單項(xiàng)選擇題

A large two-stroke/cycle direct reversing diesel engine is to be reversedPrior to the admission of starting air you must （）

A.line up the engine fore restarting with light diesel oil
B.reposition the fuel injection cam
C.change the intake and exhaust valve cam positions
D.place the starting cam in the intermediate position

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單項(xiàng)選擇題

Which of the listed conditions can cause lacquer to be deposited on a piston skirt?（）

A.High sulphur content fuel
B.High lube oil temperatures
C.High vanadium content fuel
D.Excessive piston slap

單項(xiàng)選擇題

Reducing the clearance between a valve stem and rocker arm will result in the valve （）

A.having a shorter duration of opening
B.having a longer duration of opening
C.closing sooner
D.opening later

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A large two-stroke/cycle direct reversing diesel engine is to be reversedPrior to the admission of starting air you must （）

你可能感興趣的試題

Which of the listed conditions can cause lacquer to be deposited on a piston skirt?（）

Reducing the clearance between a valve stem and rocker arm will result in the valve （）