單項選擇題

Cast iron pistons used in large propulsion diesel engines are constructed with （）

A.not taper what so ever
B.the skirt being tapered and smaller than the crown
C.the skirt being tapered and larger than the crown
D.the crown being tapered and smaller than the skirt

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單項選擇題

The major cause of trouble in a mechanical-hydraulic governor is contamination of the hydraulic fluid by （）

A.dirt
B.fuel oil
C.governor cooling water
D.fuel oil tars

單項選擇題

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）

A.Sensitivity
B.Power
C.Speed droop
D.Compensation

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Cast iron pistons used in large propulsion diesel engines are constructed with （）

你可能感興趣的試題

The major cause of trouble in a mechanical-hydraulic governor is contamination of the hydraulic fluid by （）

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）