Rain drops falling through atmospheric air attain limited terminal velocity, because of ____________________?

Question: In chemical dehumidification of air
[A].

both specific humidity & dry bulb temperature increases.

[B].

both specific humidity & dry bulb temperature decreases.

[C].

specific humidity decreases & dry bulb temperature increases.

[D].

specific humidity increases & dry bulb temperature decreases.

Answer: Option C

Explanation:

No answer description available for this question.

Question: In spite of large heat transfer co-efficients in boiling liquids, fins are used advantageously, where the entire surface is exposed to __________ boiling.
[A].

film

[B].

nucleate

[C].

transition

[D].

all modes of

Answer: Option D

Explanation:

No answer description available for this question.

Question: Machinability of hard alloys and tool steels is improved by
[A].

spherodising

[B].

annealing

[C].

tempering

[D].

normalising

Answer: Option B

Explanation:

No answer description available for this question.