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單項(xiàng)選擇題

An increase in load on a diesel engine results in （） of speed of the crankshaft.

A.a reduction
B.an increase
C.an outing
D.a downwards

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單項(xiàng)選擇題

An electrically driven automatically operating auxiliary blower is provided for slow speed and （） of a low speed diesel engine.

A.manoeuvring operations
B.bad combustion
C.cooling
D.mooring trial

單項(xiàng)選擇題

An aluminum piston has lower inertia and higher coefficient of （） compared to that of cast iron.

A.viscosity
B.twisting moments
C.inertia
D.thermal expansion

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