Thermodynamics
Class 11 · Thermodynamics · Practice
Heat Engine Cycle — Previous-Year Questions
5 previous-year questions on Heat Engine Cycle, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.
Q1. Heat engine takes 500 J from hot reservoir and dumps 350 J to cold. Efficiency:
JEE 2022Q2. Real engine efficiency vs Carnot efficiency:
JEE 2021Q3. Heat engine cannot convert 100% heat to work because:
JEE 2020Q4. Maximum efficiency between T_h = 600 K and T_c = 300 K:
JEE 2019Q5. Why do cars have a radiator?
JEE 2018Heat Engine Cycle previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 11 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.