Mechanical Engineering - Thermodynamics - Discussion

Discussion Forum : Thermodynamics - Section 6 (Q.No. 45)
45.
The change of entropy, when heat is removed from the gas, is positive.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Krish said:   6 years ago
In the universe, it is always positive (either heat removed/added).

But, for a system, it is positive while heat is added and negative when heat is removed.

Naresh kirpan said:   7 years ago
When heat is removed from the gas it is negative.

Gaurav said:   1 decade ago
Ds = DQ/T, Heat is removed so DQ < 0 so Ds < 0.

Post your comments here:

Your comments will be displayed after verification.