A.soda solution
B.mechanical impurities
C.ballast
D.water and residuals
您可能感興趣的試卷
你可能感興趣的試題
A.cooled to appropriate temperature
B.warmed up gradually to appropriate temperature
C.opened up and renewed
D.ground and polished
A.a brief trial with turning gear
B.a brief trial on power
C.a long trial by steering gear
D.one minutes trial with windlass
A.hull
B.projection
C.graphitization
D.foundation
A.the column
B.the jacket
C.cylinder cover
D.cylinder liner
A.less clearance
B.dirty lube oil
C.overload
D.bearing wear
最新試題
A thrust bearing is used with a propulsion diesel engine to （）.
In using reduction gears to obtain efficient propeller speeds, （）.
The main purpose of the piston oil scraper rings is to （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Lube oil cannot be efficiently filtered if its （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.