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Previous year question hub

Fluid Mechanics and Mechanical Operations - Chemical Engineering Previous Year Questions

Practice Fluid Mechanics and Mechanical Operations - Chemical Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

19Papers
19Years
151Questions
1Topics

Fluid Mechanics and Mechanical Operations question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 87 57.6%
Medium 63 41.7%
Hard 1 0.7%

Question type distribution

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

MCQ 110 72.8%
Numerical Answer Type (NAT) 33 21.9%
MSQ 4 2.6%
Fill in the blanks 4 2.6%

Subject weightage

Top subjects by unique question coverage.

Chemical Engineering
151 Qs

Most asked topics

Top topics across the included previous year papers.

Fluid Mechanics and Mechanical Operations
151 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Pipe Flow, Pumps and Flow Measurement
50 Qs
Fluid Statics and Conservation Equations
44 Qs
Settling, Filtration and Mixing
28 Qs
Particle Size Reduction and Classification
15 Qs
Boundary Layers and Flow around Particles
14 Qs

Paper coverage

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

Chemical Engineering (CH) 2026
9 Qs
Chemical Engineering (CH) 2025
6 Qs
Chemical Engineering (CH) 2024
6 Qs
Chemical Engineering (CH) 2023
7 Qs
Chemical Engineering (CH) 2022
5 Qs
Chemical Engineering (CH) 2021
5 Qs
Chemical Engineering (CH) 2020
9 Qs
Chemical Engineering (CH) 2019
6 Qs
Chemical Engineering (CH) 2018
7 Qs
Chemical Engineering (CH) 2017
8 Qs
Chemical Engineering (CH) 2016
8 Qs
Chemical Engineering (CH) 2014
7 Qs
Chemical Engineering (CH) 2013
10 Qs
Chemical Engineering (CH) 2012
7 Qs
Chemical Engineering (CH) 2011
10 Qs
Chemical Engineering (CH) 2010
7 Qs
Chemical Engineering (CH) 2009
7 Qs
Chemical Engineering (CH) 2008
13 Qs
Chemical Engineering (CH) 2007
14 Qs

Browse by subtopics

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

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Chemical Engineering (CH) 20262026
9 questions in this view
2026
Chemical Engineering (CH) 20252025
6 questions in this view
2025
Chemical Engineering (CH) 20242024
6 questions in this view
2024
Chemical Engineering (CH) 20232023
7 questions in this view
2023
Chemical Engineering (CH) 20222022
5 questions in this view
2022
Chemical Engineering (CH) 20212021
5 questions in this view
2021
Chemical Engineering (CH) 20202020
9 questions in this view
2020
Chemical Engineering (CH) 20192019
6 questions in this view
2019
Chemical Engineering (CH) 20182018
7 questions in this view
2018
Chemical Engineering (CH) 20172017
8 questions in this view
2017
Chemical Engineering (CH) 20162016
8 questions in this view
2016
Chemical Engineering (CH) 20142014
7 questions in this view
2014
Chemical Engineering (CH) 20132013
10 questions in this view
2013
Chemical Engineering (CH) 20122012
7 questions in this view
2012
Chemical Engineering (CH) 20112011
10 questions in this view
2011
Chemical Engineering (CH) 20102010
7 questions in this view
2010
Chemical Engineering (CH) 20092009
7 questions in this view
2009
Chemical Engineering (CH) 20082008
13 questions in this view
2008
Chemical Engineering (CH) 20072007
14 questions in this view
2007

Sample previous year questions

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

1
2007 · Chemical Engineering · Fluid Mechanics and Mechanical Operations · Fluid Statics and Conservation Equations
Chemical Engineering (CH) 2007
Consider a soap film bubble of diameter \(D\). If the external pressure is \(P_o\) and the surface tension of the soap film is \(\sigma\), the expression for the pressure inside the bubble is
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2
2008 · Chemical Engineering · Fluid Mechanics and Mechanical Operations · Fluid Statics and Conservation Equations
Chemical Engineering (CH) 2008
Q.9 Three containers are filled with water up to the same height as shown. The pressures at the bottom of the containers are denoted as P1, P2 and P3. Which ONE of the following relationships is true?

Question diagram

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3
2009 · Chemical Engineering · Fluid Mechanics and Mechanical Operations · Pipe Flow, Pumps and Flow Measurement
Chemical Engineering (CH) 2009

Under fully turbulent flow conditions, the frictional pressure drop across a packed bed varies with the superficial velocity (V) of the fluid as

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4
2010 · Chemical Engineering · Fluid Mechanics and Mechanical Operations · Particle Size Reduction and Classification
Chemical Engineering (CH) 2010
The critical speed (revolutions per unit time) of a ball mill of radius R, which uses balls of radius r, is
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5
2011 · Chemical Engineering · Fluid Mechanics and Mechanical Operations · Settling, Filtration and Mixing
Chemical Engineering (CH) 2011

Consider the following two cases of movement of particles. In Case I, the particle moves along the positive y-direction and in Case II, the particle moves along negative y-direction. Gravity acts along the positive y-direction. Which ONE of the following options corresponds to the CORRECT directions of buoyancy acting on the particles?

Question diagram

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6
2012 · Chemical Engineering · Fluid Mechanics and Mechanical Operations · Pipe Flow, Pumps and Flow Measurement
Chemical Engineering (CH) 2012
Water is flowing under laminar conditions in a pipe of length \( L \). If the diameter of the pipe is doubled, for a constant volumetric flow rate, the pressure drop across the pipe
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