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12 Nov 2019
A Carnot engine works between two heat reservoirs at temperaturesTh = 400 K and Tc = 250 K.
(a) What is its efficiency?
_________%
(b) If it absorbs 75 J from the hot reservoir during each cycle,how much work does it do?
_________J
(c) How much heat does it give off during each cycle?
_________J
(d) What is the COP of this engine when it works as a refrigeratorbetween the same two reservoirs?
A Carnot engine works between two heat reservoirs at temperaturesTh = 400 K and Tc = 250 K.
(a) What is its efficiency?
_________%
(b) If it absorbs 75 J from the hot reservoir during each cycle,how much work does it do?
_________J
(c) How much heat does it give off during each cycle?
_________J
(d) What is the COP of this engine when it works as a refrigeratorbetween the same two reservoirs?
28 Jun 2023
Beverley SmithLv2
12 Nov 2019
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