alleryA device converting heat to work through a cyclic process is a:
AHeat pipe
BHeat engine
CHeat sink
DHeat shield
Answer & Solution
Correct answer: B. Heat engine
1. The working substance is taken round a cycle.
2. Each cycle turns some heat into useful work.
3. That device is a heat engine.
_Source: syllabus Physics Part II, Chapter 12, Thermodynamics._
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