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Heat Transfer

Heat Transfer
Steam economy in case of a triple effect evaporator will be

< 1
1
> 1
Between 0 and 1

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Heat Transfer
During crystallisation, formation of crystal can occur in __________ solution only.

Saturated
Supersaturated
All of these
Undersaturated

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Heat Transfer
Heat transfer co-efficient (h1) for liquids increases with

Decreasing temperature
None of these
Decreasing Reynolds number
Increasing temperature

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Heat Transfer
Prandtl and Reynold's analogies are identical for Prandtl number value of

5
1
0.5

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Heat Transfer
It is not preferable to use superheated steam in evaporators, because of its very

high pressure
high temperature
none of the listed here
low film co-efficient

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Heat Transfer
Temperature profile in steady state heat transfer is

none of the listed here
hyperbolic
Linear
parabolic

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