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Previous year question hub

Thermodynamic Cycles - Engineering Sciences Previous Year Questions

Practice Thermodynamic Cycles - Engineering Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

16Papers
16Years
48Questions
1Topics

Thermodynamic Cycles question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Thermodynamic Cycles. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 30 62.5%
Easy 18 37.5%

Question type distribution

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

MCQ 24 50%
Numerical Answer Type (NAT) 20 41.7%
MSQ 2 4.2%
Fill in the blanks 2 4.2%

Subject weightage

Top subjects by unique question coverage.

Engineering Sciences
48 Qs

Most asked topics

Top topics across the included previous year papers.

Thermodynamic Cycles
48 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Air-standard Power Cycles
29 Qs
Vapour Power and Refrigeration Cycles
19 Qs

Paper coverage

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

Engineering Sciences (XE) 2026
3 Qs
Engineering Sciences (XE) 2025
3 Qs
Engineering Sciences (XE) 2024
3 Qs
Engineering Sciences (XE) 2023
5 Qs
Engineering Sciences (XE) 2022
3 Qs
Engineering Sciences (XE) 2021
1 Qs
Engineering Sciences (XE) 2020
4 Qs
Engineering Sciences (XE) 2019
5 Qs
Engineering Sciences (XE) 2018
2 Qs
Engineering Sciences (XE) 2017
2 Qs
Engineering Sciences (XE) 2016
2 Qs
Engineering Sciences (XE) 2015
3 Qs
Engineering Sciences (XE) 2014
4 Qs
Engineering Sciences (XE) 2013
5 Qs
Engineering Sciences (XE) 2012
2 Qs
Engineering Sciences (XE) 2008
1 Qs

Browse by subtopics

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

Air-standard Power Cycles

Explore previous-paper coverage, trends and focused practice for Air-standard Power Cycles.

29 questions15 papers15 years

Vapour Power and Refrigeration Cycles

Explore previous-paper coverage, trends and focused practice for Vapour Power and Refrigeration Cycles.

19 questions12 papers12 years

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
Engineering Sciences (XE) 202620263View paper
Engineering Sciences (XE) 202520253View paper
Engineering Sciences (XE) 202420243View paper
Engineering Sciences (XE) 202320235View paper
Engineering Sciences (XE) 202220223View paper
Engineering Sciences (XE) 202120211View paper
Engineering Sciences (XE) 202020204View paper
Engineering Sciences (XE) 201920195View paper
Engineering Sciences (XE) 201820182View paper
Engineering Sciences (XE) 201720172View paper
Engineering Sciences (XE) 201620162View paper
Engineering Sciences (XE) 201520153View paper
Engineering Sciences (XE) 201420144View paper
Engineering Sciences (XE) 201320135View paper
Engineering Sciences (XE) 201220122View paper
Engineering Sciences (XE) 200820081View paper

Sample previous year questions

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

1
2008 · Engineering Sciences · Thermodynamic Cycles · Vapour Power and Refrigeration Cycles
Engineering Sciences (XE) 2008
In a thermal power plant operating on a Rankine cycle, steam having enthalpy \(h = 2995.1\) kJ/kg and entropy \(s = 6.5422\) kJ/kg °C is produced at 3 MPa and 300 °C and is fed to a turbine where it expands to a condenser pressure of 5 kPa, where \(h_f = 137.77\) kJ/kg, \(h_{fg} = 2561.6\) kJ/kg, \(s_f = 0.4763\) kJ/kg °C and \(s_{fg} = 8.3960\) kJ/kg °C. At the entrance to the condenser, the quality and enthalpy of steam, respectively are approximately:
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2
2012 · Engineering Sciences · Thermodynamic Cycles · Air-standard Power Cycles
Engineering Sciences (XE) 2012
In a Diesel cycle, the ratio of cylinder volumes after and before combustion process is called
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3
2013 · Engineering Sciences · Thermodynamic Cycles · Vapour Power and Refrigeration Cycles
Engineering Sciences (XE) 2013
If the required cooling is attained in 16 hours, the refrigeration plant capacity (in Tons) is
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4
2014 · Engineering Sciences · Thermodynamic Cycles · Air-standard Power Cycles
Engineering Sciences (XE) 2014
The minimum and maximum volumes in an air standard Otto cycle are 100 and 800 cm³. Its thermal efficiency (%) is
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5
2015 · Engineering Sciences · Thermodynamic Cycles · Vapour Power and Refrigeration Cycles
Engineering Sciences (XE) 2015
In an ideal Rankine cycle, increase in superheat of vapor at the exit of boiler leads to
(A) decrease in net work output from the cycle
(B) increase in cycle efficiency
(C) decrease in cycle efficiency
(D) decrease in quality of steam at the exit of the turbine
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6
2016 · Engineering Sciences · Thermodynamic Cycles · Air-standard Power Cycles
Engineering Sciences (XE) 2016
Consider the following statements related to air-standard Otto, Diesel, and Brayton cycles:
P. Brayton cycle has at least one isentropic and one isobaric process.
Q. Otto cycle has at least one isentropic and one isochoric process.
R. Diesel cycle has at least one isentropic and one isothermal process.
S. At least one of the cycles has an isothermal process.
For which of the following options, BOTH the statements are consistent with the operation of the above cycles:
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