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
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
In using reduction gears to obtain efficient propeller speeds, （）.
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 （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Proper filtering and straining of fuel oil is important because the （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）