# According to Clausis statement of second law of thermodynamics _____ ? with Answer - Mechanical Engineering Mcqs | TestPrep

> Solved MCQ: According to Clausis statement of second law of thermodynamics _____ ? Correct Answer: D. heat can’t be transferred from low temperature to high temperature source without the aid of external energy. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# According to Clausis statement of second law of thermodynamics _____ ?

Direct Answer & Quick Reference

The correct option is **D. heat can’t be transferred from low temperature to high temperature source without the aid of external energy**.

A. heat can’t be transferred from low temperature source to high temperature source

B. heat can be transferred for low temperature to high temperature source by using refrigeration cycle.

C. heat can be transferred from low temperature to high temperature source if COP of process is more than unity

D. heat can’t be transferred from low temperature to high temperature source without the aid of external energy **(Correct Answer)**

E. all of the above

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Verified Key: D. heat can’t be transferred from low temperature to high temperature source without the aid of external energy
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Verified against official examination board answer keys and standard curriculum textbooks.

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