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SSC-JE ME || Thermodynamics Quiz 6

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Question 1

A closed system contains 10 kg of saturated liquid ammonia at 10 °C. Heat addition required to convert the entire liquid into saturated vapour at a constant pressure is 16.2 MJ. If the entropy of the saturated liquid is 0.88 kJ/kg.K, the entropy (in kJ/kg.K) of saturated vapour is _________

Question 2

The Mollier diagram of a pure substance is a

Question 3

According to Dalton’s law, the total pressure of the mixture of gases is equal to __________.

Question 4

What the region (2) in the p-V diagram given below is called?

Question 5

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 Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE-ME-2014-Set-2_files\image071.png/kg. Its specific enthalpy (in kJ/kg) is ______.

Question 6

The specific volume of water when heated from 00C

Question 7

Vertical lines on pressure-enthalpy chart show constant ________.

Question 8

Superheated vapour behaves _________.

Question 9

Which of the following are pure substances?

1) Mixture of Liquid and Gaseous Air.

2) Mixture of Water and Steam.

3) Mixture of Gaseous O2 and N2.

4) Liquid Nitrogen.

Question 10

On a U-V diagram, triple point is a _________.
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