A.is always less than 100%
B.is always more than 100%
C.is always equal to 90%
D.is always less than 90%
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A.principle
B.principal
C.cause
D.case
A.two-stroke
B.four-stoke
C.long-stroke
D.short-stroke
A.bedplate, connecting rods
B.crankshaft, the connecting rods
C.frames, crossheads
D.crankshaft, the cylinder
A.the information
B.the formation
C.the scatter
D.the friction
A.the cylinder weight
B.the cylinder bore
C.the cylinder length
D.the cylinder cover
最新試題
An automated diesel engine should normally shut down due to （）
Proper filtering and straining of fuel oil is important because the （）.
In a simple mechanical governor, the （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
A thrust bearing is used with a propulsion diesel engine to （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Combustion knock occurring in a diesel engine can be caused by （）.
What is the function of the thrust bearing?（）
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.