Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion
Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 3 (Q.No. 18)
18.
When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be
Discussion:
5 comments Page 1 of 1.
JITESH said:
6 years ago
Due to convection, there will be no heat transfer as the temperature of the body is less than the surrounding.
Venu said:
7 years ago
I agree @Samir.
Samir said:
8 years ago
That is mathamically right. But as per second law of thermodynamics is wrong because heat transfer is only from high temperature to low temperature.
Vedanti said:
8 years ago
Absolutely right @Ashok.
Ashok kumar said:
10 years ago
Generally heat flows from a body at high temperature to a body at low temperature. In this case heat flow be positive. In the question heat is flowing from low temperature body to high temperature body so, heat flow will be negative.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers