單項(xiàng)選擇題The volatility of a liquid is the tendency of a liquid to ().

A.ignite
B.explode
C.asphyxiate
D.vaporize


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1.單項(xiàng)選擇題An oxygen indicator will detect ().

A.the amount of oxygen in a space
B.the presence of harmful amounts of carbon monoxide
C.concentrations of explosive gas
D.All of the above

2.單項(xiàng)選擇題When making entries in the Oil Record Book, all quantifies should be().

A.recorded as cubic meters with a conversion to barrels
B.verified by the Chief Engineer
C.recorded directly from the oil discharge monitor
D.consistently recorded through the Oil Record Book in one specified unit (gallons, barrels, cubic meters)

3.單項(xiàng)選擇題When fighting a spreading fire resulting from a broken fuel line, you should FIRST ().

A.look for a CO2 extinguisher
B.use a soda acid extinguisher
C.shut off the fuel supply
D.smother the fire with rags

4.單項(xiàng)選擇題The three basic elements necessary for any fire are ().

A.heat, gas, and flames
B.fuel, heat, and oxygen
C.heat, nitrogen, and fuel
D.fuel oil, nitrogen, and oxygen

5.單項(xiàng)選擇題Engines for lifeboats are required to have sufficient fuel to operate for how many hours?()

A.6 hours
B.12 hours
C.18 hours
D.24 hours