# Which of the following statements is correct ? with Answer - Mechanical Engineering Mcqs | TestPrep

> Solved MCQ: Which of the following statements is correct ? Correct Answer: D. All reversible engines working between same temperature limits have same-efficiency. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Which of the following statements is correct ?

Direct Answer & Quick Reference

The correct option is **D. All reversible engines working between same temperature limits have same-efficiency**.

A. All the irreversible engines have same efficiency

B. All the reversible engines have same efficiency

C. Both Rankine and Caront cycles have same efficiency between same temperature limits

D. All reversible engines working between same temperature limits have same-efficiency **(Correct Answer)**

E. Between same temperature limits, both petrol and diesel engines have same efficiency

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Verified Key: D. All reversible engines working between same temperature limits have same-efficiency
Solved by 5,567+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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