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
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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)
A.look for a CO2 extinguisher
B.use a soda acid extinguisher
C.shut off the fuel supply
D.smother the fire with rags
A.heat, gas, and flames
B.fuel, heat, and oxygen
C.heat, nitrogen, and fuel
D.fuel oil, nitrogen, and oxygen
A.6 hours
B.12 hours
C.18 hours
D.24 hours
A.notify the engineer on watch
B.isolate and secure the piping
C.throw sand on the fire
D.extinguish the fire using a combination nozzle with applicator
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Under MARPOL Code the ship to which it applies has to carry （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
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（） is not installed on the main switchboar.
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