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Carnot Engine Questions

Practice 7 Carnot Engine questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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Practice by Exam:Physics(7)

About Carnot Engine โ€” practice questions, PYQs & concepts

Carnot Engine is a frequently-tested topic on Physics. ExamTest.live currently lists 7 Carnot Engine questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year โ€” every answer key is free, no sign-up required.

Carnot Engine weight in competitive exams

Across our Carnot Engine question bank, the largest sources are Physics (7). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 0 easy Carnot Engine questions are available โ€” build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right โ€” the explanation often surfaces a faster approach you can reuse.

All Carnot Engine Questions(1โ€“7 of 7)

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Q1mediummcqPhysicsNEET (UG) 20172026
0% accuracy
A Carnot engine having an efficiency of as a heat engine, is used as a refrigerator. If the work done on the system is , the amount of energy absorbed from the reservoir at lower temperature is:
Q2mediummcqPhysicsAIEEE 20072026
0% accuracy
A Carnot engine, having an efficiency of as a heat engine, is used as a refrigerator. If the work done on the system is , the amount of energy absorbed from the reservoir at lower temperature is:
Q3mediummcqPhysicsNEET (UG) 20182026
The efficiency of an ideal heat engine working between the freezing point and boiling point of water, is:
Q4mediummcqPhysicsNEET 20232026
A Carnot engine has an efficiency of when its source is at a temperature . The temperature of the sink is:
Q5mediummcqPhysicsAIEEE 20032026
A carnot engine takes of heat from a reservoir at , and gives it to a sink at . The work done by the engine is:
Q6mediummcqPhysicsFIITJEE AIEEE 2011 (Set Q)2026
A Carnot engine operating between temperatures and has efficiency . When is lowered by , its efficiency increases to . Then and are, respectively:
Q7mediummcqPhysicsAIEEE 20122026
A Carnot engine, whose efficiency is , takes in heat from a source maintained at a temperature of . It is desired to have an engine of efficiency . Then, the intake temperature for the same exhaust (sink) temperature must be:

Frequently Asked Questions

How many Carnot Engine questions are on ExamTest.live?โ–ผ
We have 7 Carnot Engine questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Carnot Engine MCQs free?โ–ผ
Yes. All Carnot Engine questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Carnot Engine questions?โ–ผ
Carnot Engine questions are commonly asked in Physics. You can filter by exam using the links above.
How do I practice Carnot Engine questions effectively?โ–ผ
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.