A material is capable of resisting softening at high temperature, because of its property termed as

Question: Heat exchangers operating, when the asymptotic range is reached,
[A].

provide very large heat transfer co-efficient.

[B].

results in making part of the heating surface inactive.

[C].

results in abruptly increased velocity.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Choose the correct equation.
[A].

Nu = (Re) (Pr) (Gz)

[B].

Nu = (Re) (Pr) (St)

[C].

Nu = (Re)(Pr)

[D].

Nu = (Pr)(St)

Answer: Option B

Explanation:

No answer description available for this question.