engineering recuitment AAI JE Technical Mock Test 2020-21 Thermodynamics First Law of Thermodynamics Application of First Law to Closed System
A certain amount of an ideal gas initially at a pressure P1 and temperature T1. First, it undergoes a constant pressure process 1 – 2 such that T2 = 3T1/4. Then, it undergoes a constant volume process 2 – 3 such that T3 = T1/2. The ratio of the final volume to the initial volume of the ideal gas is
1
0.25
2
0.75
3
1.0
4
1.5