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Heat Transfer

Heat Transfer
__________ heat exchanger is used for chilling oil to be dewaxed.

Double pipe
U-tube
Fixed tube
Floating head

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Heat Transfer
jH factor for heat transfer depends upon the __________ number.

Prandtl
Nusselt
Biot
Reynolds

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Heat Transfer
In case of heat flow by conduction for a cylindrical body with an internal heat source, the nature of temperature distribution is

None of these
Parabolic
Linear
Hyperbolic

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Heat Transfer
Multiple effect evaporators are commonly used in the manufacture of P. Paper Q. Superphosphate R. Sugar S. Fats

P and Q
R and S
P and S
P and R

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Heat Transfer
The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.

Half
Lower than
Greater than
Is same as

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

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

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