單項選擇題

On most diesel engines, the governor controls the output speed by （）.

A.controlling the amount of fuel injected into the cylinders
B.varying the speed of the turbocharger
C.adjusting the compression ratio
D.changing the timing of the fuel injection camshaft

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單項選擇題

Which of the following devices is common to both mechanical and hydraulic governors?（）

A.Direct linkage between the ball-head and fuel rack
B.A servomotor
C.A compensating device
D.Flyweights

單項選擇題

Which term describes piston pins having bearing surfaces in both the piston bosses and connecting rod eye?（）

A.Stationary
B.Full floating
C.Semi-floating
D.Free rolling

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On most diesel engines, the governor controls the output speed by （）.

你可能感興趣的試題

Which of the following devices is common to both mechanical and hydraulic governors?（）

Which term describes piston pins having bearing surfaces in both the piston bosses and connecting rod eye?（）