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An inventor claims to have invented four engines. Each of which operates between heatr reservoirs at 400 and 300 K. (a) Which of these engines violate the second law of thermodynamic? (there may be) (a) which of these engines violate the first law of thermodynamic? (there may be more than one correct answer) (A) 1 (B) 2 (C) 3 (D) 4 (b) which of these engines violate the second law of thermodynamic? (There may be more than one correct answer!) (A) 1 (B) 2 (C) 3 (D) 4

An inventor claims to have invented four engines. Each of which operates between heatr reservoirs at 400 and 300 K.
 (a) Which of these engines violate the second law of thermodynamic? (there may be)
(a) which of these engines violate the first law of thermodynamic? (there may be more than one correct answer)     
(A) 1
 (B) 2
 (C) 3
 (D) 4
(b) which of these engines violate the second law of thermodynamic? (There may be more than one correct answer!)
(A) 1
(B) 2
(C) 3
(D) 4

Grade:11

1 Answers

Aditi Chauhan
askIITians Faculty 396 Points
6 years ago
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From the above observation we conclude that, option (A) and (B) are correct.

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