航海英语消防用语章节练习(2019.04.24)

单项选择题
The collision bulkhead shall be of（）.
A.water-tight
B.air-tight
C.fire-tight
D.oil-tight
单项选择题
On a ship，watertight doors should be operated（）.
A.during abandon drill
B.during fire drill
C.weekly
D.when the rig is being moved
单项选择题
Regular foam can be used on all but which flammable liquid?（）
A.Motor gasoline
B.Jet fuel
C.Crude petroleum
D.Alcohol
单项选择题
The discharge from a carbon dioxide fire extinguisher should be directed（）.
A.at the base of the flames
B.at the center of the flames
C.to the lee side of the flames
D.over the tops of the flames
单项选择题
After using a Halon extinguisher，it should be（）.
A.put back in service if more than 50% of the charge remains
B.repainted
C.discarded
D.recharged
单项选择题
If you are fighting a fire below the main deck of your vessel，which action is most important concerning the stability of the vessel?（）.
A.Shutting off electricity to damaged cables
B.Pumping fire-fighting water overboard
C.Maneuvering the vessel so the fire is on the lee side
D.Removing burned debris from the cargo hold
单项选择题
Lifesaving regulations require that a fire drill include（）.
A.starting the fire pumps
B.checking the operation of watertight doors
C.checking arrangements for abandon ship
D.All of the above
单项选择题
One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that（）.
A.it can break down under high heat and emit noxious fumes
B.it will decompose under prolonged storage and lose its effectiveness
C.fire has been known to flash back over the surface of an oil fire
D.it is ineffective in fighting fires in high-voltage electrical equipment
单项选择题
The bilge pump on a fishing vessel（）.
A.must be fixed if the vessel exceeds 12 meters in length
B.may be used as a fire pump
C.must be portable if there are more than 4 watertight compartments
D.must be capable of pumping at least 450 gpm
单项选择题
It is necessary to secure the forced ventilation to a compartment where there is a fire to（）.
A.allow the exhaust fans to remove smoke
B.extinguish the fire by carbon monoxide smothering
C.prevent additional oxygen from reaching the fire
D.protect fire fighting personnel from smoke