單項選擇題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

2.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

3.單項選擇題The sprinkler system of a survival craft is used to().

A.cool the craft in a fire
B.cool the engine
C.spray oil on the sea to calm it
D.spray personnel during a fire

4.單項選擇題To lubricate the swivel or remove corrosion from a fire hose coupling,you should use().

A.glycerine
B.graphite
C.kerosene
D.fresh water and soap

5.單項選擇題To remedy a leaking fire hose connection at the hydrant,secure the valve and().

A.replace the gasket in the male coupling
B.reduce fire pump pressure
C.replace the gasket in the female coupling
D.rethread the male coupling

6.單項選擇題What is an advantage of using foam in fire fighting?()

A.It is effective in controlling fire in flowing oil such as coming from a broken fuel line
B.It absorbs heat from materials that could cause reignition
C.Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishment
D.Once the surface is blanketed with foam and the fire is extinguished,no further foam is required

7.單項選擇題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

8.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

9.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

10.單項選擇題Triethylene glycol fires may be extinguished by().

A.dry chemical
B.alcohol foam
C.carbon dioxide
D.All of the above