A.the inlet valve is open
B.the exhaust valve is open
C.both valves are closed
D.both valves are open
您可能感興趣的試卷
你可能感興趣的試題
A.is running
B.stops
C.is repaired
D.lacks of oil
A.variable injection timing
B.variable inlet tonnage
C.vertical incoming tonnage
D.vertical inlet tank
A.gas oil
B.marine diesel oil
C.residue oil
D.crude oil
A.respectable
B.respectful
C.respective
D.respectively
A.pulse
B.exhaust
C.fluctuating
D.hunting
最新試題
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Maximum horsepower of a diesel engine is attained （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
In a simple mechanical governor, the （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
In using reduction gears to obtain efficient propeller speeds, （）.
The main purpose of the piston oil scraper rings is to （）.
Diesel engine control can be obtained by the bridge （）.
The function of diesel engine piston compression rings is to （）.