Question

08. An ideal gas at a pressure of 1 atmosphere
and temperature of 27°C is compressed
adiabatically until its pressure becomes 8
times the initial pressure, then the final
temperature is (y = 3/2)
P₂T
1) 627°C 2) 527°C 3) 427°C 4) 327°C
P TI​

Answer 1

Answer:

In an adiabatic process, pressure and temperature are related as

PT

γ−1

γ

=constant

(

P

2

P

1

)

1−γ

=(

T

1

T

2

)

γ

(

8

1

)

1−1.5

=(

300

T

2

)

1.5

T

2

=300×8

0.5/1.5

=300(2)=600K=327

o

C

Option D.