單項選擇題

The double bottom in a vessel is a space comprised of （）

A.plating forming the engine room tank top
B.doubler plating installed over the flat keel plate
C.a watertight boundary formed by the inner bottom
D.compartments between the inner and outer bottoms

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單項選擇題

The lowest temperature at which fuel combustion becomes self-sustaining in the presence of a source of ignition, is defined as the （）

A.auto-ignition point
B.flash point
C.burning temperature
D.fire point

單項選擇題

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）

A.double bottom fuel oil tank temperature
B.heater supply steam flow
C.pressure of the fuel supplied to the burners
D.attemperator steam flow in the heater discharge circuit

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The double bottom in a vessel is a space comprised of （）

你可能感興趣的試題

The lowest temperature at which fuel combustion becomes self-sustaining in the presence of a source of ignition, is defined as the （）

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）

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