A.ff overheat is found, the engine must be stopped for inspection
B.Much heat of the crankcase door indicates that the bearing is overheated
C.If bearing clearance is too large, knocking will be heard in the crankcase
D.If bearing clearance is too large or too small, the white metal may be melted
您可能感興趣的試卷
你可能感興趣的試題
A.Because the piston is exposed to very high temperature, it must be cooled
B.The lower the piston cooling temperature is, the better it is
C.Both water and lube oil can be used as coolant
D.One of the piston cooling methods is vibration cooling, with better effect
A.crankshaft
B.piston
C.connecting rod
D.bearing
A.steam engine
B.steam turbine
C.gas turbine
D.diesel engine
A.100 rpm
B.200 rpm
C.300 rpm
D.500 rpm
A.read/sufficient
B.consult/sufficiently
C.read/sufficiently
D.consult/sufficient
最新試題
In using reduction gears to obtain efficient propeller speeds, （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
White smoke exhausting from an operating diesel engine may indicate （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The main purpose of the piston oil scraper rings is to （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
A thrust bearing is used with a propulsion diesel engine to （）.