For pipes that must be broken at intervals for maintenance, the connector used should be a/an

Question: In case of surface condensers, a straight line is obtained on plotting __________ on an ordinary graph paper.
[A].

1/-0.8

[B].

-0.8

[C].

-2

[D].

1/-2

Answer: Option A

Explanation:

No answer description available for this question.

Question: A perfect black body is a perfect __________ of radiation.
[A].

absorber

[B].

emitter

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.