How does the efficiency of the Diesel cycle change when the cutoff ratio is reduced?

Thermodynamics MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Thermodynamicsmechanical-engineering-mcqs › thermodynamics
Published
26 Jan 2019
Last updated
28 May 2026

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Explanation

Reducing the cutoff ratio in a Diesel cycle leads to an increase in its efficiency. This is because a lower cutoff ratio means less fuel is injected during the constant pressure process, improving thermal efficiency.

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