Thermodynamics Question 42

Question: In adiabatic expansion of a gas

[BCECE 2001; MP PET 2003]

Options:

A) 32

B) 43

C) 2

D) 53

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Answer:

Correct Answer: A

Solution:

Given PT3 ,

but we know for an adiabatic process, the pressure PTγ/γ1

So γγ1=3γ=32CPCV=32



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