Thermodynamics Question 348

Question: The pressure in the tyre of a car is four times the atmospheric pressure at 300 K. If this tyre suddenly bursts, its new temperature will be (γ=1.4)

Options:

A) 300(4)1.4/0.4

B) 300(14)0.4/1.4

C) 300(2)0.4/1.4

D) 300(4)0.4/1.4

Show Answer

Answer:

Correct Answer: D

Solution:

[d] For adiabatic process TγPγ1= constant

Therefore T2T1=(P1P2)1γγ

Therefore T2300=(41)(11.4)1.4

Therefore T2=300(4)0.41.4



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