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單項(xiàng)選擇題

Which of the listed pre-start procedures should be carried out prior to starting a crosshead type diesel engine after an overhaul?（）

A.Pre-lube cylinders with hand cranks
B.Open all air space drain cocks
C.Open all indicator valves
D.All of the above

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單項(xiàng)選擇題

Late fuel injection in a diesel engine is indicated by low firing pressure with （）

A.low exhaust temperature
B.low exhaust pressure
C.mechanical knock in each cylinder
D.black or gray exhaust smoke

單項(xiàng)選擇題

The bore of a diesel engine cylinder describes the （）

A.swept volume of the cylinder
B.inside diameter of the cylinder
C.piston displacement in the cylinder
D.length of the piston stroke

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