單項選擇題Is extra power available()emergency while maneuvering?

A.for
B.in
C.during
D.to


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題There is a fire aft aboard your vessel. To help fight the fire,you should().

A.put the wind off either beam
B.head the bow into the wind and decrease speed
C.put the stern into the wind and increase speed
D.put the stern into the wind and decrease speed

3.單項選擇題What are the most important reasons for using water fog to fight fires?()

A.Smothers burning surfaces,organically destroys fuel
B.Cools fire and adjacent surfaces,provides protective barrier
C.Reaches areas not protected by steam or CO2 smothering systems
D.Allows fire to be attacked from leeward,saturates liquid surfaces

4.單項選擇題The type of extinguisher which should be used for an electricity fire is().

A.foam or soda acid
B.dry chemical or foam
C.carbon dioxide or dry chemical
D.carbon dioxide or foam

5.單項選擇題What is the most vulnerable part of the fire main system on board an offshore rig?()

A.The fire pump
B.Exposed hard piping
C.The hydrant valve
D.The fire hose

6.單項選擇題The success of an indirect attack on a fire depends on the().

A.size of the fire when initially observed
B.complete containment of the fire
C.cooling ability of the firefighting agent
D.class of the fire

7.單項選擇題To determine if a CO2 fire extinguisher is fully charged,you would().

A.Operate the trigger valve
B.Weigh the extinguisher
C.Test with a pressure gauge
D.Read the date of last test

8.單項選擇題What is meant by the term overhaul in firefighting?()

A.Slow down the spread of fire by cooling adjacent structures
B.Cover the fire with foam
C.Smother the fire with a blanket or similar object
D.Break up solid objects to ensure that any deep seated fires are extinguished

9.單項選擇題What is NOT listed on the metallic name plate required to be attached to hand portable fire extinguishers?()

A.The rated capacity in gallons,quarts,or pounds
B.The hydrostatic test date of the cylinder
C.The name of the item
D.An identifying mark of the actual manufacturer

10.單項選擇題The spread of fire is prevented by().

A.cooling surfaces adjacent to the fire
B.leaving combustibles in the endangered area
C.increasing the oxygen supply
D.All of the above