A、A.of the diaphragm type
B、B.of the centrifugal type
C、C.of the positive displacement type
D、D.independently driven by electric motors
更多“Lube oil pumps taking suction from the sump of most small marine engines are usually （）.”相关的问题
A、camshaft seizure B、lube oil pump failure C、lube oil cooler failure D、lube oil pump overflow
A、lube oil pump suction line B、lube oil pump discharge line C、bottom of the lube oil sump D、outlet from the lube oil header
A、a clogged filter element B、excessive lube oil pump discharge pressure C、excessive lube oil flow D、excessively hot lube oil
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、Fire pump and lube oil pump B、Lube oil pump and distilling plant C、Distilling plant and shaft alley door D、Shaft alley door and fixed CO2 release
A、open the bypass line B、cut in the lube oil cooler C、pressurize the lube oil system D、top off the expansion tank
A、open the filter and inspect the elements B、check the lube oil pump discharge pressure C、check the lube oil header pressure D、check the pressure drop across the filter
A、a dirty lube oil strainer B、internal water leaks C、an oil suction line restriction D、excessive wears of the cooling water pump
A、Low lube oil temperature B、Dirty lube oil strainer C、Low lube oil pressure D、High lube oil temperature
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