PYQ Vault

Carnot engine: heat absorbed, work done or output power from its efficiency

This type of question, asked 4 times: 10 May 2023 S2, 13 May 2024 S2, 12 May 2026 S2, 19 May 2026 S2. All 4 questions below, oldest first.

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  1. Question 1

    10 May 2023 S2

    40
    A Carnot's cycle operating between TH=600T_H = 600 K and TC=300T_C = 300 K produces 1.5 kJ of mechanical work per cycle. The heat transferred to the engine by the reservoir is

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  2. Question 2

    13 May 2024 S2

    28
    A carnot engine operates with source at 227∘C227^\circ\text{C} and sink at 27∘C27^\circ\text{C}. If the source supplies 50 kJ of heat energy, the work done by the engine is

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  3. Question 3

    12 May 2026 S2

    113
    An ideal gas heat engine operate in Carnot cycle between 327∘C327^\circ C and 227∘C227^\circ C. It absorbs 6×1046 \times 10^4 cal of heat at higher temperature. How much is the amount of heat converted in to work?

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  4. Question 4

    19 May 2026 S2

    115
    A Carnot engine has an efficiency of 30%30\%. The energy is supplied to the engine at the rate of 33 kW. The output power of the engine is

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