Thermodynamics Question 19

Question: Compressed air in the tube of a wheel of a cycle at normal temperature suddenly starts coming out from a puncture. The air inside

[NCERT 1970]

Options:

A) 2077.5 joules

B) 207.5 joules

C) 207.5 ergs

D) None of the above

Show Answer

Answer:

Correct Answer: A

Solution:

W=Rγ−1(T1−T2)

=8.31×(273+27)−(273+127)1.4−1=−2077.5 joules

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