單項選擇題

Which space(s) on your cargo vessel must have a fire detection system?（）

A.Any compartment containing explosives
B.Any compartment adjacent to one containing explosives
C.Enclosed spaces which are specially suitable for vehicles
D.All of the above

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單項選擇題

Which precaution should be taken when testing a line throwing gun?（）

A.Never remove the line from the rocket
B.Fire it at an angle of approximately 90 degrees to the horizon
C.Wear asbestos gloves
D.All of the above

單項選擇題

Which portable fire extinguisher should be used on a class C fire on board a vessel?（）

A.Carbon dioxide
B.Water (stored pressure)
C.Foam
D.Carbon tetrachloride