The expansion tank in a diesel engine closed freshwater cooling system is located at _____.

The working cycle of a four－stroke diesel engine consists of four events: （1) compression; （2) expansion; （3) exhaust; （4) suctionThe correct sequence is _____.

The system will include various _____ such as low tank level alarms and remote operation of tank outlet valves in the events of a fire.

Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would （).

During the diesel engine running, the water level of F.W expansion tank should normally ke

听力原文：（A) The worker is going up the stairs. （B) The gas tank in the car is full. （C) T

When checking the liquid level in a tank, you should position yourself _____.A.on the wind