Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 1 (Q.No. 30)
30.
Presence of a non-condensing gas in a condensing vapour
increases the rate of condensation.
decreases thermal resistance.
is desirable to increase the film co-efficient.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
9 comments Page 1 of 1.

Chetan said:   6 years ago
Presence of air is decrease rate of condensation.

Akhilesh said:   7 years ago
It Decreases the rate of condensation because too much excess inert accumulated in the exchanger.

Syed Umar Husnain Bukhari said:   7 years ago
Yes, it decreases the rate of condensation.

Utpal said:   8 years ago
It caused increased in thermal resistance due to the presence of non condensing vapour.

Suraj said:   9 years ago
Yes, decrease at the surface using vapour condense.

Shekhar kumar said:   10 years ago
Yes decrease the rate of condensation is the right answer.

Sandeep said:   1 decade ago
Yes decrease the rate.

Ani Rude said:   1 decade ago
Decreases the rate of condensation.

Nihar said:   1 decade ago
Then what is a effect of presence of non-condensing gas in a condensing vapour?

Post your comments here:

Your comments will be displayed after verification.