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Heat Transfer

Heat Transfer
Agitated film evaporator is suitable for concentrating __________ liquids.

Very thin
Viscous
Corrosive
Foaming

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Heat Transfer
Prandtl and Reynolds analogy are same, when Prandtl number is

1
1.5
0.5
> 2

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Heat Transfer
Baffles are provided in heat exchangers to increase the

Heat transfer co-efficient
Heat transfer rate
Heat transfer area
Fouling factor

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Heat Transfer
Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second.

3 x l05
3 x l010
3 x l012
3 x l08

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Heat Transfer
Radiation heat transfer rates does not depend upon the

distance between the heat source and the object receiving the heat
type of absorbing surface
none of the listed here
surface area and temperature of the heat source

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Heat Transfer
__________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side.

U-tube
Three pass, fixed tube sheet
Single pass, fixed tube sheet
None of these

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