question_answer

Helium gas goes through a cycle ABCDA (consisting of two isochoric and isobaric lines) as shown in figure. Efficiency of this cycle is nearly:                                                                                                          [AIEEE 2012]

(Assume the gas to be close to ideal gas)

A)  15.4%

B)       9.1%

C)  10.5%

D)       12.5%

Correct Answer: A

Solution :

[a]