22. Efficiency of a Carnot engine is 50% when temperature of outlet is 500 K. In order to increase efficiency up to 60% keeping temperature of intake the same what is temperature of outlet
(a) 200 K (b) 400 K
(c) 600 K (d) 800 K
Answer-b
(10)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)