Q. A heat engine is a device
A) Which converts mechanical energy into heat energy
B) Which converts heat energy into mechanical energy
C) Absorbs heat from a sink at a lower temperature and rejects to the source at high temperature
D) None of the above
Explanation
(b) Heat engine is a device which converts heat into work (mechanical energy) continuously through a cyclic process.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.