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# GATE 2022 ME: Thermodynamics Quiz - 6

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Question 1

The Mollier diagram of a pure substance is a

Question 2

The specific volume of water when heated from 00C

Question 3

A pure substance at 8 MPa and 400 °C is having a specific internal energy of 2864 kJ/kg and a specific volume of 0.03432 /kg. Its specific enthalpy (in kJ/kg) is ______.

Question 4

The work required (magnitude in KJ/kg) to compress the steam isentropically from 1 bar to 8 bar. Assume the initial state of vapour is saturated vapour. Use the following table:

Question 5

A rigid 100-L vessel initially contains a mixture of liquid water and vapour at 100 °C with 12.3% quality. The mixture is then heated until its temperature reaches 150 °C. Heat transfer required for this process is ______ kJ.
Reference table is given below:

Question 6

A vessel of volume of 0.05 m3 contains a mixture of saturated steam and saturated water at a temperature of 250. The mass of liquid is 10 kg. The specific enthalpy (kJ/kg) of mixture is-

Use the following table:

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