單項選擇題

If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will （）

A.have a larger than normal dead band
B.produce excessive speed response to a load change
C.respond slowly to any change in engine load
D.stabilize engine speed at the new governor setting

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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

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