Dose of chlorine for disinfection of water is about __________ mg/litre of water.

Question: Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by
[A].

eddies current

[B].

conduction

[C].

convection

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: In a heat exchanger, floating head is provided to
[A].

facilitate cleaning of the exchanger.

[B].

increase the heat transfer area.

[C].

relieve stresses caused by thermal expansion.

[D].

increase log mean temperature gradient.

Answer: Option C

Explanation:

No answer description available for this question.