Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

Question: Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator.
[A].

long tube

[B].

falling film

[C].

high pressure

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased.
[A].

velocity of circulation

[B].

liquor-film co-efficient

[C].

both (a) and (b)

[D].

neither (a) and (b)

Answer: Option D

Explanation:

No answer description available for this question.