Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to ________________ boiling ?

Question: Carborundum consists mainly of
[A].

bauxite

[B].

silicon carbide

[C].

boron carbide

[D].

calcium carbide

Answer: Option B

Explanation:

No answer description available for this question.

Question: Kaoline is a/an
[A].

refractory material

[B].

synthetic resin

[C].

artificial abrasive

[D].

blue pigment

Answer: Option A

Explanation:

No answer description available for this question.

Question: Dacron is a
[A].

condensation product of hexam-ethylene diamine and adipic acid.

[B].

thermosetting material.

[C].

condensation product of dimethyl terephthalate and ethylene glycol.

[D].

none of these.

Answer: Option D

Explanation:

No answer description available for this question.