For the proper control of the air temperature in an air cond

题目
单选题
For the proper control of the air temperature in an air conditioning system using chilled water circulation, which of the listed conditions should remain constant regardless of load changes?()
A

Chilled water system supply temperature

B

Chilled water system return temperature

C

Compressor discharge temperature

D

Compressor suction pressure

参考答案和解析
正确答案: D
解析: 暂无解析
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相似问题和答案

第1题:

Sweat damage will occur in a cargo hold containing machinery parts when ______.

A.the outside air is colder than the cargo.

B.the air temperature of the hold is higher than the outside air temperature.

C.the dew point of the hold is higher than the temperature of the cargo.

D.the dew point of the outside air is lower than the temperature of the cargo


正确答案:C

第2题:

Sweat damage in a hatch full of canned goods in cartons will occur when the ______.

A.Air temperature is higher than the temperature of the cargo

B.Air temperature is lower than the temperature of the cargo

C.Dew point is higher than the temperature of the cargo

D.Dew point is lower than the temperature of the cargo


正确答案:C

第3题:

Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?

A.Cooling the air to a temperature just above dew point

B.Heating the air to a point at which moisture will boil off ,then re-cooling it

C.Cooling the air to a point below dew point, then reheating it

D.Heating the air and then cooling it to a point below dew point


正确答案:C

第4题:

单选题
A re-heater in an air conditioning system functions to ().
A

control inlet air temperature

B

control inlet air volume

C

maintain relative humidity at 15%

D

restore conditioned air temperature to a comfortable level


正确答案: B
解析: 暂无解析

第5题:

单选题
The dew point temperature is().
A

always higher than the air temperature

B

always lower than the air temperature

C

equal to the difference between the wet and dry bulb temperatures

D

the temperature at which the air is saturated with water vapor


正确答案: D
解析: 暂无解析

第6题:

The dew point is reached when the ______.

A.temperature of the air equals the temperature of the seawater

B.atmospheric pressure is 14.7 lbs. per square inch

C.relative humidity reaches 50%

D.air becomes saturated with water vapor


正确答案:D

第7题:

单选题
Poor combustion in a diesel engine can be caused by ().
A

high compression pressure

B

low intake air temperature

C

low exhaust pressure

D

high scavenge air temperature


正确答案: D
解析: 暂无解析

第8题:

Temperature and moisture characteristics are modified in a warm or cold air mass due to ______.

A.pressure changes in the air mass

B.movement of the air mass

C.the heterogeneous nature of the air mass

D.upper level atmospheric changes


正确答案:B

第9题:

单选题
Temperature and moisture characteristics are modified in a warm or cold air mass due to ().
A

pressure changes in the air mass

B

movement of the air mass

C

the heterogeneous nature of the air mass

D

upper level atmospheric changes


正确答案: B
解析: 暂无解析

第10题:

单选题
A re-heater, as used in an air conditioning system, is designed to control the ()
A

chilled water temperature

B

dew point temperature

C

primary air temperature

D

dry bulb temperature


正确答案: D
解析: 暂无解析

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