MDCAT Physics MCQ #3424

MDCAT Physics MCQ #3424

1. Question 1

   Q1. What is the primary function of a heat engine's 'sink'?

   • A) To supply heat to the engine
   • B) To absorb excess heat from the engine
   • C) To do work on the surroundings
   • D) To increase the engine's efficiency

   Answer: To absorb excess heat from the engine

   Explanation: The sink absorbs excess heat, allowing the engine to operate in a cycle; it doesn't supply heat or do work.