.NON-EXPLOSIVE.

B.YOUR FRIEND.

C.LIGHTER THAN HYDROGEN.

D.NOT YOUR FRIEND.

E.LIGHTER THAN AIR.

STATEMENT NO: 272

ANSWER: E. LIGHTER THAN AIR

31. "________________________________" ARE DEVICES WHICH MAY BE USED TO
ERECT TEMPORARY STOPPINGS.

STATEMENT NO: 260

ANSWER: POGO STICKS

32. IN SITUATIONS TOO HAZARDOUS FOR TEAMS TO EXPLORE AND REVENTILATE
SAFELY, TEAMS MAY BE INSTRUCTED TO
______________________________________.

STATEMENT NO: 334

ANSWER: SEAL THE AREA

33. AFTER GOING ___________________________ TO EXPLORE FOR A FIRE OR TO
FIGHT A FIRE, THE TEAM SHOULD KNOW ABOUT ANY POSSIBLE IGNITION SOURCES
THAT MAY EXIST IN THE EFFECTED AREA.

STATEMENT NO: 41

ANSWER: UNDERGROUND

34. YOUR CAPTAIN MAY ORDER THE TEAM TO RETURN IMMEDIATELY TO THE
__________________________ IF A TEAM MEMBER'S APPARATUS MALFUNCTIUONS.

STATEMENT NO: 252

ANSWER: FRESH-AIR BASE

35. THE RANGE OF CONCENTRATIONS WITHIN WHICH A GAS WILL EXPLODE ARE
KNOWN AS ITS "___________________________________".

STATEMENT NO: 313

ANSWER: EXPLOSIVE RANGE

36. ______________PULLS ON THE LIFELINE MEANS THAT THE RESCUE TEAM IS
GOING TO RETREAT, MOVE TOWARD THE NO. 5 PERSON (LAST PERSON).

STATEMENT NO: 12

ANSWER: THREE

37. TO DETECT OXYGEN DEFICIENT ATMOSPHERES, USE EITHER AN OXYGEN
INDICATOR OR _______________________________________.

STATEMENT NO: 102

ANSWER: FLAME SAFETY LAMP

38. SMOKE USUALLY CONTAINS __________________________________ AND OTHER
TOXIC OR ASPHYXIATING GASES PRODUCED BY FIRES.

STATEMENT NO: 106

ANSWER: CARBON MONOXIDE

39. TO DETECT OXYGEN DEFICIENT ATMOSPHERES, USE EITHER AN OXYGEN
INDICATOR OR _______________________________________.

STATEMENT NO: 301

ANSWER: FLAME SAFETY LAMP

40. SMOKE USUALLY CONTAINS __________________________________ AND OTHER
TOXIC OR ASPHYXIATING GASES PRODUCED BY FIRES.

STATEMENT NO: 305

ANSWER: CARBON MONOXIDE

41. IT IS GENERALLY _________________________ THAT TEAMS NOT TRAVEL
THROUGH FOAM-FILLED AREAS.

SUGGESTED

A MYTH

ARGUED

RECOMMENDED

ACCEPTED

STATEMENT NO: 322

ANSWER: D. RECOMMENDED

42. WHEN A BODY IS FIRST LOCATED, EVERY EFFORT SHOULD MADE NOT TO
DISTURB ANY POSSIBLE _________________________________ IN THE AREA.

STATEMENT NO: 333

ANSWER: EVIDENCE

43. ________________________ ENCOUNTERED DURING EXPLORATION ARE
IMPORTANT BECAUSE THEY MAY CONTAIN INFORMATION ABOUT THE WHEREABOUTS OF
SURVIVORS.

STATEMENT NO: 251

ANSWER: DINNER BUCKETS

44. BEFORE A RESCUE TEAM GOES UNDERGROUND, IT WILL ATTEND A
_________________________________.

A. UNION MEETING

B. GOING AWAY PARTY

C. BRIEFING SESSION

D. MEMORIAL SERVICE

E. ALL OF THE ABOVE

STATEMENT NO: 130

ANSWER: C. BRIEFING SESSION

45. AS THE TEAM ADVANCES UNDERGROUND, THE __________________ TAKES THE
LEAD.

STATEMENT NO: 144

ANSWER: CAPTAIN

46. BEFORE A RESCUE TEAM GOES UNDERGROUND, IT WILL ATTEND A
_________________________________.

A. UNION MEETING

B. GOING AWAY PARTY

C. BRIEFING SESSION

D. MEMORIAL SERVICE

E. ALL OF THE ABOVE

STATEMENT NO: 329

ANSWER: C. BRIEFING SESSION

47. AS THE TEAM ADVANCES UNDERGROUND, THE __________________ TAKES THE
LEAD.

STATEMENT NO: 342

ANSWER: CAPTAIN

48. A MEMBER OF A RESCUE TEAM MUST BE EXAMINED BY A PHYSICIAN AT LEAST
________________.

STATEMENT NO: 3

ANSWER: ANNUALLY

49. THE FIRST SYMPTOM OF _______________ POISONING IS A SLIGHT
TIGHTENING ACROSS THE FOREHEAD AND POSSIBLY A HEADACHE.

A.HYDROGEN SULFIDE

B.CARBON MONOXIDE

C.CARBON DIOXIDE

D.NITROGEN DIOXIDE

E.NONE OF THE ABOVE

STATEMENT NO: 307

ANSWER: B.CARBON MONOXIDE

50. ALL CONDUCTIVE OBJECTS SUCH AS CABLES, TRACK, TROLLY WIRE, WATER
LINES, BELT STRUCTURES, ETC., EXTENDING INTO THE EXPLOSION AREA SHOULD
BE SEVERED OR REMOVED AT OR INBY THE FRESH-AIR BASE BEFORE
___________________ ARE STARTED.

STATEMENT NO: 23

ANSWER: EXPLORATIONS

51. THE MAIN OBJECTIVE OF ___________________ WORK IS TO PUT THE
AFFECTED AREA OF THE MINE BACK IN OPERATION AS SOON AS POSSIBLE.

STATEMENT NO: 387

ANSWER: RECOVERY

52. TO TEST FOR METHANE USE A ___________________________ OR CHEMICAL
ANALYSIS.

STATEMENT NO: 302

ANSWER: METHANE DETECTOR

53. ELECTRICAL FIRES ARE BEST EXTINGUISHED BY___________________ SUCH
AS CARBON DIOXIDE AND CERTAIN DRY CHEMICALS.

A. EXTINGUISHERS

B. FIRE FIGHTING AGENTS

C. NONCONDUCTING AGENTS

D. F0AMING AGENTS

E. NONE OF THE ABOVE

STATEMENT NO: 5

ANSWER: C. NONCONDUCTING AGENTS

54. SULFUR DIOXIDE IS ___________________________.

STATEMENT NO: 275

ANSWER: NONEXPLOSIVE

55. TEAM __________________ SHOULD INSPECT ROOF AND RIBS BEFORE THE TEAM
MEMBERS ADVANCE INTO THE AREA.

STATEMENT NO: 375

ANSWER: CAPTAINS

56. BAREFACED EXPLORATION SHOULD _____________________________ ONLY WHEN
A BACK-UP MINE RESCUE TEAM WITH APPARATUS IS IMMEDIATELY AVAILABLE.

STATEMENT NO: 45

ANSWER: BE ATTEMPTED

57. CONTINUAL EXPOSURE TO____________________________ MAY DULL THE SENSE
OF SMELL.

STATEMENT NO: 289

ANSWER: HYDROGEN SULFIDE

58. CARBON MONOXIDE HAS _________________________.

STATEMENT NO: 80

ANSWER: NO COLOR

59. THE ______________________________ SHOULD BE TESTED BEFORE
EXTINGUISHING A FIRE.

STATEMENT NO: 179

ANSWER: ROOF AND RIBS

60. CARBON MONOXIDE HAS _________________________.

STATEMENT NO: 279

ANSWER: NO COLOR

61. THE ______________________________ SHOULD BE TESTED BEFORE
EXTINGUISHING A FIRE.

STATEMENT NO: 377

ANSWER: ROOF AND RIBS

62. TEMPORARY SEALS SHOULD INCLUDE PROVISIONS FOR COLLECTING
________________________ FROM THE SEALED AREA.

STATEMENT NO: 263

ANSWER: AIR SAMPLES

63. __________________ IS USEFUL ONLY IN FIGHTING CLASS B AND C FIRES.

STATEMENT NO: 36

ANSWER: FOAM

64. THE FRESH-AIR BASE IS THE ____________________________ FROM WHICH
THE RESCUE AND RECOVERY TEAMS CAN ADVANCE INTO IRRESPIRABLE ATMOSPHERES.

STATEMENT NO: 47

ANSWER: BASE OF OPERATIONS

65. IN SOME MINES, _______________IS LIBERATED FROM THE ROCK
STRATA.

A.CARBON MONOXIDE

B.CARBON DIOXIDE

C.HYDROGEN SULFIDE

D.NITROGEN DIOXIDE

E.NONE OF THE ABOVE

STATEMENT NO: 101

ANSWER: B.CARBON DIOXIDE

66. THE SPECIFIC GRAVITY OF ___________ IS 1.5291.

A.CARBON MONOXIDE

B.CARBON DIOXIDE

C.HYDROGEN SULFIDE

D.NITROGEN DIOXIDE

E.NONE OF THE ABOVE

STATEMENT NO: 300

ANSWER: B.CARBON DIOXIDE

67. FOUR PULLS ON THE LIFELINE MEANS THAT THE RESCUE TEAM IS IN DISTRESS
OR ________________________.

STATEMENT NO: 13

ANSWER: EMERGENCY

68. THE EFFECTS OF TOXIC GASES DEPEND ON THE ______________________,
TOXICITY, AND EXPOSURE TIME.

STATEMENT NO: 358

ANSWER: CONCENTRATION

69. THE TIME SPENT UNDERGROUND BY A RESCUE TEAM IS USUALLY LIMITED TO
________ HOURS OR LESS.

A.4

B.3

C.6

D.2

E.NONE OF THE ABOVE

STATEMENT NO: 381

ANSWER: D.2

70. BURNING WOOD IS AN EXAMPLE OF A CLASS __________ FIRE.

STATEMENT NO: 14

ANSWER: A

71. THE MONITORING OF THE MINE ATMOSPHERE FOR THE PRESENCE OF
OXYGEN,_________________, AND CARBON MONOXIDE IS AN IMPORTANT ELEMENT OF
TEAM EXPLORATION.

STATEMENT NO: 50

ANSWER: METHANE

72. COPPER TUBES OR PIPES ARE INSERTED IN THE TEMPORARY AND PERMANENT
SEALS FOR THE PURPOSE OF _________________________________ FROM THE
SEALED AREA.

A.EVALUATING CO READINGS

B.COLLECTING AIR SAMPLES

C.CHECKING EXPLOSIVE MIXTURES

D.MONITORING GASES

E.NONE OF THE ABOVE

STATEMENT NO: 40

ANSWER: B.COLLECTING AIR SAMPLES

73. SULFUR DIOXIDE IS ___________________________.

A. YOUR BUDDY

B. ESSENTIAL FOR LIFE

C. HIGHLY TOXIC

D. NON-CONDUCTING

E. REDDISH BROWN IN HIGH CONCENTRATIONS

STATEMENT NO: 287

ANSWER: C. HIGHLY TOXIC

74. ____________________ ARE USED TO PERMIT TWO AIR CURRENTS TO CROSS
WITHOUT THE INTAKE AIR SHORT-CIRCUITING TO THE RETURN.

STATEMENT NO: 340

ANSWER: OVERCASTS

75. ___________________ OR COKE STREAMERS, IF ENCOUNTERED, SHOULD BE
REPORTED IN LOCATION AND SIZE.

STATEMENT NO: 380

ANSWER: COKING

76. THE TEAM SHOULD MAKE SURE THE MAIN FAN IS RUNNING, A GUARD IS
MONITORING THE OPERATION OF THE FAN, AND TESTS ARE BEING MADE AT
THE_____________________________ FOR ANY GASES THAT MAY BE PRESENT IN
THE MINE, BEFORE THEY GO UNDERGROUND.

STATEMENT NO: 42

ANSWER: MAIN RETURN

77. ONE HAZARD OF HEAT DURING A FIRE IS THAT IT TENDS TO WEAKEN THE
ROOF, ESPECIALLY WHERE ____________________________ IS LEFT.

A. ROOF SUPPORT

B. HEAD COAL

C. NO ROOF SUPPORT

D. MINE EQUIPMENT

E. ANY SMOKING ARTICLE

STATEMENT NO: 319

ANSWER: B. HEAD COAL

78. A _________________________ IS ESTABLISHED AT THE POINT WHERE
CONDITIONS NO LONGER PERMIT BAREFACED EXPLORATION.

STATEMENT NO: 21

ANSWER: FRESH AIR BASE

79. A ____________________ IS A SESSION HELD WHEN A TEAM RETURNS TO THE
SURFACE AFTER COMPLETING AN ASSIGNMENT TO REVIEW WHAT THEY SAW AND DID.

STATEMENT NO: 253

ANSWER: DEBRIEFING

80. THE FRESH-AIR BASE SHOULD BE LOCATED WHERE IT'S ASSURED
_____________________ VENTILATION AND FRESH AIR.

STATEMENT NO: 370

ANSWER: POSITIVE

81. THE PURPOSES OF ________________ A MINE FIRE ARE TO CONTAIN THE FIRE
TO A SPECIFIC AREA AND TO EXCLUDE OXYGEN FROM THE FIRE AND EVENTUALLY
SMOTHER IT.

STATEMENT NO: 6

ANSWER: SEALING

82. BEFORE PUTTING ON THE APPARARUS, IT SHOULD BE
___________________________ AND PROPERLY PREPARED FOR USE.

STATEMENT NO: 25

ANSWER: PROPERLY TESTED

83. AS A TEAM ADVANCES, IT IS IMPORTANT TO STAY IN CLOSE CONTACT WITH
THE ___________________________ TO REPORT TEAM PROGRESS AND TO RECIEVE
FURTHER INSTRUCTIONS.

STATEMENT NO: 372

ANSWER: FRESH-AIR BASE

84. BEFORE THE TEAM LEAVES THE FRESH-AIR BASE TO TRAVEL INBY, THE
__________________ SHOULD TAKE NOTE OF THE TIME OF DEPARTURE.

STATEMENT NO: 336

ANSWER: CAPTAIN

85. ________________________________ IS THE PRODUCT OF INCOMPLETE
COMBUSTION OF ANY CARBON MATERIAL.

STATEMENT NO: 264

ANSWER: CARBON MONOXIDE

86. ____________________________________ HAS AN ODOR SIMILAR TO ROTTEN
EGGS.

STATEMENT NO: 81

ANSWER: HYDROGEN SULFIDE

87. A MIXTURE OF COALDUST IN AIR ____________________ THE EXPLOSIVE
LIMIT OF METHANE.

STATEMENT NO: 109

ANSWER: REDUCES

88. ____________________________________ HAS AN ODOR SIMILAR TO ROTTEN
EGGS.

STATEMENT NO: 280

ANSWER: HYDROGEN SULFIDE

89. A MIXTURE OF COALDUST IN AIR ____________________ THE EXPLOSIVE
LIMIT OF METHANE.

STATEMENT NO: 308

ANSWER: REDUCES

90. THE FIRST PRIORITY OF RESCUE AND RECOVERY OPERATIONS
IS_____________________________.

STATEMENT NO: 15

ANSWER: TEAM SAFETY

91. ONCE VENTILATION HAS BEEN RE-ESTABLISHED AND FRESH AIR ADVANCED,
______________________ CREWS CAN TAKE OVER THE REHABILITATION AND
CLEANUP EFFORTS.

STATEMENT NO: 327

ANSWER: NONAPPARATUS

92. PROGRESS REPORTS SHOULD INCLUDE REPORTS ON ROOF AND RIB CONDITIONS
AND GAS __________________________.

STATEMENT NO: 379

ANSWER: CONDITIONS

93. ______________________________ COAL BURNS MUCH SLOWER THAN LOW OR
MEDIUM VOLITILE COAL.

A.ANTHRACITE

B.LIGNITE

C.BITUMINOUS

D.HIGH VOLITILE

E.VOLUPTUOUS

STATEMENT NO: 390

ANSWER: D. HIGH VOLITILE

94. WHEN RESCUE TEAMS TRAVEL IN _________________, ALL TEAM MEMBERS
SHOULD HOLD ONTO THE LIFELINE OR BE LINKED TOGETHER BY MEANS OF A
LINKLINE.

STATEMENT NO: 48

ANSWER: SMOKE

95. WHEN RESCUE TEAMS TRAVEL IN _________________, ALL TEAM MEMBERS
SHOULD HOLD ONTO THE LIFELINE OR BE LINKED TOGETHER BY MEANS OF A
_________________.

STATEMENT NO: 248

ANSWER: LINKLINE

96. ______________________ AREAS SHOULD BE MARKED TO WARN OTHER TEAMS
THAT MAY ENTER THE AREA AFTER YOURS.

STATEMENT NO: 378

ANSWER: HAZARDOUS

97. THE IGNITION RANGE OF ___________________________ IN AIR IS 5 TO 15
VOLUME PERCENT.

STATEMENT NO: 79

ANSWER: METHANE

98. HAZARDS OF DIRECT FIREFIGHTING ARE ELECTRIC SHOCK OR ELECTROCUTION,
TOXIC AND ASPHYXIATING GASES, OXYGEN DEFICIENCY, __________________
GASES, HEAT, SMOKE AND STEAM.

STATEMENT NO: 195

ANSWER: EXPLOSIVE

99. THE IGNITION RANGE OF ___________________________ IN AIR IS 5 TO 15
VOLUME PERCENT.

STATEMENT NO: 278

ANSWER: METHANE

100. HAZARDS OF DIRECT FIREFIGHTING ARE ELECTRIC SHOCK OR ELECTROCUTION,
TOXIC AND ASPHYXIATING GASES, OXYGEN DEFICIENCY, __________________
GASES, HEAT, SMOKE AND STEAM.

STATEMENT NO: 392

ANSWER: EXPLOSIVE

101. POOLS OF WATER CAN RELEASE WATER SOLUBLE ________________ INTO THE
AIR WHEN THEY ARE STIRRED UP.

STATEMENT NO: 354

ANSWER: GASES

102. THE AFFINITY OF CARBON MONOXIDE FOR HEMOGLOBIN IS
_____________________ TIMES THAT OF OXYGEN.

A.300 TO 400

B.250 TO 350

C.200 TO 300

D.200 TO 400

E.NONE OF THE ABOVE

STATEMENT NO: 290

ANSWER: C.200 TO 300

103. SOMETIMES WHAT SEEMS LIKE AN ____________________ IS ACTUALLY A
MAJOR ROOF FALL, OR A ROCK BUMP OR ROCK BUST.

STATEMENT NO: 29

ANSWER: EXPLOSION

104. ___________________ IS THE TERM USED TO DESCRIBE THE PROCESS OF
ASSESSING CONDITIONS UNDERGROUND AND LOCATING MINERS.

STATEMENT NO: 43

ANSWER: EXPLORATION

105. TEMPORARY STOPPINGS BUILT IN A CROSSCUT SHOULD BE PLACED AT LEAST
____________ INTO THE CROSSCUT IN ORDER THAT SUFFICIENT SPACE IS
AVAILABLE TO CONSTRUCT A PERMANENT STOPPING.

A.4 TO 6 FEET

B.3 TO 5 FEET

C.3 TO 6 FEET

D.5 TO 10 FEET

E.NONE OF THE ABOVE

STATEMENT NO: 259

ANSWER: A.4 TO 6 FEET

106. __________________________ HAS A REDDISH-BROWN COLOR IN HIGH
CONCENTRATIONS.

STATEMENT NO: 274

ANSWER: NITROGEN DIOXIDE

107. ALL ______________________ SEALS SHOULD BE WELL HITCHED IN THE
ROOF, FLOOR AND RIBS TO IMPROVE THEIR STRENGTH.

STATEMENT NO: 389

ANSWER: PERMANENT

108. ________________ ARE USED UNDERGROUND TO PROPERLY DISTRIBUTE AIR TO
ALL SECTIONS OF THE MINE.

A.VENTILATION FANS

B.VENTILATION CONTROLS

C.PERMANENT STOPPINGS

D.REGULATORS AND STOPPINGS

E.NONE OF THE ABOVE

STATEMENT NO: 363

ANSWER: B.VENTILATING CONTROLS

109. UNDER NO CIRCUMSTANCES SHOULD VENTILATION BE ALTERED WITHOUT ORDERS
TO DO SO FROM THE ________________.

A. FRESH AIR BASE

B. MINE OFFICIALS

C. CHIEF MSHA OFFICIAL

D. COMMAND CENTER

E.NONE OF THE ABOVE

STATEMENT NO: 8

ANSWER: D

110. ____________________ ARE MOST COMMONLY BUILT OUT OF SOLID CONCRETE
BLOCKS.

STATEMENT NO: 39

ANSWER: PERMANENT SEALS

111. A MONOAMMONIUM PHOSPHATE EXTINGUISHER IS EFFECTIVE IN FIGHTING
CLASS________________________ FIRE(S).

STATEMENT NO: 35

ANSWER: A, B, AND C

112. INFORMATION THE TEAM RELAYS TO THE FRESH-AIR BASE IT PROCEEDS IS
KNOWN AS THE "__________________________________".

STATEMENT NO: 330

ANSWER: PROGRESS REPORT

113. WHEN TAKING A READING WITH A(N)________________________ A COMMONLY
USED METHOD IS TO TRAVERSE THE AIRWAY.

STATEMENT NO: 255

ANSWER: ANEMOMETER

114. THE _________ PRIORITY OF RESCUE AND RECOVERY OPERATIONS IS THE
RECOVERY OF THE MINE.

STATEMENT NO: 17

ANSWER: THIRD

115. IT IS HARDER TO REMOVE A CONCENTRATION OF A LIGHT GAS LIKE METHANE
BY VENTILATION THAN IT IS TO REMOVE THE SAME CONCENTRATION OF A HEAVIER
GAS LIKE ______________________________.

STATEMENT NO: 315

ANSWER: CARBON DIOXIDE

116. ___________________ CAN BE LIBERATED WHEN WATER OR STEAM COMES IN
CONTACT WITH HOT CARBON MATERIALS.

A.OXYGEN

B.HYDROGEN DIOXIDE

C.CARBON MONOIDE

D.HYDROGEN

E.NONE OF THE ABOVE

STATEMENT NO: 22

ANSWER: D.HYDROGEN

117. __________________________ ARE GASES WHICH CAUSE SUFFOCATION OR
CHOKING.

STATEMENT NO: 359

ANSWER: ASPHYXIANTS

118. TOXIC GASES ARE PRODUCED BY BURNING RUBBER, NEOPRENE, OR
_____________________________.

STATEMENT NO: 33

ANSWER: POLYVINYL CHLORIDE

119. SOMETIMES WHAT SEEMS LIKE AN ____________________ IS ACTUALLY A
MAJOR ROOF FALL, OR A ______________________________ OR ROCK BUST.

STATEMENT NO: 229

ANSWER: EXPLOSION, ROCK BUMP

120. PERMANENT SEALS SHOULD BE WELL-HITCHED IN THE ________________ ,
FLOOR, AND RIBS TO MAKE THEM AS AIRTIGHT AS POSSIBLE.

STATEMENT NO: 4

ANSWER: ROOF

121. ____________________ IS A MIXTURE OF CARBON DIOXIDE, NITROGEN, AND
AIR WHICH IS OXYGEN DEFICIENT.

STATEMENT NO: 295

ANSWER: BLACKDAMP

122. "CLASS A" FIRES ARE BEST EXTINGUISHED BY COOLING WITH WATER OR BY
BLANKETING WITH CERTAIN __________________________.

STATEMENT NO: 10

ANSWER: DRY CHEMICALS.

123. WHEN YOU HAVE LOCATED A BARRICADE, YOU SHOULD TRY TO DETERMINE
WHETHER THE MINERS INSIDE ARE STILL _______________________________.

STATEMENT NO: 261

ANSWER: ALIVE AND CONSCIOUS

124. THE FRESH AIR BASE SHOULD BE SITUATED WHERE IT CAN BE
________________ TO THE OUTSIDE BY MEANS OF A COMMUNICATION SYSTEM.

STATEMENT NO: 226

ANSWER: LINKED

125. "CLASS A" FIRES ARE BEST EXTINGUISHED BY ____________________ WITH
WATER OR BY _____________________________ WITH CERTAIN DRY CHEMICALS.

STATEMENT NO: 210

ANSWER: COOLING, BLANKETING

126. ____________ PULL ON THE LIFELINE MEANS THAT THE RESCUE TEAM WANTS
TO STOP.

STATEMENT NO: 9

ANSWER: ONE

127. WHEN SEALING A MINE FIRE YOU SHOULD BE CAREFUL TO INSURE THAT THERE
ARE NO ABRUPT ___________________ IN THE VENTILATION OVER THE FIRE AREA.

STATEMENT NO: 38

ANSWER: CHANGES

128. TWO PULLS ON THE LIFELINE MEANS THAT THE RESCUE TEAM IS GOING
TO__________________, MOVE TOWARD THE CAPTAIN.

STATEMENT NO: 11

ANSWER: ADVANCE

129. THE MAIN OBJECTIVES OF ________________________ WORK DURING A MINE
FIRE ARE LOCATING THE FIRE AND ASSESSING CONDITIONS IN THE FIRE AREA.

STATEMENT NO: 394

ANSWER: EXPLORATION

130. A MINE RESCUE AND RECOVERY OPERATION CONSISTS OF A _______________
OF PEOPLE AND SERVICES TO _____________________ AND
_________________________ THE ENTIRE OPERATION.

STATEMENT NO: 231

ANSWER: NETWORK, DIRECT, SUPPORT

131. THE PURPOSES OF SEALING A MINE FIRE ARE TO CONTAIN THE FIRE TO A
________________________ AREA AND TO ___________________ OXYGEN FROM THE
FIRE AND EVENTUALLY SMOTHER IT.

STATEMENT NO: 206

ANSWER: SPECIFIC, EXCLUDE

132. THE FIRST INDICATION OF AN EXPLOSION MAY BE REPORTS FROM MINERS WHO
FELT A SUDDEN ___________________ OF AIR, NOTICE
__________________________________, OR
__________________________________ OF THE EXPLOSION.

STATEMENT NO: 228

ANSWER: MOVEMENT, SMOKE OR DUST, HEARD THE SOUND

133. THE MOST POSITIVE INDICATOR OF THE ____________________ OF AN
EXPLOSION IS THE ________________________ IN WHICH BLOCKS HAVE BEEN
MOVED IN OR FROM STOPPINGS ACROSS ENTRIES NEAR INTERSECTIONS.

STATEMENT NO: 366

ANSWER: ORIGIN, DIRECTION

134. __________________________________ IS AN EXAMPLE OF A CLASS A FIRE.

STATEMENT NO: 214

ANSWER: BURNING WOOD

135. BAREFACED EXPLORATION SHOULD STOP AT ANY POINT WHERE
____________________ IN VENTILATION ARE FOUND.

STATEMENT NO: 219

ANSWER: DISRUPTIONS

136. ___________________ CONSISTS OF TINY PARTICLES OF SOLID AND LIQUID
MATTER ________________________ IN THE AIR.

STATEMENT NO: 224

ANSWER: SMOKE, SUSPENDED

137. WHEN ________________________ A MINE FIRE YOU SHOULD BE CAREFUL TO
INSURE THAT THERE ARE NO ABRUPT ___________________ IN THE VENTILATION
OVER THE FIRE AREA.

STATEMENT NO: 238

ANSWER: SEALING, CHANGES

138. IF THE FRESH-AIR BASE IS UNDERGROUND, IT SHOULD BE LOCATED WHERE
IT'S ASSURED A ___________________________________________________ TO
THE SURFACE.

STATEMENT NO: 171

ANSWER: FRESH AIR TRAVELWAY

139. WHEN FIRES ARE SEALED IN GASSY OR DUSTY MINES, A THICK COATING OF
________________________ SHOULD BE APPLIED TO THE RIBS, ROOF, AND FLOOR
FOR SEVERAL HUNDRED FEET OUTBY THE SEALS, AND IF POSSIBLE, INSIDE THE
SEAL, TO REDUCE THE CHANCE OF A DUST EXPLOSION

STATEMENT NO: 393

ANSWER: ROCK DUST

140. BEFORE OPENING AND TRAVELING THROUGH ANY STOPPING INBY WHICH
CONDITIONS ARE NOT DEFINITELY KNOWN, YOU SHOULD FIRST ERECT A TEMPORARY
STOPPING ________________.

STATEMENT NO: 49

ANSWER: OUTBY

141. _____________________IS MOST SUCCESSFULLY USED TO FIGHT A FIRE BY
APPLYING IT BY HAND OR BY SHOVELING IT ONTO THE FIRE.

STATEMENT NO: 2

ANSWER: ROCKDUST

142. IN SOME MINES CARBON _________________ IS LIBERATED FROM THE ROCK
STRATA.

STATEMENT NO: 100

ANSWER: DIOXIDE

143. FIRES CAN BE ATTACKED BY THE USE OF A FOAM GENERATOR FROM A
DISTANCE OF ____________________ FEET.

A.1000 TO 1500

B.250 TO 500

C.750 TO 1000

D.500 TO 1000

E.NONE OF THE ABOVE

STATEMENT NO: 122

ANSWER: E.NONE OF THE ABOVE

144. IN SOME MINES CARBON _________________ IS LIBERATED FROM THE ROCK
STRATA.

STATEMENT NO: 299

ANSWER: DIOXIDE

145. FIRES CAN BE ATTACKED BY THE USE OF A FOAM GENERATOR FROM A
DISTANCE OF ____________________ FEET.

A.1000 TO 1500

B.250 TO 500

C.750 TO 1000

D.500 TO 1000

E.NONE OF THE ABOVE

STATEMENT NO: 321

ANSWER: E.NONE OF THE ABOVE

146. A _______________________________________ IS A COMPLETELY PORTABLE
UNIT THAT SUPPLIES OXYGEN OR AIR INDEPENDENTLY OF THE SURROUNDING
ATMOSPHERE.

STATEMENT NO: 395

ANSWER: SELF-CONTAINED BREATHING APPARATUS

147. _______________________ AND HYDROGEN SULFIDE ARE WATER SOLUBLE
GASES.

STATEMENT NO: 355

ANSWER: SULFER DIOXIDE

148. THE PURPOSE OF A(N)______________ IS TO SEPARATE TWO DIFFERENT
ATMOSPHERES WHILE STILL PERMITTING MINERS TO ENTER AND EXIT WITHOUT
MIXING THE ATMOSPHERES.

A.TEMPORARY STOPPING

B.PERMENANT STOPPING

C.CHECK CURTAIN

D.AIR LOCK

E.NONE OF THE ABOVE

STATEMENT NO: 258

ANSWER: D.AIR LOCK

149. SEALS IN HIGH VOLATILE COALBEDS ARE OFTEN PLACED __________________
OR MORE FROM THE FIRE AREA.

STATEMENT NO: 37

ANSWER: 1000 FEET

150. AN INDICATION OF AN EXPLOSION MAY BE A(N)___________ IN THE
PRESSURE RECORDING CHART FOR THE MAIN FAN.

A.DECREASE

B.VARIATION

C.JUMP

D.GRADUAL CHANGE

E.NONE OF THE ABOVE

STATEMENT NO: 30

ANSWER: C.JUMP

151. AFTER GOING ___________________________ TO EXPLORE FOR A FIRE OR TO
FIGHT A FIRE, THE TEAM SHOULD KNOW ABOUT ANY POSSIBLE IGNITION SOURCES
THAT MAY EXIST IN THE _________________________ AREA.

STATEMENT NO: 241

ANSWER: UNDERGROUND, EFFECTED

152. DURING ______________________, TEAMS WILL WORK ACCORDING TO A
______________ SCHEDULE.

STATEMENT NO: 220

ANSWER: EXPLORATION, ROTATION

153. ROCK DUST IS MOST SUCCESSFULLY USED TO FIGHT A FIRE BY APPLYING IT
____________________ OR _______________________ IT ONTO THE FIRE.

STATEMENT NO: 202

ANSWER: BY HAND OR BY SHOVELING

154. CARBON _________________________ IS NONEXPLOSIVE.

STATEMENT NO: 284

ANSWER: DIOXIDE

155. MINES ABOVE THE WATER TABLE TEND TO HAVE LESS
______________________ THAN THOSE BELOW THE WATER TABLE.

STATEMENT NO: 310

ANSWER: METHANE

156. IT IS IMPORTANT THAT THE TEAM ___________________ ITS WORK SO THAT
IT CAN _______________________ TO THE FRESH-AIR BASE ON TIME.

STATEMENT NO: 145

ANSWER: PACE, RETURN

157. THE _______________________ EXPLOSIVE LIMIT OF CARBON MONOXIDE IS
12.5 PERCENT.

STATEMENT NO: 154

ANSWER: LOWER

158. __________________ SHOULD BE BUILT AT LOCATIONS WITH GOOD ROOF AND
EVEN ROOF AND RIBS.

STATEMENT NO: 391

ANSWER: SEALS

159. WHEN SURVIVORS ARE LOCATED, THEIR LOCATION, IDENTITIES AND
CONDITION SHOULD BE REPORTED IMMEDIATELY TO THE
____________________________.

STATEMENT NO: 384

ANSWER: COMMAND CENTER

160. OXYGEN HAS ____________________________.

STATEMENT NO: 277

ANSWER: NO ODOR

161. ______________________ EXPLORATION SHOULD STOP AT ANY POINT WHERE
DISRUPTIONS IN VENTILATION ARE FOUND.

STATEMENT NO: 19

ANSWER: BAREFACED

162. RESCUE TEAMS SHOULD BUILD A(N) _______________________ SO THAT TWO
STOPPINGS ARE ERECTED AS CLOSE TOGETHER AS POSSIBLE YET WITH ENOUGH
SPACE TO ALLOW ROOM FOR THE TEAM AND THEIR EQUIPMENT TO FIT IN BETWEEN.

STATEMENT NO: 170

ANSWER: AIRLOCK

163. PERMANENT SEALS SHOULD BE ______________________ IN THE ROOF,
FLOOR, AND RIBS TO MAKE THEM AS AIRTIGHT AS POSSIBLE.

STATEMENT NO: 204

ANSWER: WELL-HITCHED

164. RESCUE TEAMS SHOULD BUILD A(N) _______________________ SO THAT TWO
STOPPINGS ARE ERECTED AS CLOSE TOGETHER AS POSSIBLE YET WITH ENOUGH
SPACE TO ALLOW ROOM FOR THE TEAM AND THEIR EQUIPMENT TO FIT IN BETWEEN.

STATEMENT NO: 368

ANSWER: AIRLOCK

165. IN ORDER TO MAINTAIN AN _______________________, ONE DOOR OF THE
________________________ MUST BE KEPT CLOSED WHILE THE OTHER IS OPENED.

STATEMENT NO: 169

ANSWER: AIRLOCK, AIRLOCK

166. THE __________________ PRIORITY OF RESCUE AND RECOVERY OPERATIONS
IS THE RECOVERY OF THE MINE.

STATEMENT NO: 217

ANSWER: THIRD

167. RESCUE TEAMS ARE RESPONSIBLE FOR ___________________________
____________________ TO THE VENTILATION SYSTEM.

STATEMENT NO: 129

ANSWER: ASSESSING DAMAGE

168. ELECTRICAL FIRES ARE CLASS _______________ FIRES.

STATEMENT NO: 7

ANSWER: C

169. ANY _________________________ GAS CAN EXPLODE UNDER CERTAIN
CONDITIONS.

STATEMENT NO: 314

ANSWER: FLAMMABLE

170. ____________________ ARE USED IN MINE VENTILATION TO REGULATE
AIRFLOW TO MEET THE INDIVIDUAL NEEDS OF EACH AIR SPLIT.

STATEMENT NO: 339

ANSWER: REGULATORS

171. CARBON MONOXIDE IS _______________________.

A. EXPLOSIVE

B. NOT METHANE'S FRIEND

C. NOT CONSIDERED A MINE GAS

D. THE PRODUCT OF COMPLETE COMBUSTION

E. HARD TO SPELL

STATEMENT NO: 73

ANSWER: A. EXPLOSIVE

172. CARBON MONOXIDE CAN BE DETECTED BY MEANS OF CARBON MONOXIDE
DETECTORS, ________________________________, OR BY CHEMICAL ANALYSIS.

STATEMENT NO: 104

ANSWER: MULTI-GAS DETECTORS

173. CARBON MONOXIDE IS _______________________.

A. EXPLOSIVE

B. NOT METHANE'S FRIEND

C. NOT CONSIDERED A MINE GAS

D. THE PRODUCT OF COMPLETE COMBUSTION

E. HARD TO SPELL

STATEMENT NO: 273

ANSWER: A. EXPLOSIVE

174. CARBON MONOXIDE CAN BE DETECTED BY MEANS OF CARBON MONOXIDE
DETECTORS, ________________________________, OR BY CHEMICAL ANALYSIS.

STATEMENT NO: 303

ANSWER: MULTI-GAS DETECTORS

175. TEAM MEMBERS SHOULD REFRAIN FROM DRINKING ALCOHOLIC BEVERAGES FOR
AT LEAST _____________________________ HOURS BEFORE THEY GET UNDER
OXYGEN.

STATEMENT NO: 218

ANSWER: 12 TO 18

176. ____________________ VENTILATION IS THE REVENTILATION OF AN ENTIRE
SEALED AREA AT ONCE.

STATEMENT NO: 267

ANSWER: DIRECT

177. THE RECOMMENDED EXTINGUISHER FOR MINE RECUE TEAMS IS A DRY CHEMICAL
TYPE THAT CONTAINS _____________________________.

STATEMENT NO: 34

ANSWER: MONOAMMONIUM PHOSPHATE

178. THE SPECIFIC GRAVITY OF CARBON MONOXIDE IS__________________.

STATEMENT NO: 93

ANSWER: 0.9672

179. ______________________ FOAM IS AN EFFECTIVE SEALANT WHEN USED
AROUND THE PERIMETER OF A SEAL.

STATEMENT NO: 190

ANSWER: URETHANE

180. THE SPECIFIC GRAVITY OF CARBON MONOXIDE IS__________________.

STATEMENT NO: 292

ANSWER: 0.9672

181. ______________________ FOAM IS AN EFFECTIVE SEALANT WHEN USED
AROUND THE PERIMETER OF A SEAL.

STATEMENT NO: 388

ANSWER: URETHANE

182. THE FIRST INDICATION OF AN EXPLOSION MAY BE REPORTS FROM MINERS WHO
FELT A SUDDEN ___________________ OF AIR, NOTICE SMOKE OR DUST, OR HEARD
THE SOUND OF THE EXPLOSION.

STATEMENT NO: 28

ANSWER: MOVEMENT

183. _____________________ IS THE ABILITY OF A GAS TO BE DISSOLVED IN
WATER.

STATEMENT NO: 353

ANSWER: SOLUBILITY

184. NORMAL AIR HAS A SPECIFIC GRAVITY OF _______________.

STATEMENT NO: 70

ANSWER: ONE

185. CARBON DIOXIDE HAS ______________.

A. A PURPLE HAZE.

B. NO COLOR.

C. AN ODOR OF ROTTEN EGGS.

D. TOXIC QUALITIES.

E. NONE OF THE ABOVE.

STATEMENT NO: 71

ANSWER: B. NO COLOR

186. NORMAL AIR HAS A SPECIFIC GRAVITY OF _______________.

STATEMENT NO: 270

ANSWER: ONE

187. CARBON DIOXIDE HAS ______________.

A. A PURPLE HAZE.

B. NO COLOR.

C. AN ODOR OF ROTTEN EGGS.

D. TOXIC QUALITIES.

E. NONE OF THE ABOVE.

STATEMENT NO: 271

ANSWER: B. NO COLOR

188. _______________________ IS A MIXTURE OF __________________________
IN AIR THAT WILL BURN OR EXPLODE WHEN IGNITED.

STATEMENT NO: 360

ANSWER: FIREDAMP, METHANE

189. WHEN SURVIVORS ARE FOUND, THEY SHOULD BE TRANSPORTED TO SAFETY AND
________________________________________ AS QUICKLY AS POSSIBLE.

STATEMENT NO: 188

ANSWER: FRESH AIR

190. THREE ELEMENTS MUST BE PRESENT FOR AN EXPLOSION TO OCCUR:
________________, _____________________, AND ________________________.

STATEMENT NO: 201

ANSWER: FUEL, OXYGEN, AND HEAT (IGNITION)

191. WHEN ______________________________ ARE FOUND, THEY SHOULD BE
TRANSPORTED TO SAFETY AND ______________________________ AS QUICKLY AS
POSSIBLE.

STATEMENT NO: 386

ANSWER: SURVIVORS, FRESH AIR

192. WHEN ______________________ ARE LOCATED, THE LOCATION, TIME AND
DATE SHOULD BE MARKED ON THE TEAM'S MAP AND THE RIB WHERE THEY ARE
FOUND.

HUMANS

BODIES

SURVIVORS

MINERS

INJURED VICTIMS

STATEMENT NO: 385

ANSWER: C. SURVIVORS

193. IN POTENTIALLY EXPLOSIVE ATMOSPHERES, ____________________________,
NAILS, AND SPADS SHOULD BE USED.

STATEMENT NO: 56

ANSWER: NON-SPARKING

194. ____________________ IS FORMED WHEN METHANE IS BURNED OR HEATED IN
AIR HAVING A LOW OXYGEN CONTENT.

A.FORMELDAHYDE

B.HYDROGEN SULFIDE

C.CARBON MONOXIDE

D.ACETYLENE

E.NONE OF THE ABOVE

STATEMENT NO: 87

ANSWER: D.ACETYLENE

195. IN POTENTIALLY EXPLOSIVE ATMOSPHERES, ____________________________,
NAILS, AND SPADS SHOULD BE USED.

STATEMENT NO: 256

ANSWER: NON-SPARKING

196. ____________________ IS FORMED WHEN METHANE IS BURNED OR HEATED IN
AIR HAVING A LOW OXYGEN CONTENT.

A.FORMELDAHYDE

B.HYDROGEN SULFIDE

C.CARBON MONOXIDE

D.ACETYLENE

E.NONE OF THE ABOVE

STATEMENT NO: 286

ANSWER: D.ACETYLENE

197. COLOR, ODOR AND TASTE ARE _____________ THAT HELP TO IDENTIFY GASES
DURING BAREFACED EXPLORATION.

A.RELIABLE INDICATORS

B.NOT RELIABLE INDICATORS

C.PHYSICAL PROPERTIES

D.REQUIRED PROPERTIES

E.NONE OF THE ABOVE

STATEMENT NO: 356

ANSWER: C.PHYSICAL PROPERTIES

198. SMALL HYDROGEN EXPLOSIONS, KNOWN AS HYDROGEN "_______________" ARE
FAIRLY COMMON IN FIREFIGHTING.

STATEMENT NO: 320

ANSWER: POPS

199. _________________________ IS THE PRODUCT OF OXIDATION INCLUDING THE
DECAY OF TIMBERS.

STATEMENT NO: 94

ANSWER: CARBON DIOXIDE

200. HYDROGEN CAN BE DETECTED WITH A MULTI-GAS DETECTOR OR BY
____________________________.

STATEMENT NO: 99

ANSWER: CHEMICAL ANALYSIS

201. _________________________ IS THE PRODUCT OF OXIDATION INCLUDING THE
DECAY OF TIMBERS.

STATEMENT NO: 293

ANSWER: CARBON DIOXIDE

202. HYDROGEN CAN BE DETECTED WITH A MULTI-GAS DETECTOR OR BY
____________________________.

STATEMENT NO: 298

ANSWER: CHEMICAL ANALYSIS

203. ONE AND ONE HALF TO _____________ PERCENT METHANE TOGETHER WITH
COAL DUST IN AIR MAY BE EXPLOSIVE.

STATEMENT NO: 309

ANSWER: TWO

204. FOR TEAMS USING A COMPRESSED _________________ BREATHING APPARATUS,
THE CAPTAIN USUALLY NOTES EACH TEAM MEMBER'S GAUGE READING AT EACH REST
STOP AND REPORTS THE LOWEST READING TO THE FRESH-AIR BASE.

STATEMENT NO: 350

ANSWER: OXYGEN

205. A SMOKE TUBE IS USED TO SHOW THE DIRECTION AND VELOCITY OF
______________________.

STATEMENT NO: 254

ANSWER: SLOW MOVING AIR

206. THE FIRST PRIORITY OF RESCUE AND RECOVERY OPERATIONS IS
_____________________________.

STATEMENT NO: 215

ANSWER: TEAM SAFETY

207. AN INDICATION OF AN EXPLOSION MAY BE A JUMP IN THE
_____________________________________________ FOR THE MAIN FAN.

STATEMENT NO: 230

ANSWER: PRESSURE RECORDING CHART

208. TEAM MEMBERS SHOULD REFRAIN FROM DRINKING ALCOHOLIC BEVERAGES FOR
AT LEAST _____________ HOURS BEFORE THEY GET UNDER OXYGEN.

A. 12 TO 18

B. 6 TO 10

C. 10 TO 12

D. 8 TO 12

E.NONE OF THE ABOVE

STATEMENT NO: 18

ANSWER: A. 12 TO 18

209. _______________ CAUSES A LACK OF ORIENTATION WHICH MAY CAUSE A TEAM
MEMBER TO LOSE HIS/HER SENSE OF BALANCE.

A.CARBON MONOXIDE POISONING

B.OXYGEN DEFIENCY

C.SMOKE

D.ALL OF THE ABOVE

E.NONE OF THE ABOVE

STATEMENT NO: 347

ANSWER: C.SMOKE

210. A _________________________ IS ESTABLISHED AT THE POINT WHERE
CONDITIONS NO LONGER PERMIT ___________________________ EXPLORATION.

STATEMENT NO: 221

ANSWER: FRESH AIR BASE, BAREFACED

211. ______________________ FIREFIGHTING METHODS ALLOW FIREFIGHTERS TO
REMAIN A SAFE DISTANCE FROM THE FIRE.

STATEMENT NO: 316

ANSWER: INDIRECT

212. CLASS ___________ FIRES INVOLVE COMBUSTIBLE METALS.

STATEMENT NO: 349

ANSWER: "D"

213. ____________________ MUST BE TAKEN IN THE RETURNS NEAR THE FIRE
AREA TO DETERMINE IF THE MINE ATMOSPHERE IS POTENTIALLY EXPLOSIVE.

A.CO READINGS

B.METHANE READINGS

C.EXPLOSIVE MIXTURES READINGS

D.OXYGEN READINGS

E.NONE OF THE ABOVE

STATEMENT NO: 32

ANSWER: E.NONE OF THE ABOVE

214. ABOUT _____________% OF NORMAL AIR IS OXYGEN.

STATEMENT NO: 95

ANSWER: 21

215. BREATHING AIR CONTAINING ___________ PERCENT CARBON DIOXIDE CAUSES
VIOLENT PANTING AND CAN LEAD TO DEATH.

A. 5

B. 1

C. 10

D. 15

E.NONE OF THE ABOVE

STATEMENT NO: 107

ANSWER: C. 10

216. ABOUT _____________% OF NORMAL AIR IS OXYGEN.

STATEMENT NO: 294

ANSWER: 21

217. BREATHING AIR CONTAINING ___________ PERCENT CARBON DIOXIDE CAUSES
VIOLENT PANTING AND CAN LEAD TO DEATH.

A. 5

B. 1

C. 10

D. 15

E.NONE OF THE ABOVE

STATEMENT NO: 306

ANSWER: C. 10

218. THE LOWER EXPLOSIVE LIMIT OF HYDROGEN IS ___________ PERCENT.

A.4.0

B.3.0

C.4.2

D.5.0

E.NONE OF THE ABOVE

STATEMENT NO: 282

ANSWER: A. 4.0

219. THE _____________________ PRIORITY OF RESCUE AND RECOVERY
OPERATIONS IS THE RESCUE OF SURVIVORS.

STATEMENT NO: 216

ANSWER: SECOND

220. HYDROGEN CAN BE LIBERATED WHEN WATER OR _________________ COMES IN
CONTACT WITH ___________________________ MATERIALS.

STATEMENT NO: 222

ANSWER: STEAM, HOT CARBON

221. FOUR PULLS ON THE LIFELINE MEANS THAT THE RESCUE TEAM IS IN
________________________ OR ________________________.

STATEMENT NO: 213

ANSWER: DISTRESS OR EMERGENCY

222. SUFFICIENT TIME SHOULD BE ALLOWED FOR A FIRE AREA TO
________________ BEFORE IT IS _____________________.

STATEMENT NO: 68

ANSWER: COOL, UNSEALED

223. NEW MINE RESCUE TEAM MEMBERS MUST HAVE AT LEAST ____________ OF
INSTRUCTION ON THE BREATHING APPARATUS USED BY THE TEAM.

A.40 HOURS

B.8 HOURS

C.20 HOURS

D.16 HOURS

E.NONE OF THE ABOVE

STATEMENT NO: 137

ANSWER: C.20 HOURS

224. A __________________ OF A RESCUE TEAM MUST BE EXAMINED BY A
PHYSICIAN AT LEAST ________________.

STATEMENT NO: 203

ANSWER: MEMBER, ANNUALLY

225. ______________PULLS ON THE LIFELINE MEANS THAT THE RESCUE TEAM IS
GOING TO ____________________, MOVE TOWARD THE NO. 5 PERSON (LAST
PERSON).

STATEMENT NO: 212

ANSWER: THREE, RETREAT

226. NEW MINE RESCUE TEAM MEMBERS MUST HAVE AT LEAST ____________ OF
INSTRUCTION ON THE BREATHING APPARATUS USED BY THE TEAM.

A.40 HOURS

B.8 HOURS

C.20 HOURS

D.16 HOURS

E.NONE OF THE ABOVE

STATEMENT NO: 335

ANSWER: C.20 HOURS

227. HIGH TEMPERATURES (OR HEAT) CAUSES GASES TO ____________________ SO
THEY DIFFUSE MORE QUICKLY.

STATEMENT NO: 113

ANSWER: EXPAND

228. ONCE AN EXPLOSION HAS OCCURRED, THERE IS ALWAYS THE POSSIBILITY OF
FURTHER _______________________.

IGNITIONS

HYDROGEN POPS

EXPLOSIONS

DAMAGE

NONE OF THE ABOVE

STATEMENT NO: 125

ANSWER: C. EXPLOSIONS

229. THE BASIC PRINCIPLE OF MINE VENTILATION IS THAT AIR ALWAYS MOVES
FROM LOW TO HIGH _______________________________.

STATEMENT NO: 164

ANSWER: PRESSURE REGIONS

230. UNDER NO CIRCUMSTANCES SHOULD VENTILATION BE ALTERED WITHOUT ORDERS
TO DO SO FROM THE ____________________________________.

STATEMENT NO: 208

ANSWER: COMMAND CENTER

231. ONCE AN EXPLOSION HAS OCCURRED, THERE IS ALWAYS THE POSSIBILITY OF
FURTHER _______________________.

IGNITIONS

HYDROGEN POPS

EXPLOSIONS

DAMAGE

NONE OF THE ABOVE

STATEMENT NO: 324

ANSWER: C. EXPLOSIONS

232. ___________________ TEMPERATURES (OR HEAT) CAUSES GASES TO
____________________ SO THEY DIFFUSE MORE QUICKLY.

STATEMENT NO: 312

ANSWER: HIGH, EXPAND

233. __________________ FIRES ARE CLASS C FIRES.

STATEMENT NO: 207

ANSWER: ELECTRICAL

234. WHEN REPORTING _____________________________ TO THE FRESH AIR BASE,
BE SURE YOU ARE _____________________ AND CORRECTLY IDENTIFYING
LOCATIONS.

STATEMENT NO: 345

ANSWER: ANYTHING, CLEARLY

235. IT IS THE RESPONSIBILITY OF RESCUE TEAM MEMBERS TO HAVE ALL THE
____________________________ NEEDED TO DO THE WORK.

STATEMENT NO: 132

ANSWER: INFORMATION

236. IT IS RECOMMEDED THAT THE FIRST STOP FOR A TEAM CHECK BE JUST INBY
THE __________________________________.

STATEMENT NO: 338

ANSWER: FRESH-AIR BASE

237. BEFORE USING A HAND-HELD EXTINGUISHER IT MUST BE CHECKED FOR THE
__________________________________ YOU ARE FIGHTING.

STATEMENT NO: 153

ANSWER: TYPE OF FIRE

238. ALL ________________________ OBJECTS SUCH AS CABLES, TRACK, TROLLY
WIRE, WATER LINES, BELT STRUCTURES, ETC., EXTENDING INTO THE EXPLOSION
AREA SHOULD BE SEVERED OR REMOVED AT OR INBY THE FRESH-AIR BASE BEFORE
___________________ ARE STARTED.

STATEMENT NO: 223

ANSWER: CONDUCTIVE, EXPLORATIONS

239. IN ORDER TO MAINTAIN AN AIRLOCK, ONE DOOR OF THE AIRLOCK MUST BE
KEPT ___________________ WHILE THE OTHER IS ___________________.

STATEMENT NO: 367

ANSWER: CLOSED, OPEN

240. ____________________________________ ARE RESPONSIBLE FOR ASSESSING
________________________ TO THE VENTILATION SYSTEM.

STATEMENT NO: 328

ANSWER: RESCUE TEAMS, DAMAGE

241. THE RESCUE TEAM ____________________________ SHOULD REGULATE THE
TEAM'S PACE ACCORDING TO CONDITIONS ________________________.

STATEMENT NO: 332

ANSWER: CAPTAIN, ENCOUNTERED

242. THE BASIC PRINCIPLE OF MINE VENTILATION IS THAT AIR ALWAYS MOVES
FROM ___________________ TO ___________________ PRESSURE REGIONS.

STATEMENT NO: 362

ANSWER: HIGH, LOW

243. TEAMS SHOUDL NOT __________________ IN WATER ___________________
THAN KNEE DEEP.

STATEMENT NO: 376

ANSWER: TRAVEL, DEEPER

244. IN THE EVENT THAT RESCUE TEAM COMMUNICATIONS FAIL, IT CAN STILL
COMMUNICATE WITH THE FRESH-AIR BASE BY _____________________________ ON
THE COMMUNUCATION CABLE.

STATEMENT NO: 373

ANSWER: TUGGING

245. WHEN USING THE LIFELINE FOR COMMUNICATION, THE ATTENDANT AT THE
__________________________________ WILL ACKNOWLEDGE RECEIVING A SIGNAL
FROM THE TEAM BY SENDING IT BACK TO THE TEAM.

STATEMENT NO: 176

ANSWER: FRESH AIR BASE

246. SUFFICIENT TIME SHOULD BE ALLOWED FOR A
_____________________________ TO ________________ BEFORE IT IS UNSEALED.

STATEMENT NO: 268

ANSWER: FIRE AREA, COOL

247. A TEAM IS A ___________________ MADE UP OF INDIVIDUALS WORKING
TOWARD A COMMON __________________.

STATEMENT NO: 396

ANSWER: UNIT, GOAL

248. A TEAM IS A UNIT MADE UP OF INDIVIDUALS WORKING TOWARD A
____________________________.

STATEMENT NO: 199

ANSWER: COMMON GOAL

249. ONLY _________________________ AND _______________________________
CAN POSITIVELY IDENTIFY A GAS.

STATEMENT NO: 357

ANSWER: DETECTORS, CHEMICAL ANALYSIS

250. FIREDAMP IS A MIXTURE OF _____________________________ IN
______________ THAT WILL BURN OR EXPLODE WHEN IGNITED.

STATEMENT NO: 162

ANSWER: METHANE, AIR

251. THE RESCUE TEAM BRIEFING OFFICER SHOULD ______________________ THE
TEAM'S _____________________ ACCORDING TO CONDITIONS ENCOUNTERED.

STATEMENT NO: 134

ANSWER: REGULATE, PACE

252. _______________________ SHOULD BE TESTED BEFORE USE FOLLOWING A
DISASTER.

STATEMENT NO: 173

ANSWER: ELEVATORS

253. IF THE ________________________________________ IS UNDERGROUND, IT
SHOULD BE LOCATED WHERE IT'S ___________________________ A FRESH AIR
TRAVELWAY TO THE SURFACE.

STATEMENT NO: 369

ANSWER: FRESH AIR BASE, ASSURED

254. MINES ABOVE THE __________________________________ TEND TO HAVE
LESS METHANE THAN THOSE BELOW THE ____________________________.

STATEMENT NO: 111

ANSWER: WATER TABLE, WATER TABLE

255. THREE ELEMENTS MUST BE PRESENT FOR AN EXPLOSION TO OCCUR: FUEL,
________________, AND HEAT (IGNITION).

STATEMENT NO: 1

ANSWER: OXYGEN

256. NITROGEN IS ______________________________.

STATEMENT NO: 276

ANSWER: NONEXPLOSIVE

257. THE TEAM SHOULD MAKE SURE THE MAIN FAN IS RUNNING, A GUARD IS
___________________________ THE OPERATION OF THE FAN, AND TESTS ARE
BEING MADE AT THE_____________________________ FOR ANY GASES THAT MAY BE
PRESENT IN THE MINE, BEFORE THEY GO UNDERGROUND.

STATEMENT NO: 242

ANSWER: MONITORING, MAIN RETURN

258. BAREFACED EXPLORATION SHOULD _____________________________ ONLY
WHEN A BACK-UP MINE RESCUE TEAM ______________________________________
IS IMMEDIATELY AVAILABLE.

STATEMENT NO: 245

ANSWER: BE ATTEMPTED, WITH APPARATUS

259. ____________________ ARE MOST COMMONLY BUILT OUT OF SOLID CONCRETE
BLOCKS.

STATEMENT NO: 239

ANSWER: PERMANENT SEALS

260. WHEN A TEAM LOCATES A BODY, ITS LOCATION AND POSITION SHOULD BE
MARKED ON A MINE MAP AND ON THE ________________________________________
CLOSE TO THE BODY.

STATEMENT NO: 331

ANSWER: ROOF OR RIB

261. TEAMS SHOULD NOT TRAVEL IN WATER DEEPER THAN
_________________________.

STATEMENT NO: 178

ANSWER: KNEE DEEP

262. WHENEVER POSSIBLE, IT IS BEST TO ENTER THE MINE BY WAY OF THE
SAFEST ______________________________________.

STATEMENT NO: 244

ANSWER: INTAKE AIRWAY

263. WHEN REPORTING ANYTHING TO THE _________________________, BE SURE
YOU ARE CLEARLY AND CORRECTLY IDENTIFYING _________________________.

STATEMENT NO: 147

ANSWER: FRESH AIR BASE, LOCATIONS

264. IN THE EVENT THAT RESCUE TEAM COMMUNICATIONS FAIL, IT CAN STILL
COMMUNICATE WITH THE FRESH-AIR BASE BY TUGGING ON THE
________________________________________.

STATEMENT NO: 175

ANSWER: COMMUNICATION CABLE

265. CARBON DIOXIDE IS _____________________________.

STATEMENT NO: 85

ANSWER: NON-EXPLOSIVE

266. WHEN A TEAM LOCATES A BODY, ITS ________________________ AND
_________________________ SHOULD BE MARKED ON A MINE MAP AND ON THE ROOF
OR RIB CLOSE TO THE BODY.

STATEMENT NO: 133

ANSWER: LOCATION, POSITION

267. TWO PULLS ON THE LIFELINE MEANS THAT THE RESCUE TEAM IS GOING
TO__________________, MOVE TOWARD THE ________________________.

STATEMENT NO: 211

ANSWER: ADVANCE, CAPTAIN

268. AS THE TEAM ADVANCES, THE BRIEFING OFFICER RECORDS WHAT THE TEAM
_____________________________ BY MARKING THE _________________________
ON A MINE MAP.

STATEMENT NO: 344

ANSWER: ENCOUNTERS, INFORMATION

269. SEALS IN HIGH __________________________ COALBEDS ARE OFTEN PLACED
_____________________________ OR MORE FROM THE FIRE AREA.

STATEMENT NO: 237

ANSWER: VOLITILE, 1000 FEET

270. BEFORE A FRESH-AIR BASE IS ADVANCED, GAS TESTS SHOULD BE MADE IN
ALL _______________________________ AND
__________________________________ BETWEEN THE OLD AND NEW FRESH-AIR
BASE.

STATEMENT NO: 246

ANSWER: DEAD ENDS, HIGH PLACES

271. ___________________ GASES ARE PRODUCED BY BURNING RUBBER, NEOPRENE,
OR ________________________________________.

STATEMENT NO: 233

ANSWER: TOXIC, POLYVINYL CHLORIDE (PVC)

272. ___________________ IS THE TERM USED TO DESCRIBE THE PROCESS OF
__________________________ CONDITIONS UNDERGROUND AND LOCATING MINERS.

STATEMENT NO: 243

ANSWER: EXPLORATION, ASSESSING

273. ELEVATORS SHOULD BE _____________________ BEFORE USE FOLLOWING A
________________________.

STATEMENT NO: 371

ANSWER: TESTED, DISASTER

274. WHEN USING THE LIFELINE FOR _________________________________, THE
_____________________________ AT THE FRSH-AIR BASE WILL ACKNOWLEDGE
RECIEVING A SIGNAL FROM THE TEAM BY SENDING IT BACK TO THE TEAM.

STATEMENT NO: 374

ANSWER: COMMUNICATION, ATTENDANT

275. AS THE TEAM ADVANCES, THE _________________________________ RECORDS
WHAT THE TEAM ENCOUNTERS BY MARKING THE INFORMATION ON A MINE MAP.

STATEMENT NO: 146

ANSWER: BRIEFING OFFICER

276. THE RECOMMENDED _____________________________ FOR MINE RECUE TEAMS
IS A DRY CHEMICAL TYPE THAT CONTAINS _____________________________.

STATEMENT NO: 234

ANSWER: EXTINGUISHER, MONOAMMONIUM PHOSPHATE

277. THE FRESH AIR BASE SHOULD BE ________________________________ WHERE
IT CAN BE _________________________ TO THE COMMAND CENTER BY MEANS OF A
COMMUNICATION SYSTEM.

STATEMENT NO: 26

ANSWER: SITUATED, LINKED

278. A MONOAMMONIUM PHOSPHATE EXTINGUISHER IS EFFECTIVE IN FIGHTING
CLASS ________________________ FIRE(S).

STATEMENT NO: 235

ANSWER: A, B, AND C

279. THE MONITORING OF THE MINE ATMOSPHERE FOR THE PRESENCE OF OXYGEN,
METHANE, AND CARBON MONOXIDE IS AN IMPORTANT ELEMENT OF
___________________________.

STATEMENT NO: 250

ANSWER: TEAM EXPLORATION

280. BEFORE _______________________ AND TRAVELING THROUGH ANY STOPPING
INBY WHICH CONDITIONS ARE NOT DEFINITELY KNOWN, YOU SHOULD FIRST ERECT A
TEMPORARY STOPPING ________________.

STATEMENT NO: 249

ANSWER: OPENING, OUTBY

281. ______________________ TUBES OR PIPES ARE INSERTED IN THE TEMPORARY
AND PERMANENT SEALS FOR THE PURPOSE OF _________________________________
FROM THE SEALED AREA.

STATEMENT NO: 240

ANSWER: COPPER, COLLECTING AIR SAMPLES

282. ONLY DETECTORS AND CHEMICAL ANALYSIS CAN POSITIVELY
___________________ A GAS.

STATEMENT NO: 159

ANSWER: IDENTIFY

283. SPECIFIC GRAVITY IS THE WEIGHT OF A GAS COMPARED TO AN EQUAL VOLUME
OF NORMAL AIR UNDER THE SAME ________________________________________.

STATEMENT NO: 269

ANSWER: TEMPERATURE AND PRESSURE

284. HYDROGEN SULFIDE IS ______________________.

STATEMENT NO: 74

ANSWER: HIGHLY TOXIC

285. IT MAY BE NECESSARY TO _________________________________________
THE THICKNESS OF THE MATERIAL IN ORDER TO ________________________ THE
EFFECTIVENESS OF A SEAL.

STATEMENT NO: 193

ANSWER: DOUBLE OR TRIPLE, IMPROVE

286. THE FRESH-AIR BASE IS THE ____________________________ FROM WHICH
THE RESCUE AND RECOVERY TEAMS CAN ADVANCE INTO
___________________________ ATMOSPHERES.

STATEMENT NO: 247

ANSWER: BASE OF OPERATIONS, IRRESPIRABLE

287. IT IS IMPORTANT THAT THE TEAM PACE ITS WORK SO THAT IT CAN RETURN
TO THE FRESH-AIR BASE __________________________________.

STATEMENT NO: 343

ANSWER: ON TIME

288. FOAM IS USEFUL ONLY IN FIGHTING _______________________________
FIRES.

STATEMENT NO: 236

ANSWER: CLASS A AND B

289. IT IS RECOMMENDED THAT TEAM CHECKS BE CONDUCTED EVERY
______________________ MINUTES

STATEMENT NO: 139

ANSWER: 15 TO 20

290. ONE PULL ON THE LIFELINE MEANS THAT THE RESCUE TEAM
_____________________________________

STATEMENT NO: 209

ANSWER: WANTS TO STOP

291. IT IS RECOMMENDED THAT __________________________ BE CONDUCTED
EVERY 15 TO 20 MINUTES

STATEMENT NO: 337

ANSWER: TEAM CHECKS

292. IF A TEAM MEMBER MUST RETURN TO THE FRESH-AIR BASE BECAUSE OF A
PROBLEM, IT IS _________________________________________ AMONG TEAMS FOR
THE ENTIRE TEAM TO GO BACK WITH THAT PERSON.

STATEMENT NO: 200

ANSWER: STANDARD PRACTICE

293. BEFORE A FRESH-AIR BASE IS ADVANCED,_______________________ SHOULD
BE MADE IN ALL DEAD ENDS AND HIGH PLACES BETWEEN THE OLD AND NEW
FRESH-AIR BASE.

STATEMENT NO: 46

ANSWER: GAS TESTS

294. NITROGEN DIOXIDE IS PRODUCED BY BURNING AND BY THE
_________________________ OF EXPLOSIVES.

STATEMENT NO: 105

ANSWER: DETONATION

295. GAS READINGS MUST BE TAKEN IN THE RETURNS NEAR THE FIRE AREA TO
DETERMINE IF THE MINE ATMOSPHERE IS
_____________________________________.

STATEMENT NO: 232

ANSWER: POTENTIALLY EXPLOSIVE

296. ________________ IS A MIXTURE OF CARBON MONOXIDE, CARBON DIOXIDE,
METHANE, OXYGEN, __________________________, AND HYDROGEN.

STATEMENT NO: 296

ANSWER: AFTERDAMP, NITROGEN

297. IF A TEAM MEMBER MUST RETURN TO THE ______________________________
BECAUSE OF A ________________________, IT IS STANDARD PRACTICE AMONG
TEAMS FOR THE ENTIRE TEAM TO GO BACK WITH THAT PERSON.

STATEMENT NO: 397

ANSWER: FRESH AIR BASE, PROBLEM

298. BEFORE USING A _________________________________ EXTINGUISHER IT
MUST BE __________________________ FOR THE TYPE OF FIRE YOU ARE
FIGHTING.

STATEMENT NO: 351

ANSWER: HAND-HELD, CHECKED

299. THE ______________________ EXPLOSIVE LIMIT OF _____________________
IS 12.5 PERCENT.

STATEMENT NO: 352

ANSWER: LOWER, CARBON MONOXIDE

300. THE MOST _________________________ INDICATOR OF THE ORIGIN OF AN
EXPLOSION IS THE DIRECTION IN WHICH BLOCKS HAVE BEEN MOVED IN OR FROM
STOPPINGS ACROSS _____________________ NEAR INTERSECTIONS.

STATEMENT NO: 168

ANSWER: POSITIVE, ENTRIES

301. _______________________________ ARE BEST EXTINGUISHED BY
NONCONDUCTING AGENTS SUCH AS CARBON DIOXIDE AND CERTAIN DRY CHEMICALS.

STATEMENT NO: 205

ANSWER: ELECTRICAL FIRES

302. BEFORE PUTTING ON THE APPARARUS, IT SHOULD BE PROPERLY
________________ AND PROPERLY ______________________ FOR USE.

STATEMENT NO: 225

ANSWER: TESTED, PREPARED

303. EXPLOSIONS IN COAL MINES ARE MOST OFTEN CAUSED BY IGNITIONS OF
_______________________, __________________________, OR A COMBINATION OF
THE TWO.

STATEMENT NO: 227

ANSWER: METHANE, COAL DUST

304. AFTERDAMP IS A MIXTURE OF CARBON MONOXIDE, CARBON DIOXIDE, METHANE,
___________________, NITROGEN, AND ______________________.

STATEMENT NO: 97

ANSWER: OXYGEN, HYDROGEN

305. A MINE RESCUE AND RECOVERY OPERATION CONSISTS OF A _______________
OF PEOPLE AND SERVICES TO DIRECT AND SUPPORT THE ENTIRE OPERATION.

STATEMENT NO: 31

ANSWER: NETWORK

306. AN AIR LOCK CONSISTS OF TWO DOORS OR TWO STOPPINGS WITH FLAPS OR
DOORS IN THEM WHICH ARE IN CLOSE PROXIMITY TO EACH OTHER IN
_____________________ PASSAGEWAY.

STATEMENT NO: 257

ANSWER: THE SAME

307. _________________________________ IS PRODUCED BY
____________________ AND BY THE DETONATION OF EXPLOSIVES.

STATEMENT NO: 304

ANSWER: B.NITROGEN DIOXIDE, BURNING

308. __________________________ IS USUALLY FOUND AFTER A MINE FIRE OR
EXPLOSION.

STATEMENT NO: 297

ANSWER: AFTERDAMP