A.brought about
B.caused for
C.resulted from
D.led
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A.sliding piston rings
B.engines camshaft
C.small pumps
D.forced feed system
A.excessive heat
B.friction
C.oxidation
D.high pressure
A.is made to circulate out of the system
B.is made to circulate within the system
C.is made circulate within the system
D.is made circulate out of the system
A.Hash point
B.Viscosity
C.Pour point
D.Cetane number
A.viscosity
B.flash point
C.cetane number
D.calorific value
最新試題
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Proper filtering and straining of fuel oil is important because the （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
An automated diesel engine should normally shut down due to （）
The function of diesel engine piston compression rings is to （）.
The main purpose of the piston oil scraper rings is to （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Lube oil cannot be efficiently filtered if its （）.
To determine if the lube oil filter elements need changing, （）.