Oil mist detectors are usually used on board to detect oil mist density within （）.

A、the engine crankcase

B、the engine scavenge boxes

C、drain tanks

D、fuel tanks

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更多“Oil mist detectors are usually used on board to detect oil mist density within （）.”相关的问题

第1题

[] （）continuously extract the crankcase atmosphere, via a pipe system, and move it past a sensitive and accurate opacity measuring track.

A、A.The oil mist detectors B、B.The smoke detectors C、C.An oily water monitor D、D.Oil discharge monitoring and controlling system

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第2题

[] The purpose of an oil mist detector in a main propulsion diesel engine is to warn of （）

A、A.excessive mist density in the crankcases B、B.excessively high crankcase vacuum C、C.excessively high bearing temperature D、D.excessive carbon buildup in the lube oil

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第3题

[单选题] In general, the oil mist detectors include a built-in heating unit and a compact plug for electrical connectionThe function of heating unit is to （）

A、avoid false alarms as a result of condensing water vapor B、avoid danger of frost under very cold weather C、reduce the viscosity of the crankcase atmosphere in order to improve the fluidity D、keep the temperature of the oil mist detectors in an appropriate range

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第4题

[单选题] The oil mist detectors continuously（） the crankcase atmosphere, via a pipe system, and move it past a sensitive and accurate opacity measuring track.

A、detract B、extract C、pump up D、pump down

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第5题

[单选题] Mist detectors used on large low-speed main propulsion diesel engines monitor and check for the presence of （）.

A、fuel oil vapor at the sludge tank vent B、unburned fuel vapors in the scavenge air receiver C、lube oil vapors in the crank case D、lube oil vapors in the engine room

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第6题

[单选题] In general, the oil mist defectors include a base plate with air blast pumpThe function of air blast pump is to （）crankcase.

A、supply clean air to the measuring compartment of the units for more accuracy B、generaate the pressure required for the extraction of the oil mist from the C、generate the pressure required for the extraction of the oil mist from the crankcase D、supply clean air to the measuring track of the units for more accuracy