The design of for a flash type evaporator is of critical importance because it must provide an optimum feedwater spray pattern that facilitates the flashing process, and it must also maintain a pressure differential between successive stages（）
1、In the operation of a flash type evapo
In the operation of a flash type evaporator equipped with air ejectors,the air and non- condensable gases are evacuated directly from the （）....
2、In a flash type evaporator, the brine
In a flash type evaporator, the brine overboard pump is vented directly to the（）Asaltwater heater shellBthe condensation of the saltwater feedCair ejectors, eductors, or a separate vacuum pumpDcondensation of the distillate
3、The type of joint formed when a third
The type of joint formed when a third small plate is riveted over two plates butted together is called a（）.Abutted jointBlap jointCstrap jointDstringer joint
4、The efficiency of a flash type evapora
The efficiency of a flash type evaporator can be increased by（）Alowering brine discharge densityBdecreasing the absolute pressure of each stageCincreasing the saltwater feed heater temperatureDincreasing the pressure at the spray pipe
5、For a flash type evaporator, the seawa
For a flash type evaporator, the seawater heater will have to maintain a enough temperature to minimize scale formation（）AlowerBhigherClowDhigh
6、The designing of a satellite in the h
The designing of a satellite in the heavenly environment is not absolutely an easy job.Aby all meansBby any meansCby every meansDby no means