A.allow filtration of less viscous oil
B.decrease the pressure drop across the filter
C.improve overall filtration
D.all of the above
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A.line shaft bearings
B.connecting rod beatings
C.main bearings
D.support bearings
A.fuel pump failure
B.fan motor failure
C.increased feedwater consumption
D.decreased boiler efficiency
A.jacket water outlet
B.expansion tank inlet
C.heat exchanger inlet
D.cooling water pump outlet
A.the filter to operate more efficiently
B.the lube oil cooler to be bypassed
C.positive lube oil pump suction to be assured
D.galvanic action in the cooler to be minimized
A.Bed plate
B.Column
C.Entablature
D.Tie rod
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What is the function of the thrust bearing?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
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 （）.
The main purpose of the piston oil scraper rings is to （）.
In using reduction gears to obtain efficient propeller speeds, （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
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 （）.