A.release CO2 to the protected space
B.secure all mechanical ventilation in the protected space
C.sound the rig's general alarm signal for a fire
D.sound an alarm in the ballast control room
您可能感興趣的試卷
你可能感興趣的試題
A.cannot be made with salt water
B.is heavier than oil and sinks below its surface
C.is corrosive and a hazard to fire fighters
D.conducts electricity
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
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
最新試題
The discharge side of every fire pump must be equipped with a（）.
Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.
The collision bulkhead shall be of（）.
On a ship，watertight doors should be operated（）.
The canvas covering of fire hose is called the（）.
One advantage of the all-purpose nozzle is that it（）.
Radiation spreads a fire by（）.
The blocking or absence of fire dampers can cause（）.
The brickwork surrounding the firebox of a boiler is known as（）.
On a ship，when may a work vest be substituted for a required life preserver?（）