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
更多“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 （）”相关的问题
A、control the back pressure of return oil B、lock the oil lines under some conditions C、change the direction of oil flow D、act as relief valve
A、pre-injection fuel oil treatment B、lube oil filtration C、lube oil purification D、piston cooling
A、the most common method used in the United States B、too expensive for common use C、generally safe to sea life D、generally harmful to sea life
A、the oil content in water B、the water content in fuel oil C、the water level in bilge well D、the oil level in bilge well
A、the oil content in water B、the water content in fuel oil C、the water level in bilge well D、the oil level in bilge well
A、the oil content in water B、the water content in fuel oil C、the water level in bilge well D、the oil level in bilge well
A、absorb the oil for easy removal B、remove the oil from the water C、disperse or dissolve the oil in the water D、not affect the oil
A、refrigerant bubbles in the lube oil B、refrigerant reducing the lube oil viscosity C、oxidation of the lube oil from overheating D、reducing the floc or cloud point of the oil
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