A.suction pressure regulator
B.thermostatic bypass valve
C.sea water temperature
D.water level in the expansion tank
您可能感興趣的試卷
你可能感興趣的試題
A.operated manually once an hour
B.operated until the engine has started
C.placed into operation only at maximum load
D.adjustable to meet lubrication requirements
A.remove suspended and precipitated solids from the boiler water
B.completely drain the boiler in an emergency situation
C.prevent hardened scale deposits in the water drum
D.remove floating impurities from the oily water surface
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
The minimum speed an engine must attain before ignition can occur depends upon （）.
White smoke exhausting from an operating diesel engine may indicate （）.
The main purpose of the piston oil scraper rings is to （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.