單項選擇題

Temperature control valves installed in the jacket cooling water system of a diesel engine modulates the rate of water flow through the （）.

A.cooling water pump
B.nozzle cooling passages
C.cylinder jackets
D.heat exchanger

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單項選擇題

Cylinder lubrication oil for low speed main propulsion diesel engines is admitted to each cylinder during （）.

A.the power stroke
B.the compression stroke
C.low load operation only
D.periods of standby

單項選擇題

The speed of the camshaft in a two-stroke/cycle diesel engine, running at 950 RPM, is （）.

A.475 RPM
B.950 RPM
C.1900 RPM
D.2400 RPM