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.Management Sciences
A. it permits higher speeds to be used
B. it permits complete evaporation in the evaporator
C. it results in high volumetirc and mechanical efficiency
D. all of the above
E. none of the above
Related Mcqs:
- The relative coefficient of performance is_____________________?
- A. actual COP/fheoretical COP B. theoretical COP/actual COP C. actual COP x theoretical COP D. 1-actual COP x theoretical COP E. 1-actual COP/fheoretical COP....
- Presence of moisture in a refrigerant affects the working of___________________?
- A. compressor B. condenser C. evaparator D. expansion valve E. heat transfer...
- The vapor pressure of refrigerant should be_________________?
- A. lower than atmospheric pressure B. higher than atmospheric pressure C. equal to atmospheric pressure D. could be anything E. none of the above...
- Choose the wrong statement ?
- A. Temperature of medium being cooled must be below that of the evaporator B. Refrigerant leaves the condenser as liquid C. All solar thermally operated absorption systems are capable only of intermittent operation D. frost on evaporator reduces heat transfer E. refrigerant is circulated in a refrigeration system to transfer heat...
- Highest temperature encountered in refrigeration cycle should be________________?
- A. near critical temperature of refrigerant B. above critical temperature C. at critica. temperature D. much below critical temperature E. could be anywhere...
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