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Heat Transfer

Heat Transfer
The equation, Nst = f/2, is the __________ analogy.

None of these
Colburn
Reynolds
Prandtl

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Heat Transfer
Heat sensitive materials can be concentrated in an evaporator employing

Vacuum
High pressure
High residence time
None of these

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Heat Transfer
The separation of liquid droplets from the vapor is done by a/an __________ , in the evaporators.

Compressor
Vacuum pump
Steam ejector
Entrainment separator

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Heat Transfer
In a multiple effect evaporator, the effect of boiling point elevation is to

increase the economy
all of the listed here
reduce the capacity
reduce the economy

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Heat Transfer
Which of the following has the minimum thermal conductivity?

Carbon black
Steel
Nitrogen
Tar

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Heat Transfer
The unit of conductance in SI unit is

W/m
W/m°K
W/°K
W/m²

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