Questions
Engine A receives three times more input heat, produces five times more work, and rejects two times more heat than engine B. The efficiency of engine A is
detailed solution
Correct option is A
For A, 3Q, 5W and 3Q-5W are heat absorbed, work done and heat rejected respectively and for B. Q, W, Q–W are the corresponding values for A. Equate (3Q-5W) to 2×(Q-W)⇒ Q = 3WTalk to our academic expert!
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An ideal Carnot engine whose efficiency is 40% receives heat at 500K if the efficiency is to be 50%, the intake temperature for the same exhaust temperature is.
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