A.valve loop
B.valve uniflow
C.valve overlap
D.valve grinding
您可能感興趣的試卷
你可能感興趣的試題
A.the inlet valve is open
B.the exhaust valve is open
C.both valves are close
D.both valves are open
A.less than
B.greater than
C.equal to
D.twice larger than
A.less than
B.greater than
C.equal to
D.twice larger than
A.a working cycle
B.the operation
C.two fuel injections
D.events
A.turning cycle
B.working cycle
C.working hour
D.working stroke
最新試題
Lube oil cannot be efficiently filtered if its （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
The function of diesel engine piston compression rings is to （）.
What is the function of the thrust bearing?（）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
In using reduction gears to obtain efficient propeller speeds, （）.
To determine if the lube oil filter elements need changing, （）.
In a simple mechanical governor, the （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.