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ISRO Mechanical Engg.: Thermodynamics Booster Quiz 3

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Question 1

The latent heat of vaporization of a fluid at 100K is 2560 KJ/kg. What is the change of entropy associated with the evaporation?

Question 2

1 m³ of air at a pressure at 10 kg/cm² is allowed to expand freely to a volume to 10 m³, the work done will be

Question 3

Choose the correct figure representing gas to gas heat transfer in parallel flow heat exchanger?

Question 4

The state of a real gas if changed from pressure P₁, temperature T₁ to pressure p₂ temperature T₂. The change in enthalpy, h₂ –h₁, is given by

Question 5

In the polytropic process pvⁿ = Constant, if n = 1 the process will be at ( for an ideal gas )

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