Test: Properties of Pure Substances - 2

Test: Properties of Pure Substances - 2

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9 Questions MCQ Test Thermodynamics | Test: Properties of Pure Substances - 2

Test: Properties of Pure Substances - 2 for Mechanical Engineering 2023 is part of Thermodynamics preparation. The Test: Properties of Pure Substances - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Properties of Pure Substances - 2 MCQs are made for Mechanical Engineering 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Properties of Pure Substances - 2 below.
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Test: Properties of Pure Substances - 2 - Question 1

Triple point is the point in

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Test: Properties of Pure Substances - 2 - Question 2

A substance expands on freezing only if

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Explanation : A substance expands on freezing only if the slope of the fusion line on the pressure temperature chart is negative.

Test: Properties of Pure Substances - 2 - Question 3

On a P-V-T surface, the triple point and critical point are seen as respectively

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Test: Properties of Pure Substances - 2 - Question 4

In the mollier diagram for steam, dryness fraction lines converge at

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Test: Properties of Pure Substances - 2 - Question 5

For a mixture of solid, liquid and vapour phases of a pure substance in equilibrium, what is the number of independent intrinsic properties needed ?

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From Gibb's phase rule
C + 2 = P + F
For pure substance C= 1
Phases present, P - 3
1 + 2 = 3 + F
F = 0

Test: Properties of Pure Substances - 2 - Question 6

Which one of the following represents the condensation of a mixture of saturated liquid and saturated vapour on the enthalpy-entropy diagram

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For Moiller diagram, condensation takes place at constant pressure which is along vertically inclined.

Test: Properties of Pure Substances - 2 - Question 7

Which of the following are pure substances?
1. Gaseous air
2. A mixture of gaseous air and liquid water
3. A mixture of liquid water and water vapour
4. A mixture of gaseous air and oil

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Example of pure substance:
1. Atmospheric air
2. Steam water mixture
3. Combustion products of a fuel

Test: Properties of Pure Substances - 2 - Question 8

The ordinate and abscissa in the given figure showing the saturated liquid and vapour regions of a pure substance represent.

Test: Properties of Pure Substances - 2 - Question 9

Change of state, e.g., freezing, melting, evaporation and condensation, is an

Thermodynamics

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Thermodynamics

33 videos|54 docs|36 tests