Heat and Thermodynamics · UPSC CDS/OTA · Question 8 of 30

Heat and Thermodynamics – Question 8

Step-by-step solution. Heat and Thermodynamics for UPSC CDS/OTA.

Topic
Heat and Thermodynamics
Subject
General Studies
Difficulty
Medium
Solve Time
45–60 sec

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Q · Heat and ThermodynamicsMedium · 45s

Which of the following is true for a Carnot engine?

TopicHeat and Thermodynamics
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min

Step-by-Step Solution

The complete worked solution.

Every step explained — no skipped algebra.

Carnot engine is the idealised engine with maximum possible efficiency for given T₁ & T₂.

Final Answer: Option B — It has maximum possible efficiency for given temperatures.
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Heat and Thermodynamics Question 8 – UPSC CDS/OTA