A.to be kept
B.logged
C.changed
D.has remained
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A.spilled
B.overflowed
C.sprayed
D.injected
A.acids
B.additives
C.heat
D.gear
A.invade
B.provide
C.detergent
D.neutralize
A.a strain tank
B.a head tank
C.a service tank
D.a strainer
A.tape face
B.tapered face
C.surface
D.thinner face
最新試題
Lube oil cannot be efficiently filtered if its （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
What is the function of the thrust bearing?（）
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
To determine if the lube oil filter elements need changing, （）.