Mechanical Engineering - Thermodynamics - Discussion

29. 

In a free expansion process,

[A]. W1 - 2 = 0
[B]. Q1 - 2 = 0
[C]. dU = 0
[D]. all of these

Answer: Option D

Explanation:

No answer description available for this question.

Dilip Singh said: (Oct 11, 2018)  
The Gas expending against vacuum, their is no resistance offer from surrounding w=0.

Perfectly insulated dQ=0.
When an ideal gas undergoes free expansion U initial = U final.

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