A.10
B.15
C.20
D.30
您可能感興趣的試卷
你可能感興趣的試題
A.the engine stops
B.the engine is running
C.you repair the engine
D.overhauling the engine
A.if
B.as
C.unless
D.when
A.one another
B.the other
C.each other
D.each others
A.lubrication
B.cooling
C.balancing purpose
D.ventilation
A.can be recovered
B.is only supplied to cylinders
C.only feeds the main bearing
D.is a kind of detergent
最新試題
Maximum horsepower of a diesel engine is attained （）.
Combustion knock occurring in a diesel engine can be caused by （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
In using reduction gears to obtain efficient propeller speeds, （）.
What is the function of the thrust bearing?（）
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
The highest pressure in a diesel engine cylinder normally occurs （）.