GATE ME 2020 Set 2 — Question 27

MCQ+1 / -0.33EasyOtto, Diesel & Dual CyclesIC EnginesThermodynamics

Thermodynamics → IC Engines → Otto, Diesel & Dual Cycles

Last updated 5 September 2026

Question

For an air-standard Diesel cycle,

Correct answer (C) heat addition is at constant pressure and heat rejection is at constant volume Solution The air-standard Diesel cycle consists of four processes: 1. Isentropic compression 2. Constant pressure heat addition 3. Isentropic expansion 4. Constant volume heat rejection Therefore, heat addition is at constant pressure and heat rejection is at constant volume. Turn this into a strength. Explore AI-powered practice and doubt support with Success Tracker.

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Correct answer (C) heat addition is at constant pressure and heat rejection is at constant volume Solution The air-standard Diesel cycle consists of four processes: 1. Isentropic compression 2. Constant pressure heat addition 3. Isentropic expansion 4. Constant volume heat rejection Therefore, heat addition is at constant pressure and heat rejection is at constant volume.

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