A. Water
B. Air
C. Evaporative
D. Gas
Related Mcqs:
- The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is__________________?
A. Less
B. More
C. Same
D. Dependent on climatic conditions - Domestic refrigerator usually works on the _____________ refrigeration cycle?
A. Carnot
B. Air
C. Absorption
D. vapour-ejection - In a working refrigerator, the value of COP is always__________________?
A. 0
B. < 0
C. < 1
D. > 1 - A refrigerator may be termed as a____________________?
A. Heat pump
B. Heat engine
C. Carnot engine
D. None of these - On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will____________________?
A. Increase
B. Decrease
C. Remain same
D. Increase in summer and will decrease in winter - Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?
A. Work required to refrigeration obtained
B. Refrigeration obtained to the work required
C. Lower to higher temperature
D. Higher to lower temperature - Refrigeration capacity of a household refrigerator may be round about _____________ tons?
A. 0.15
B. 1.5
C. 4.5
D. 6.5 - COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about____________________?
A. 0.5
B. 3.5
C. 4.5
D. 8.5 - In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respectively, the Carnot COP will be________________?
A. 5.2
B. 6.2
C. 0.168
D. Data insufficient, can’t be found out - The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is__________________?
A. Less pronounced
B. More pronounced
C. Equal
D. Data insufficient, can’t be predicted
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