KEAM SERIES Physics
Carnot Engine
8 previous year questions.
Volume: 8 Ques
Yield: Medium
High-Yield Trend
5
2026 1
2025 1
2022 1
2021 Chapter Questions 8 MCQs
01
PYQ 2021
medium
physics ID: keam-202
When the temperature of the source of a Carnot engine is at 400 K, its efficiency is 25%. The required increase in temperature of the source to increase the efficiency to 50% is
1
800 K
2
600K
3
100 K
4
400 K
5
200 K
02
PYQ 2022
medium
physics ID: keam-202
An ideal Carnot engine working with source temperature T1, and sink temperature T2, has efficiency n. Then the value of the ratio is
1
2
3
4
n
5
03
PYQ 2025
medium
physics ID: keam-202
The temperature of the source and sink of a heat engine are 127°C and 27°C respectively. By how much should the temperature of the source be increased so as to double the efficiency?
1
100°C
2
200°C
3
150°C
4
50°C
04
PYQ 2026
medium
physics ID: keam-202
Carnot engine operates between temperatures, 600 K and 300 K. If it absorbs 1200 J of heat from source, the work done by the engine is}
1
6000 J
2
3600 J
3
2400 J
4
1200 J
5
600 J
05
PYQ 2026
easy
physics ID: keam-202
Which of the following statement is correct for EM wave:
06
PYQ 2026
easy
physics ID: keam-202
What is the ratio of the longest wavelength in Lyman and Balmer series?
07
PYQ 2026
medium
physics ID: keam-202
A constant force acts on a body at rest, resulting it to move with constant acceleration. If power relates to time as , what is the value of ?
08
PYQ 2026
medium
physics ID: keam-202
If of a rigid diatomic gas and of a non-rigid diatomic gas, find and .
About Carnot Engine - KEAM
Carnot Engine is a vital chapter for KEAM aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Carnot Engine PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Carnot Engine carry the most weight. Then, tackle the questions iteratively to solidify your understanding.