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Chemical Engineering Exam  >  Chemical Engineering Tests  >  Mass Transfer  >  Test: Vapour Liquid Equilibria - Chemical Engineering MCQ

Test: Vapour Liquid Equilibria - Chemical Engineering MCQ


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10 Questions MCQ Test Mass Transfer - Test: Vapour Liquid Equilibria

Test: Vapour Liquid Equilibria for Chemical Engineering 2024 is part of Mass Transfer preparation. The Test: Vapour Liquid Equilibria questions and answers have been prepared according to the Chemical Engineering exam syllabus.The Test: Vapour Liquid Equilibria MCQs are made for Chemical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Vapour Liquid Equilibria below.
Solutions of Test: Vapour Liquid Equilibria questions in English are available as part of our Mass Transfer for Chemical Engineering & Test: Vapour Liquid Equilibria solutions in Hindi for Mass Transfer course. Download more important topics, notes, lectures and mock test series for Chemical Engineering Exam by signing up for free. Attempt Test: Vapour Liquid Equilibria | 10 questions in 20 minutes | Mock test for Chemical Engineering preparation | Free important questions MCQ to study Mass Transfer for Chemical Engineering Exam | Download free PDF with solutions
Test: Vapour Liquid Equilibria - Question 1
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 A new phase is given for the separation by distillation.

Detailed Solution for Test: Vapour Liquid Equilibria - Question 1

Explanation: Here, the separation is done by vaporization.

Test: Vapour Liquid Equilibria - Question 2
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Consider a sugar solution[ Sugar + Water]; On vaporization water only evaporate since sugar is________

Detailed Solution for Test: Vapour Liquid Equilibria - Question 2

Explanation: There is no boiling point for the Non-volatile compound. So the sugar has no vapour pressure.

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Test: Vapour Liquid Equilibria - Question 3
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Distillation is possible only if the solution components are_____________

Detailed Solution for Test: Vapour Liquid Equilibria - Question 3

Explanation: Since the distillation is done by vaporization the components should be volatile for separation.

Test: Vapour Liquid Equilibria - Question 4
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 No further process required for _____________
Detailed Solution for Test: Vapour Liquid Equilibria - Question 4

Explanation: Distillation is the only process gives the pure component separation.

Test: Vapour Liquid Equilibria - Question 5
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In a solution (A and B); The vapour pressure of A is 260 mmHg and B is 360 mmHg; Find the relative volatility?
Detailed Solution for Test: Vapour Liquid Equilibria - Question 5

Explanation: Relative volatility= vapour pressure of A/ Vapour pressure of B
= 260/360
=0.72.

Test: Vapour Liquid Equilibria - Question 6
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If the gas phase composition of a component A is 0.65 and its relative volatility is 2. Find the liquid phase composition.
Detailed Solution for Test: Vapour Liquid Equilibria - Question 6

Explanation: Relative volatility= 0.65/(1-0.65) * (1-x)/x
2= 1.85 * (1-x)/x ; x= 0.48.

Test: Vapour Liquid Equilibria - Question 7
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The component A and B has the same boiling point. Can the separation is done by ordinary separation?
Detailed Solution for Test: Vapour Liquid Equilibria - Question 7

Explanation: Separation cannot be done if the two components have the same vapour pressure.

Test: Vapour Liquid Equilibria - Question 8
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The possibility of separation will be more if the separation factor is greater than 1.
Detailed Solution for Test: Vapour Liquid Equilibria - Question 8

Explanation: Since if relative volatility is equals to 1. The separation is not possible since the boiling point of the two components will be same.

Test: Vapour Liquid Equilibria - Question 9
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Find the vapour pressure of a component A in an ideal mixture, if its liquid composition and the partial pressure is 0.65 and 260 mmHg.
Detailed Solution for Test: Vapour Liquid Equilibria - Question 9

Explanation: For an ideal solution, Partial pressure = vapour pressure x mole fraction
Vapour pressure= (260/0.65)=400 mmHg.

Test: Vapour Liquid Equilibria - Question 10
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Consider an ideal vapour-liquid binary mixture, find the total pressure if the vapour pressure of A is 260 mmHg and the vapour pressure of B is 520 mmHg and the composition of A in mole fraction is 0.55.
Detailed Solution for Test: Vapour Liquid Equilibria - Question 10

Explanation: Total pressure = (vapour pressure of A * mole fraction) + vapour pressure of B*( 1- mole fraction) = 377 mmHg.

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Vapour Liquid Equilibria MCQs with Answers

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