__________________ of air does not increase with increase in temperature?

Question: While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the
[A].

low impact strength.

[B].

high flexibility.

[C].

better finish and surface appearance.

[D].

high plastic deformation.

Answer: Option A

Explanation:

No answer description available for this question.

Question: With increase in temperature, the electrical conductivity of semiconductors
[A].

increases.

[B].

decreases.

[C].

remain constant.

[D].

either (a) or (b), depends on the type of semi-conductor.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Pellets are not as popular a burden as sinter in the iron blast furnace, because of their
[A].

shape.

[B].

swelling tendency.

[C].

poor reducibility.

[D].

low mechanical strength.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Materials having __________ lattice structure are usually the most ductile.
[A].

body centred cubic (bcc)

[B].

hexagonal close packed (hcp)

[C].

face centred cubic (fcc)

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.