單項選擇題

When an engine is starting and has got a sufficiently high speed, say about 20 rpm,（）

A.the starting air supply is cut off and fuel is injected into the cylinders
B.the fuel feeding is cut off and the turning gear is put in
C.the starting air supply is cut off and turning gear is taken out
D.the electric blower is shut down and fuel is injected into the cylinders

你可能感興趣的試題

單項選擇題

When starting an engine, the compressed air enters the cylinder when the corresponding piston is in position of its（）

A.suction stroke
B.compression stroke
C.power stroke
D.exhaust stroke

單項選擇題

The starting air entering the cylinder begins when the piston（）

A.has nearly come to the TDC
B.has just past the TDC
C.has nearly come to the BDC
D.has just past the BDC

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When an engine is starting and has got a sufficiently high speed, say about 20 rpm,（）

你可能感興趣的試題

When starting an engine, the compressed air enters the cylinder when the corresponding piston is in position of its（）

The starting air entering the cylinder begins when the piston（）