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The efficiency of a flash type evaporator can be increased by()

单选题
2022-01-04 16:13
A、lowering brine discharge density
B、decreasing the absolute pressure of each stage
C、increasing the saltwater feed heater temperature
D、increasing the pressure at the spray pipe
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正确答案
B

试题解析

感兴趣题目
The condensers located in various stages of a flash evaporator are cooled by( ).
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The advantages of flash type evaporators, as compared to submerged tube type evaporators, include ().
On which of the following heated surfaces of a flash type evaporator would you be more likely to find soft scale formation?()
Which of the following is not a valid setting for the PROGRAM_TYPE parameter in a program object or the JOB_TYPE parameter in a job object?()
In which of the areas listed would you expect to find the highest salt concentration in a flash evaporator?()
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A seaman may have all or part of his wages deposited by allotment to a bank or savings institution. Which of the following is NOT a requirement for this type of allotment? ()
Under normal operating conditions, the highest temperature and pressure conditions existing in a flash-type evaporator will occur in the ().
When a flash-type evaporator is to be secured for an extended period of time, the entire unit should be drained, cleaned, and ().
When securing a flash-type evaporator for an extended period of time, you should ().
The heated feedwater entering any flash chamber of a flash-type evaporator will()
The efficiency of a flash type evaporator can be increased by()
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()
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Small droplets of water entrained in the flashed vapor produced in a flash-type evaporator, are removed by the ()
The condensers located in various stages of a flash evaporator are cooled by()
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