單項選擇題

Why is it important for fuel oil tanks not to be topped off at the inner bottom level when loading on a cold day?（）

A.Increased viscosity of the product needs higher loading pressure, which increases the chances of a spill
B.Air pockets may cause the fuel to bubble out of the ullage hole
C.The temperature rise of the fuel will cause an overflow
D.Fueling valve may become stuck closed and cause the fuel oil to spill before the valve can be opened

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單項選擇題

In order to release CO₂ to the machinery spaces from a fixed fire extinguishing system, you must（）.

A.actuate an alarm and open the engine room control valve
B.actuate an alarm and open the engine room CO₂releasing valve
C.open the engine room control valve and shut off engine room ventilation fans
D.open the engine room control valve and then the CO₂releasing valve

單項選擇題

To prevent the overflow of cargo tanks due to expansion, you should top off （）.

A.to the bottom of the expansion trunk
B.to within 1% to 3% of its capacity
C.to within 1% to 3% inches of its capacity
D.1 to 3 inches from top of the vent pipe

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Why is it important for fuel oil tanks not to be topped off at the inner bottom level when loading on a cold day?（）

你可能感興趣的試題

In order to release CO2 to the machinery spaces from a fixed fire extinguishing system, you must（）.

To prevent the overflow of cargo tanks due to expansion, you should top off （）.

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In order to release CO₂ to the machinery spaces from a fixed fire extinguishing system, you must（）.