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

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


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1.單項(xiàng)選擇題What is the MOST important consideration when determining how to fight an electrical fire?（）

A.Whether the fire is in machinery or passenger spaces
B.Danger of shock to personnel
C.The amount of toxic fumes created by the extinguisher
D.Maintaining electrical power

2.單項(xiàng)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

3.單項(xiàng)選擇題To prevent the spread of fire by conduction you should（）.

A.cool the bulkheads around the fire
B.remove combustibles from direct exposure
C.close all openings to the area
D.shut off all electric power

4.單項(xiàng)選擇題What does the term head mean when applied to a fire pump?（）

A.Length of the discharge pipe
B.Height of the discharge pipe
C.Difference between the discharge and suction pressures
D.Sum of discharge and suction pressures

5.單項(xiàng)選擇題What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）

A.Effective even if ventilation is not shut down
B.Will not deteriorate in storage
C.Non-corrosive
D.Effective on electrical equipment

6.單項(xiàng)選擇題There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.

A.the lack of cooling effect on heated materials
B.that it cannot be used in a dead ship situation with no electrical power to the CO2 pump
C.that it breaks down under extreme heat to form poisonous gases
D.there is no effect on a class A fire even in an enclosed space

7.單項(xiàng)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(xiàng)選擇題There is a fire in the crew’s quarters of your vessel. You should（）.

A.ventilate the quarters as much as possible
B.prepare to abandon ship
C.close all ventilation to the quarters if possible
D.attempt to put the fire out yourself before sounding the alarm

9.單項(xiàng)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

10.單項(xiàng)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