17. A Carnot engine operates between 227°C and 27°C Efficiency of the engine will be
(a) 1/3 (b) 2/5
(c) 3/4 (d) 3/5
Answer-b
(9)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)