A.is always less than 100%
B.is always more than 100%
C.is always equal to 90%
D.is always less than 90%
您可能感興趣的試卷
你可能感興趣的試題
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
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The main purpose of the piston oil scraper rings is to （）.
Routine monitoring of a diesel engine should include （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
An automated diesel engine should normally shut down due to （）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Diesel engine control can be obtained by the bridge （）.
Combustion knock occurring in a diesel engine can be caused by （）.