The oil is drawn from a drain tank through (), one of a pair of pumps, into one of fine filters.
A、a strain tank
B、a head tank
C、a service tank
D、a strainer
A、a strain tank
B、a head tank
C、a service tank
D、a strainer
A、Scavenging time should be more 30 seconds before igniting B、The temperature of sludge tank is 80~100℃ C、First igniting the incinerator with diesel oil, when the temperature of health is about 600℃, the sludge oil drawn in D、The ash can be dumped into sea when the distance is more than 3 miles from land
A、The oil temperature is less than the cooling water temperature B、The oil pressure is less than the cooling water pressure C、The oil pressure is greater than the cooling water pressure D、The oil flow control valve is always installed in the oil input line
A、the oil feeding is stopped and replaced by admitting flushing water B、the flushing water feeding is stopped and replaced by admitting oil C、the feeding of dirty oil and flushing water is stopped D、the feeding of dirty oil and flushing water is admitted
A、the sensor of low oil level is fully covered by sludge B、the coarse strainer before the pump in suction system is clogged C、the screw pump is worn seriously and volumetric efficiency is decreased D、bilge suction value is clogged
A、stern is drawn to the bank as the bow sheers off B、bow sheers toward the bank C、vessel continues in a straight line,but with greatly reduced maneuverability D、vessel will be drawn bodily into the bank unless the engines are stopped
A、a drop of oil B、the emulsion of oil at sea surface C、the weathered oil D、the oil floating on the surface of the sea water