Allied & ICAR Exam Bank • ALLIED_1135 NAT • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Carnot Cycle

Question Statement:

A heat engine operates between source temperature $T_H = 600\text{ K}$ and sink temperature $T_L = 300\text{ K}$. The maximum theoretical Carnot thermal efficiency of the engine (in %) is:

Answer Key:

50

Step-by-Step Solution & Explanation

$\eta_{Carnot} = 1 - \frac{T_L}{T_H} = 1 - \frac{300}{600} = 0.50$ or $50\%$.
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