A.Water is heated into vapor on heating surfaces
B.Water is vaporized by pressure difference
C.There are no heating-transfer surfaces
D.There are more heating-transfer surfaces
您可能感興趣的試卷
你可能感興趣的試題
A.high-pressure steam-driven air-ejector
B.motor-driven vacuum pump
C.water-motivated air eductor
D.centrifuge pump
A.condenser
B.flashing device
C.lashing device
D.vacuum pump
A.lower condensing
B.higher cooling
C.lower cooling
D.higher condensing
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.by opening the separator manually
B.by separating the lower part from the upper part automatically
C.by separating the upper part from the lower part automatically
D.continuously
最新試題
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
If separating effect is not good, which measure should be taken （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The shipboard oil pollution emergency plan will be invalid after （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Cold weather starting of a diesel engine may be made easier by（）
The main purpose of port State control is not to（）