單項(xiàng)選擇題When you notice oil on the water near your vessel while taking on fuel, you should FIRST （）.

A.stop loading
B.notify the senior deck officer
C.notify the terminal superintendent
D.determine whether your vessel is the source


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1.單項(xiàng)選擇題Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an（）.

A.Orsat apparatus
B.flame safety lamp
C.Halide torch
D.combustible gas indicator

2.單項(xiàng)選擇題While loading bulk oil, you notice oil on the water near the bargeWhich of the following actions should you carry out FIRST?（）

A.Search the vessel for leaks
B.Notify terminal superintendent
C.Stop loading
D.Notify the Coast Guard

3.單項(xiàng)選擇題Your vessel is taking on fuel oil when a small leak develops in the hose and you have ordered the pumping stoppedBefore resuming pumping，you should（）.

A.notify the terminal superintendent
B.place a large drip pan under the leak and ping the scuppers
C.repair the hose with a patch
D.replace the hose

4.單項(xiàng)選擇題A combustible gas indicator is used to determine （）.

A.if there is sufficient oxygen to support life
B.the toxicity of flammable gases or vapors
C.the amount of CO2 present in flue gas
D.the presence of flammable gases or vapors in the air

5.單項(xiàng)選擇題A fire in a pile of linen is considered to be a class （）.

A.A fire
B.B fire
C.C fire
D.D fire