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Chemical Engineering - Heat Transfer

Exercise : Heat Transfer - Section 4
36.
For specified tube outside diameter, higher BWG means higher
tube thickness
cross-sectional area
weight per unit length
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Pick out the wrong statement.
Swenson-Walker crystalliser is a batch crystalliser.
Super saturation of the solution is the driving potential for a crystal growth.
The liquor left after the removal of crystals from a solution is called mother liquor.
The first stage of crystal formation is called nucleation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased.
velocity of circulation
liquor-film co-efficient
both (a) and (b)
neither (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second.
3 x l05
3 x l08
3 x l010
3 x l012
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Heat flux is the time rate of heat transfer per unit
length
area
volume
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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