15. In a Carnot engine, when
T2=0°C and T1=200°C its efficiency is η1 and when T1=0°C and T2=200°C , Its efficiency is η2 , then what is η1 / η2
(a) 0.577 (b) 0.733
(c) 0.638 (d) Can not be calculated
Answer-a
(11)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (118)
(a) 34 J (b) 70 J (c) 84 J (d) 134 J Answer-d (202)