A.Cast iron
B.Cast steel
C.Forged steel
D.Aluminum
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A.At the top
B.At the bottom
C.In the top
D.In the bottom
A.Misalignment
B.Length
C.Strength
D.Stresses
A.Hot bearing
B.Starting valves
C.Unequal distribution of load
D.Excessive crankshaft clearance
A.The fuel oil
B.The lube oil
C.The sea water
D.The fresh water
A.Gas exchange
B.Charging
C.Scavenging
D.Supercharging
最新試題
The main purpose of the piston oil scraper rings is to （）.
The function of diesel engine piston compression rings is to （）.
In a simple mechanical governor, the （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Proper filtering and straining of fuel oil is important because the （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
Combustion knock occurring in a diesel engine can be caused by （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.