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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.

18Papers
18Years
138Questions
1Topics

Fluid Mechanics and Mechanical Operations question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Fluid Mechanics and Mechanical Operations. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 83 60.1%
Medium 54 39.1%
Hard 1 0.7%

Question type distribution

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

MCQ 100 72.5%
Numerical Answer Type (NAT) 30 21.7%
MSQ 4 2.9%
Fill in the blanks 4 2.9%

Subject weightage

Top subjects by unique question coverage.

Chemical Engineering
138 Qs

Most asked topics

Top topics across the included previous year papers.

Fluid Mechanics and Mechanical Operations
138 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Pipe Flow, Pumps and Flow Measurement
46 Qs
Fluid Statics and Conservation Equations
40 Qs
Settling, Filtration and Mixing
23 Qs
Particle Size Reduction and Classification
16 Qs
Boundary Layers and Flow around Particles
13 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) 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
10 Qs
Chemical Engineering (CH) 2007
12 Qs

Browse by subtopics

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

Pipe Flow, Pumps and Flow Measurement

Explore previous-paper coverage, trends and focused practice for Pipe Flow, Pumps and Flow Measurement.

46 questions18 papers18 years

Fluid Statics and Conservation Equations

Explore previous-paper coverage, trends and focused practice for Fluid Statics and Conservation Equations.

40 questions16 papers16 years

Settling, Filtration and Mixing

Explore previous-paper coverage, trends and focused practice for Settling, Filtration and Mixing.

23 questions15 papers15 years

Particle Size Reduction and Classification

Explore previous-paper coverage, trends and focused practice for Particle Size Reduction and Classification.

16 questions10 papers10 years

Boundary Layers and Flow around Particles

Explore previous-paper coverage, trends and focused practice for Boundary Layers and Flow around Particles.

13 questions10 papers10 years

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
Chemical Engineering (CH) 202620269View paper
Chemical Engineering (CH) 202520256View paper
Chemical Engineering (CH) 202420246View paper
Chemical Engineering (CH) 202320237View paper
Chemical Engineering (CH) 202220225View paper
Chemical Engineering (CH) 202120215View paper
Chemical Engineering (CH) 202020209View paper
Chemical Engineering (CH) 201920196View paper
Chemical Engineering (CH) 201820187View paper
Chemical Engineering (CH) 201720178View paper
Chemical Engineering (CH) 201420147View paper
Chemical Engineering (CH) 2013201310View paper
Chemical Engineering (CH) 201220127View paper
Chemical Engineering (CH) 2011201110View paper
Chemical Engineering (CH) 201020107View paper
Chemical Engineering (CH) 200920097View paper
Chemical Engineering (CH) 2008200810View paper
Chemical Engineering (CH) 2007200712View paper

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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