GATE ME 2025 Set 1 — Question 54
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Thermodynamics → Laws & Properties → Ideal & Real Gas Behaviour
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Question
A thermodynamically closed system contains of hydrogen. The system undergoes a reversible polytropic process with polytropic index . The work output during the process is . During the process, hydrogen behaves as an ideal gas with constant specific heats. The absolute value of heat transfer during the process is ____________ (rounded off to 1 decimal place).Specific heat of hydrogen at constant pressure
Specific heat of hydrogen at constant volume
Specific heat of hydrogen at constant volume
Correct answer
99 to 101
Solution
1.Polytropic process: . Polytropic index .
2.Work done .
3.Heat transfer in a polytropic process is given by: .
4.Calculate adiabatic index :
.5.Calculate heat transfer :
.The absolute value of heat transfer is kJ.
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