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Previous year question hub

Mass Transfer - Chemical Engineering Previous Year Questions

Practice Mass Transfer - Chemical Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

18Papers
18Years
121Questions
1Topics

Mass Transfer question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Mass Transfer. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 87 71.9%
Easy 31 25.6%
Hard 3 2.5%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 84 69.4%
Numerical Answer Type (NAT) 34 28.1%
Fill in the blanks 2 1.7%
MSQ 1 0.8%

Subject weightage

Top subjects by unique question coverage.

Chemical Engineering
121 Qs

Most asked topics

Top topics across the included previous year papers.

Mass Transfer
121 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Distillation and Absorption
44 Qs
Diffusion and Mass-transfer Theories
40 Qs
Drying, Humidification and Membrane Separation
18 Qs
Stagewise Contacting and Transfer Units
10 Qs
Extraction, Leaching and Adsorption
9 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Chemical Engineering (CH) 2026
7 Qs
Chemical Engineering (CH) 2025
7 Qs
Chemical Engineering (CH) 2024
8 Qs
Chemical Engineering (CH) 2023
7 Qs
Chemical Engineering (CH) 2022
6 Qs
Chemical Engineering (CH) 2021
6 Qs
Chemical Engineering (CH) 2020
8 Qs
Chemical Engineering (CH) 2019
7 Qs
Chemical Engineering (CH) 2018
7 Qs
Chemical Engineering (CH) 2017
7 Qs
Chemical Engineering (CH) 2014
7 Qs
Chemical Engineering (CH) 2013
7 Qs
Chemical Engineering (CH) 2012
5 Qs
Chemical Engineering (CH) 2011
4 Qs
Chemical Engineering (CH) 2010
5 Qs
Chemical Engineering (CH) 2009
9 Qs
Chemical Engineering (CH) 2008
8 Qs
Chemical Engineering (CH) 2007
6 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Distillation and Absorption

Explore previous-paper coverage, trends and focused practice for Distillation and Absorption.

44 questions17 papers17 years

Diffusion and Mass-transfer Theories

Explore previous-paper coverage, trends and focused practice for Diffusion and Mass-transfer Theories.

40 questions18 papers18 years

Drying, Humidification and Membrane Separation

Explore previous-paper coverage, trends and focused practice for Drying, Humidification and Membrane Separation.

18 questions13 papers13 years

Stagewise Contacting and Transfer Units

Explore previous-paper coverage, trends and focused practice for Stagewise Contacting and Transfer Units.

10 questions8 papers8 years

Extraction, Leaching and Adsorption

Explore previous-paper coverage, trends and focused practice for Extraction, Leaching and Adsorption.

9 questions8 papers8 years

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Chemical Engineering (CH) 202620267View paper
Chemical Engineering (CH) 202520257View paper
Chemical Engineering (CH) 202420248View paper
Chemical Engineering (CH) 202320237View paper
Chemical Engineering (CH) 202220226View paper
Chemical Engineering (CH) 202120216View paper
Chemical Engineering (CH) 202020208View paper
Chemical Engineering (CH) 201920197View paper
Chemical Engineering (CH) 201820187View paper
Chemical Engineering (CH) 201720177View paper
Chemical Engineering (CH) 201420147View paper
Chemical Engineering (CH) 201320137View paper
Chemical Engineering (CH) 201220125View paper
Chemical Engineering (CH) 201120114View paper
Chemical Engineering (CH) 201020105View paper
Chemical Engineering (CH) 200920099View paper
Chemical Engineering (CH) 200820088View paper
Chemical Engineering (CH) 200720076View paper

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2007 · Chemical Engineering · Mass Transfer · Distillation and Absorption
Chemical Engineering (CH) 2007
If \(T_A\) and \(T_B\) are the boiling points of pure A and pure B respectively and \(T_{AB}\) is that of a non-homogeneous immiscible mixture of A and B, then
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2
2008 · Chemical Engineering · Mass Transfer · Distillation and Absorption
Chemical Engineering (CH) 2008
Q.16 In a countercurrent gas absorber, both the operating and equilibrium relations are linear. The inlet liquid composition and the exit gas composition are maintained constant. In order to increase the absorption factor
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3
2009 · Chemical Engineering · Mass Transfer · Diffusion and Mass-transfer Theories
Chemical Engineering (CH) 2009

According to the penetration theory of mass transfer, the mass transfer coefficient (k) varies with diffusion coefficient (D) of the diffusing species as

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4
2010 · Chemical Engineering · Mass Transfer · Distillation and Absorption
Chemical Engineering (CH) 2010

The flooding velocity in a plate column, operating at 1 atm pressure, is 3 m/s. If the column is operated at 2 atm pressure, under otherwise identical conditions, the flooding velocity will be

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5
2011 · Chemical Engineering · Mass Transfer · Diffusion and Mass-transfer Theories
Chemical Engineering (CH) 2011
Ammonia (component 1) is evaporating from a partially filled bottle into surrounding air (component 2). The liquid level in the bottle and the concentration of ammonia at the top of the bottle are maintained constant. \(N_1\) is the molar flux relative to a fixed location in space and \(J_1\) is the molar flux with respect to the average molar velocity of the constituent species in the gas phase. Assume that air in the bottle is stagnant. Which ONE of the following is CORRECT?
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6
2012 · Chemical Engineering · Mass Transfer · Distillation and Absorption
Chemical Engineering (CH) 2012
In the McCabe-Thiele diagram, if the \( x \)-coordinate of the point of intersection of the \( q \)-line and the vapor-liquid equilibrium curve is greater than the \( x \)-coordinate of the feed point, then the quality of the feed is
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