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Heat Transfer

Heat Transfer
Open pan evaporators are preferred to be used, when the solution to be concentrated is

Salty
Scaling
Corrosive
Highly viscous

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Heat Transfer
(Cp . μ)/K is termed as the __________ number.

Grashoff
Prandtl
Nusselt
Stanton

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Heat Transfer
As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient

continues to increase
continues to decrease
goes through a maximum.
goes through a minimum

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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, Pr
Re.Gz
Nu, Gz

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Heat Transfer
The equivalent diameter for pressure drop is __________ that for heat transfer

None of the listed here
greater than
equal to
smaller than

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Heat Transfer
In natural convection heat transfer, the correlating parameter is the

Graetz number
Grashoff number
Bond number
Eckert number

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MORE MCQ ON Heat Transfer

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