單項選擇題

The function of the piston compression rings used in a diesel engine is to （）

A.seal the space between the piston and liner
B.transmit heat from the piston to the cylinder liner
C.reduce the amount of combustion gas blow-by
D.all of the above

你可能感興趣的試題

單項選擇題

What determines the number of events occurring in a cycle of operation in an internal combustion engine?（）

A.Crankshaft revolution
B.Type of engine (diesel or gasoline)
C.Distance a piston travels during a stroke
D.Number of pistons

單項選擇題

Which of the factors listed has the greatest effect on the mechanical efficiency of a diesel engine?（）

A.temperature of the intake air
B.friction within the engine
C.mechanical condition of the supercharger
D.mechanical condition of the turbocharger