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Heat Transfer

Heat Transfer
__________ equation relates the thermal conductivity of a solid to its temperature.

Kopp's
Antonie
Lee's
Kistyakowski

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

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

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Heat Transfer
The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are

Nu, Pr, Re
Nu, Gz
Nu, Pr
Re.Gz

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Heat Transfer
Analogy between mass and heat transfer is not applicable in case of

Both B and C
Thermal or pressure mass diffusion
Viscous heating or chemical reaction
Same velocity profile or equal eddy diffusivities

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Heat Transfer
The absorptivity of a body is equal to its emissivity

under thermal equilibrium
for circular bodies
none of the listed here
at a particular temperature

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Heat Transfer
Sensible heat of hot industrial flue gases can not be recovered by a/an

Regenerator
Economiser
Ceramic recuperator
None of these

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