During a refrigeration cycle, heat is rejected by the refrigerant in a

Question: Black liquor generated during paper manufacture is concentrated in a
[A].

single effect evaporator.

[B].

single effect evaporator followed by a crystalliser.

[C].

multiple effect evaporator.

[D].

multiple effect evaporators followed by a crystalliser.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Corrosiveness of steam condensate is due to the presence of
[A].

CO2

[B].

dissolved O2

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Question: Heat exchanger tubes are never made of
[A].

plain carbon steel

[B].

stainless steel

[C].

lead

[D].

copper

Answer: Option C

Explanation:

No answer description available for this question.