A.A relief valve
B.An alarm
C.A pressure gauge
D.A non-maim valve
您可能感興趣的試卷
你可能感興趣的試題
A.A top tank
B.A head tank
C.A head valve
D.A drain tank
A.Piston
B.Sounding
C.Regulating
D.Connecting
A.A piston
B.A fuel injection pump
C.A feed water pump
D.A lube oil pump
A.The higher；the more
B.Higher；more
C.Higher；little
D.The higher；the less
A.At the beginning of the compression stroke
B.At the beginning of the suction stroke
C.At the end of the working stroke
D.At the end of the exhaust stroke
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 （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
To determine if the lube oil filter elements need changing, （）.
Lube oil cannot be efficiently filtered if its （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Routine monitoring of a diesel engine should include （）.
Maximum horsepower of a diesel engine is attained （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
An automated diesel engine should normally shut down due to （）