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
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A.can fit any size hose
B.converts a stream of water into a fog
C.increases the amount of water reaching the fire
D.can spray two streams of water at the same time
A.a vessel is equipped with an automatic smoke or fire detecting system
B.the cargo hatches are of steel construction
C.the cargo is of a nonflammable type
D.there is sufficient fire protection located on the main deck adjacent to the cargo hatch
A.To replace a damaged life preserver
B.For use during fire drills
C.For use during boat drills
D.At no time
A.during abandon drill
B.during fire drill
C.weekly
D.when the rig is being moved
A.week
B.month
C.crew change
D.other week
最新試題
How long must the records of tests and inspections of fire fighting equipment on board a ship be retained on board?（）
The discharge side of every fire pump must be equipped with a（）.
Removing which will extinguish a fire?（）.
Portable foam type fire extinguishers are most effective on（）.
Prior to getting underway，the Master or person in charge of a ship must（）.
Once a vessel has loaded packaged hazardous cargo，the cargo spaces shall be inspected. The spaces shall also be inspected at least once in every 24 hours. The only exception to daily inspection is when（）.
Since the fire is increasing on board the vessel，the Captain orders that the ship be（）.
The canvas covering of fire hose is called the（）.
Operation of the valve control release on a fixed CO2 system must immediately（）.
Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.