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Question
57.Which press is part revolution?
Answer
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b. 10 foot-candles
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10. Name at least four physical conditions that should disqualify an employee from serving in a fire brigade.
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a. They might not hear the fire alarm.
b. Excessive heat might worsen their condition.
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68. Explain the principle of "closed circuit" operation of SCBA units.
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65. Describe the situation that is known to frequently result in a series of multiple fatalities, i.e., victim, then rescuer, then rescuer of the rescuer, etc. What standard (general name only) does OSHA cite in these situations(a) prior to 1993 and (b) after 1993?
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57. Discuss in general the characteristics of confined spaces that make them hazardous.
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20. The U.S. annual fire death rate is approximately:a. one per millionb. ten per millionc. fifty per milliond. one hundred per million
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19. The U.S. annual fire death rate is approximately:
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a. pressure demand
b. sulfur dioxide reactor unit
c. chemical oxygen generating unit
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51. Which of the following modes of air line respirator is most dependent upon fit for its effectiveness?
a. continuous demand
b. demand flow
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47. The air line respirator derives its name froma. its use by the airlines in emergency losses of cabin pressureb. its ability to purify air in the air linec. its ability to supply atmosphere through an air lined. the fact that not only inhaled air but also exhaled air is transported through an air line
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21. Dust masks are not approved for particulates.a. trueb. false
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6. What alternative is permitted to qualify an air-purifying device to be approved for a toxic substance that has no warning properties?
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FLASH POINT: -40OF
BOILING POINT: 36.1OC
LEL: 1.5%
UEL: 7.8%
VAPOR DENSITY: 2.48
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FLASH POINT: -40OF
BOILING POINT: 36.1OC
LEL: 1.5%
UEL: 7.8%
VAPOR DENSITY: 2.48
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75 If the temperature of a liquid is too low for a fire to be sustained on the top of the liquid, then you know thata. the temperature is below the flash point but above the firepointb. the temperature is below the firepoint but above the flash pointc. the temperature is below both the flash point and the firepointd. the temperature is below the firepointe. b and d abovef. none of the above