A.to protect
B.to guard
C.to maximize
D.to minimize
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A.will be speeded up
B.should be slowed down
C.must slow down
D.have to be slow down
A.the trunking should be opened up
B.should the trunking be opened up
C.the trunking should not be opened up
D.should the trunking not be opened up
A.cooling jacket
B.cylinder liner
C.piston crown
D.cylinder cover
A.the camshaft
B.the flange
C.the ridge
D.the bulge
A.charge air receiver
B.scavenging air belt
C.turbine
D.air cooler
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The main purpose of the piston oil scraper rings is to （）.
To determine if the lube oil filter elements need changing, （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Combustion knock occurring in a diesel engine can be caused by （）.
An automated diesel engine should normally shut down due to （）
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?（）
Lube oil cannot be efficiently filtered if its （）.
A diesel engine piston ring face is in direct contact with the （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.