GATE ME 2024 Set 1 — Question 47
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Thermodynamics → Laws & Properties → Carnot Cycle & Entropy
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Question
A heat pump (H.P.) is driven by the work output of a heat engine (H.E.) as shown in the figure. The heat engine extracts of heat from the source at . The heat pump absorbs heat from the ambient at and delivers heat to the room which is maintained at . Considering the combined system to be ideal, the total amount of heat delivered to the room together by the heat engine and heat pump is _______ (answer in integer).
Correct answer
1620 to 1620
Solution
1.Heat Engine (HE):
Source temperature , Sink (Room) temperature .Heat input .
Efficiency .
Work output .
Heat rejected to room .
2.Heat Pump (HP):
Ambient temperature , Room temperature .Work input .
Ideal COP of HP = .
Heat delivered to room .
3.Total Heat Delivered to Room:
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