A.one another
B.the other
C.each other
D.each others
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A.lubrication
B.cooling
C.balancing purpose
D.ventilation
A.can be recovered
B.is only supplied to cylinders
C.only feeds the main bearing
D.is a kind of detergent
A.pressure gauges
B.stretch gauges
C.thermometers
D.bridge gauges
A.should be gradually increased
B.should be gradually reduced
C.should be constantly kept
D.should be varied up and down
A.dividing walls
B.divided walls
C.dividing liners
D.divided jackets
最新試題
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
To determine if the lube oil filter elements need changing, （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
The minimum speed an engine must attain before ignition can occur depends upon （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.