Ask a Question

A heat engine takes in 200 J of thermal energy and performs 50 J of work in each cycle. What is its efficiency?

+2 votes
in Class 12 by kratos

A heat engine takes in 200 J of thermal energy and performs 50 J of work in each cycle. What is its efficiency?

(A) 50 %

(B) 40 %

(C) 25 %

(D) 20 %

(E) 12 %

1 Answer

+3 votes
by kratos
 
Best answer

Correct option (C) 25 %

Explanation:

e = W/QH = (QH - QC)/QH

No related questions found

Snow Theme by Q2A Market
Powered by Question2Answer

Copyright © QinStar.in

...