IndiaBIX

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

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 1 (Q.No. 3)
Heat Transfer, Refrigeration and Air Conditioning
3.
Which of the following statement is wrong?
The heat transfer in liquid and gases takes place according to convection.
The amount of heat flow through a body is dependent upon the material of the body.
The thermal conductivity of solid metals increases with rise in temperature,
Logarithmic mean temperature difference is not equal to the arithmetic mean temperature difference.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
31 comments Page 4 of 4.
Dwaipayan said:   6 years ago
LMTD=MTD is valid only when both the fluids in the heat exchanger are subjected to phase change only.

So option D is not correct.
(1)
Post your comments here:

Your comments will be displayed after verification.

Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers