Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion


The heat transfer from a hot body to a cold body is directly proportional to the surface area and difference of temperatures between the two bodies. This statement is called

[A]. First law of thermodynamics
[B]. Newton's law of cooling
[C]. Newton's law of heating
[D]. Stefan's law

Answer: Option B


No answer description available for this question.

Omkar said: (Feb 17, 2017)  
This statement is stated by BOYLE'S LAW.

Akash Kumar said: (Apr 4, 2017)  
Here, Q = hA (delta T).

Anurup said: (May 5, 2017)  
The Given answer is correct. Formulae is Q = h. a. (t1 - t2).

Omkar said: (Jan 10, 2022)  
It is called Newton's law of heating or cooling? Please explain in detail.

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