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Mine Rescue Statements > TK > Flashcards

TK Flashcards

1
Q
  1. To test for methane, use a methane detector or chemical _______ .a. evaluation b. analysis c. study
A

analysis

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2
Q
  1. Carbon monoxide can be detected by means of carbon monoxide ________, multi-gas detectors, or by chemical analysis.a. spotters b. indicators c. detectors
A

detectors

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3
Q
  1. Nitrogen dioxide is produced by burning and by the of explosives.a. detonation b. ignition c. exploding
A

detonation

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4
Q
  1. A mixture of coal dust in air reduces the explosive limit of .a. hydrogen b. methane c. oxygen
A

methane

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5
Q
  1. One and one-half to two percent methane with coal dust in air may be explosive.a. found b. together c. mixed
A

together

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6
Q
  1. below the water table tend to have more methane than those above the water table.a. Mines b. Areas c. Entries
A

Mines

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7
Q
  1. After a fire or explosion in a mine, rescue teams are usually needed to go into the mine to assess and re-establish .a. control b. damage c. ventilation
A

ventilation

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8
Q
  1. The of concentrations within which a gas will explode are known as its “explosive range”.a. limit b. amount c. range
A

range

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9
Q
  1. Any flammable gas can explode under conditions.a. uncertain b. extreme c. certain
A

certain

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10
Q
  1. Indirect firefighting methods allow firefighters to remain a safe distance from the .a. fire b. danger c. heat
A

fire

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11
Q
  1. Temporary seals are before permanent seals are erected in order to seal off a fire area as quickly as possible.a. used b. built c. constructed
A

built

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12
Q
  1. In where head coal (roof coal) is left, a fire will spread more rapidly.a. mines b. areas c. situations
A

mines

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13
Q
  1. One hazard of heat during a fire is that it tends to the roof, especially where head coal is left.a. loosen b. deteriorate c. weaken
A

weaken

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14
Q
  1. Fires can be by the use of a foam generator from a distance of 500-1,500 feet.a. fought b. attacked c. contained
A

attacked

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15
Q
  1. It is recommended that teams not travel through foam filled areas.a. usually b. always c. generally
A

generally

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16
Q
  1. One method of indirect firefighting is the sealed fire area with water.a. flooding b. spraying c. filling
A

flooding

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17
Q
  1. Once an explosion has occurred, there is always the of further explosions.a. risk b. chance c. possibility
A

possibility

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18
Q
  1. Mine rescue teams may it necessary to use line brattice to sweep noxious or explosive gases from a face area.a. deem b. find c. think
A

find

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19
Q
  1. ventilation has been re-established and fresh air advanced, non-apparatus crews can take over the rehabilitation and cleanup effort.a. Once b. After c. If
A

Once

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20
Q
  1. Rescue teams are responsible for damage to the ventilation system.a. evaluating b. finding c. assessing
A

assessing

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21
Q
  1. the team relays to the fresh-air base as it proceeds is known as the “progress report”.a. Evidence b. Information c. Communication
A

Information

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22
Q
  1. It is the responsibility of rescue team members to have all the information to do the work.a. needed b. necessary c. available
A

needed

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23
Q
  1. When a team locates a body, its location and position should be on a mine map and on the roof or rib close to the body.a. written b. recorded c. marked
A

marked

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24
Q
  1. The rescue team captain should the team’s pace according to conditions encountered.a. control b. regulate c. set
A

regulate

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25
Q
  1. When a body is first located, every effort should be made not to any possible evidence in the area.a. erase b. disrupt c. disturb
A

disturb

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26
Q
  1. In situations too hazardous for teams to explore and reventilate safely, teams may be to seal the area.a. advised b. instructed c. told
A

instructed

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27
Q
  1. New mine rescue team members must have at least 20 hours of instruction on the breathing apparatus by the team.a. used b. worn c. owned
A

used

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28
Q
  1. Before the team leaves the fresh-air base to travel inby, the should take note of the time of departure.a. team b. mapman c. captain
A

captain

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29
Q
  1. It is recommended that team checks be conducted every minutes.a. 10 to 15 b. 15 to 20 c. 5 to 10
A

15 to 20

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30
Q
  1. It is recommended that the stop for a team check be just inby the fresh-air base.a. initial b. first c. required
A

first

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31
Q
  1. For teams using a compressed oxygen breathing apparatus, the captain usually each team member’s gauge reading at each rest stop and reports the lowest reading to the fresh air base.a. shouts b. checks c. notes
A

notes

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32
Q
  1. “Tying in” is the process by which you explore all crosscuts and adjacent areas as you advance.a. usually b. systematically c. must
A

systematically

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33
Q
  1. As the team advances , the captain takes the lead.a. underground b. inby c. systematically
A

underground

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34
Q
  1. It is important that the team pace its so that it can return to the fresh air base on time.a. travel b. work c. effort
A

work

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35
Q
  1. As the team , the map man records what the team encounters by marking the information on a mine map.a. travels b. advances c. explores
A

advances

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36
Q
  1. The team is responsible for the exact sites within headings for building seals.a. choosing b. finding c. selecting
A

choosing

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37
Q
  1. causes a lack of orientation which may cause a team member to lose his/her sense of balance.a. Dizziness b. Smoke c. Darkness
A

Smoke

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38
Q
  1. Class B fires involve or combustible liquids.a. burnable b. ignitable c. flammable
A

flammable

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39
Q
  1. Class D fires involve metals.a. combustible b. flammable c. ignitable
A

combustible

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40
Q
  1. Before using a hand held extinguisher it must be for the type of fire you are fighting.a. tested b. checked c. approved
A

checked

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41
Q
  1. Solubility is the ability of a to be dissolved in water.a. vapor b. fume c. gas
A

gas

42
Q
  1. Pools of water can water soluble gases into the air when they are stirred up.a. release b. create c. dissolve
A

release

43
Q
  1. High expansion foam is light and and can travel long distances to a fire without breaking down.a. durable b. resilient c. reliable
A

resilient

44
Q
  1. Low expansion foam is very wet and heavy and can only be used when you’re close enough to a fire to the foam directly onto the fire.a. force b. spray c. shoot
A

force

45
Q
  1. is explosive.a. Hydrogen b. Methane c. Carbon monoxide
A

Carbon monoxide

46
Q
  1. is a supporter of combustion.a. Air b. Oxygen c. Methane
A

Oxygen

47
Q
  1. If smoke is so as to make visibility poor, you may need to keep in constant physical contact with a rail, a compressed air or water line, or the rib in order to feel your way along.a. thick b. dense c. dark
A

dense

48
Q
  1. Two of fire cannot be fought directly, fuel rich and spon com (spontaneous combustion), these will be extinguished only by remote controls.a. kinds b. sorts c. types
A

types

49
Q
  1. Team safety must not be compromised. Although “Time is never your friend” do not be in too a hurry and do not permit others to hurry.a. big b. great c. much
A

great

50
Q
  1. Monitoring pressures and gases helps determine what is the danger of explosion, how soon have to move to safety, how effective are the techniques being used and is the fire under control.a. rescuers b. responders c.
A

firefighters

51
Q
  1. dioxide and hydrogen sulfide are water soluble gases. a. Sulfur b. Carbon c. Nitrogen
A

Sulfur

52
Q
  1. Color, odor, and taste are physical that help to identify gases during barefaced exploration. a. elements b. properties c. things
A

proerties

53
Q
  1. detectors and chemical analyses can positively identify a gas.a. Usually b. Sometimes c. Only
A

Only

54
Q
  1. The effects of gases depend on the concentration, toxicity, and exposure time. a. poisonous b. inert c. toxic
A

toxic

55
Q
  1. Asphyxiants are which cause suffocation or choking. a. gases b. fumes c. vapors
A

gases

56
Q
  1. is a mixture of methane in air that will burn or explode when ignited. a. Afterdamp b. Firedamp c. Blackdamp
A

Firedamp

57
Q
  1. If there is a sufficient amount of hydrocarbons in smoke, the may be explosive. a. air b. atmosphere c. smoke
A

smoke

58
Q
  1. Ventilation controls are used underground to properly distribute air to all of the mine. a. areas b. sections c. airways
A

sections

59
Q
  1. Gases with specific gravities than 1.0 tend to seek high places. a. lower b. more c. less
A

less

60
Q
  1. Gases with specific gravities than 1.0 tend to seek low places. a. higher b. greater c. more
A

greater

61
Q
  1. In order to maintain an airlock, one door of the must be kept closed while the other is opened. a. airlock b. wall c. stopping
A

stopping

62
Q
  1. Rescue teams should an airlock so that the two stoppings are as close together as possible yet with enough space to allow room for the team and their equipment to fit in between. a. erect/built b. build/erected
A

build/erect

63
Q
  1. If the fresh air base is underground, it should be where it’s assured a fresh air travelway to the surface.a. placed b. situated c. located
A

located

64
Q
  1. The fresh air base should be where it’s assured positive ventilation and fresh air.a. located b. situated c. placed
A

located

65
Q
  1. Elevators should be before use following a disaster. a. checked b. lowered c. tested
A

tested

66
Q
  1. As a team advances, it is important to stay in close with the fresh air base to report team progress and to receive further instructions. a. vicinity b. communication c. contact
A

contact

67
Q
  1. is lighter than air.a. CO b. Hydrogen c. Methane
A

Methane

68
Q
  1. Team captains should inspect roof and ribs before the team members into the area. a. advance b. travel c. move
A

advance

69
Q
  1. The roof and ribs be tested before extinguishing a fire. a. must b. should c. will
A

should

70
Q
  1. Hazardous areas should be marked to warn other teams that may the area after yours. a. enter b. explore c. travel
A

enter

71
Q
  1. Progress reports should include on roof and rib conditions and gas . a. information/constituents b. information/locations c. reports/conditions
A

reports/conditions

72
Q
  1. The time spent underground by a rescue team is usually limited to hours or less. a. four b. two c. three
A

two

73
Q
  1. When looking for survivors, it is important to both look and listen for . a. evidence b. clues c. hints
A

clues

74
Q
  1. For a Class C fire (electrical), if power has been off to the burning equipment, it may be treated as a Class A or B fire. a. cut b. shut c. locked
A

cut

75
Q
  1. When survivors are located, their location, , and condition should be reported immediately to the command center. a. identification b. orientation c. identities
A

identities

76
Q
  1. When survivors are , the location, time, and date should be marked on the team’s map and on the rib where they are found. a. found b. located c. rescued
A

found

77
Q
  1. When survivors are found, they should be to safety and fresh air as quickly as possible. a. taken b. moved c. transported
A

transported

78
Q
  1. The main objective of recovery work is to put the affected area of the mine back in as soon as possible. a. compliance b. operation c. production
A

operation

79
Q
  1. All temporary seals should be well hitched in the floor roof, and ribs to their strength. a. improve b. increase c. develop
A

improve

80
Q
  1. Urethane foam is an effective sealant when around the perimeter of a seal. a. installed b. applied c. used
A

used

81
Q
  1. High volatile coal burns much than low or medium volatile coal. a. faster b. hotter c. sooner
A

faster

82
Q
  1. It may be necessary to double or triple the thickness of the in order to improve the effectiveness of the seal. a. sealant b. blocks c. material
A

material

83
Q
  1. Seals should be built at locations with roof and even roof and ribs. a. decent b. flat c. good
A

good

84
Q
  1. Hazards of direct firefighting are electric shock or electrocution, and asphyxiating gases, oxygen deficiency, explosive gases, heat, smoke and steam.a. toxic b. poisonous c. dangerous
A

toxic

85
Q
  1. When fires are sealed in gassy or dusty mines, a thick coating of rock dust 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 coal
A

propagating

86
Q
  1. The main objectives of exploration work during a mine fire are locating the and assessing conditions in the fire area. a. cause b. survivors c. fire
A

fire

87
Q
  1. A self-contained breathing apparatus is a portable unit that supplies oxygen or air independently of the surrounding atmosphere. a. partially b. completely c. fully
A

completely

88
Q
  1. If a team member must return to the fresh air base because of a problem, it is standard among teams for the entire team to go back with that person. No one should ever travel alone. a. practice b. protocol c. procedure
A

practice

89
Q
  1. Thermal Imaging Cameras should only be used in less than of Methane. a. 1 percent b. 1 % c. 2 percent
A

1 percent

90
Q
  1. Once , survivors should never be left alone. a. found b. located c. rescued
A

rescued

91
Q
  1. After a fire has been sealed the practice has been to wait hours before making the initial visit to the seals. a. 24 b. 48 c. 72
A

72

92
Q
  1. When a fire area is not un- sealed until the oxygen content is low enough to make explosions impossible and the carbon monoxide has disappeared. a. sealed b. appropriate c. possible
A

appropriate

93
Q
  1. Firefighters force inert gases into areas they are trying to remove the Oxygen leg of the fire triangle. a. where b. if c. when
A

where

94
Q
  1. air has a specific gravity of one.a. Clean b. Normal c. Dry
A

Normal

95
Q
  1. Sufficient time should be for a fire area to cool before it is unsealed.a. given b. permitted c. allowed
A

allowed

96
Q
  1. A is used to show the direction and velocity of slow moving air.a. smoke tube b. anemometer c. magnehilic gauge
A

smoke tube

97
Q
  1. The lower explosive limit of hydrogen is .a. 4 percent b. 4.0 percent c. 4 %
A

4.0 percent

98
Q
  1. The IDLH of is 20 ppm.a. Nitrogen Dioxide b. Nitrogen c. Hydrogen
A

Nitrogen dioxide

99
Q
  1. , dry air at sea level is made up of 78 percent nitrogen and 21 percent oxygen.a. Normal b. Clean c. Fresh
A

Clean

100
Q
  1. A team is a made up of individuals working toward a common goal.a. group b. crew c. unit
A

unit

Mine Rescue Statements (4 decks)

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