An ideal Diesel cycle consists of the following processes:

Question

BlackTom AI · Accepted Answer

The question asks about the sequence of processes in an ideal Diesel cycle. For clarity, the Diesel cycle comprises four distinct processes in order: 1) isentropic (reversible adiabatic) compression, 2) constant-pressure (isobaric) heat addition, 3) isentropic expansion, and 4) constant-volume (isochoric) heat rejection.

Option analysis:
- The provided option states: 'Isentropic compression isobaric heat addition isentropic expansion isochoric heat removal.' This matches exactly the standard Diesel cycle sequence: first a reversible adiabatic compression, then heating at constant pressure, followed by reversible adiabatic expansion, and finally heat rejection at constant volume. Each descriptor aligns with the respective stage of the cycle, and the order is correct, which makes this option correct.

No alternative options are presented here to evaluate, so we cannot critique other choices directly. However, in general, common incorrect formulations would mix up the heat addition or heat rejection conditions (for Diesel, heat addition must be at constant pressure, not at constant volume, and heat rejection must occur at constant volume, not at constant pressure), or would alter the sequence order (for example, placing heat rejection before expansion or compression, which would not represent the Diesel cycle).

In summary, the described sequence in the option corresponds precisely to the canonical four processes of an ideal Diesel cycle in the correct order.

BH20A0720 Engineering Thermodynamics - Blended teaching 2.9.2024-15.12.2024 Quiz 10

An ideal Diesel cycle consists of the following processes:

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