A reversed Carnot engine is used for heating a building. It supplies 2 – McqOptions

MCQOPTIONS

1.	A reversed Carnot engine is used for heating a building. It supplies 210 × 103 kJ/hr of heat to the building at 20°C. The outside air is at –5°C. The heat taken from the outside will be nearly
A.	192 × 103 kJ/hr
B.	188 × 103 kJ/hr
C.	184 × 103 kJ/hr
D.	180 × 103 kJ/hr
Answer» B. 188 × 103 kJ/hr

Discussion

No Comment Found

Related MCQs

In an SI unit, one ton of refrigeration is
In a multi-stage vapour compression refrigeration system, which of the following options is false as compared to single stage compression?
If a refrigeration compressor using a thermostat as a primary controller is running continuously without significantly lowering the temperature in the refrigerated space, which of the following is most likely the trouble?
During chemical dehumidification process of air
In an Electrolux refrigerator, a thermo-siphon bubble pump is used to lift the
During a refrigeration cycle, heat is rejected by the refrigerant in a:
Identify the incorrect statement, from the following options:An air refrigeration cycle ______
In high-speed aircraft flying at high altitudes, why is the cooling of the cabin required even if temperature outside is very low?
Coefficient of performance of a commercially used refrigerator would be close to
An ideal refrigerator maintains a temperature of – 23°C when placed inside a room at 27°C. Heat infiltration into the refrigeration is 0.5 kJ/s. The power required to pump the heat out is: