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Test: Properties of Gases - 2 - Mechanical Engineering MCQ


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10 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering - Test: Properties of Gases - 2

Test: Properties of Gases - 2 for Mechanical Engineering 2024 is part of Topicwise Question Bank for Mechanical Engineering preparation. The Test: Properties of Gases - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Properties of Gases - 2 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Properties of Gases - 2 below.
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Test: Properties of Gases - 2 - Question 1

The equation is known as

Detailed Solution for Test: Properties of Gases - 2 - Question 1

The equation  is know n as Van der Waal’s equation 
where,
 = Forces of cohesion
b = Co-volume 

Test: Properties of Gases - 2 - Question 2

Which of the following conditions are favourable for liquefaction of a gas?

Detailed Solution for Test: Properties of Gases - 2 - Question 2

As Tr < 1, the gas becomes liquified and during phase transition isotherms are vertical. The minima of all these isotherms lie in the liquid zone

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Test: Properties of Gases - 2 - Question 3

 If value of n is zero in a polytropic process PVn = C, then the process is known as constant 

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If n = 0, process is known as isobaric process

Test: Properties of Gases - 2 - Question 4

For an ideal gas the value of Joule Thomson coefficient is

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When an ideal gas is made to undergo throttling process, there is no change in temperature hence
μ = 0

Test: Properties of Gases - 2 - Question 5

Change in internal energy of small temperature change ΔT for ideal gas is expressed by the relation (for unit mass)

Test: Properties of Gases - 2 - Question 6

 Change in enthalpy for small temperature change ΔT for ideal gas for unit mass is expressed by the relation

Test: Properties of Gases - 2 - Question 7

In Van der Waal’s gas equation The unit of b is

Test: Properties of Gases - 2 - Question 8

Ratio of specific heat for an ideal gas is given by

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Hence,

Test: Properties of Gases - 2 - Question 9

The relation pvγ= constant, where γ is the ratio of the specific heats of ideal gas is applicable to

Test: Properties of Gases - 2 - Question 10

When a gas is to be stored, the type of compression that would be ideal is 

Detailed Solution for Test: Properties of Gases - 2 - Question 10

For isothermal compression, work of compression is minimum hence isothermal compression is a ideal compression process.

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