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Heat Transfer

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

Stanton
Grashoff
Nusselt
Prandtl

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Heat Transfer
The Stefan-Boltzman constant depends on the

Surface
None of these
Temperature
Medium

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Heat Transfer
Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling?

Triangular pitch
Square pitch
None of these
Diagonal square pitch

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Heat Transfer
Economy of an evaporator is influenced by the

Number of effect
Feed temperature
Both B & C
Steam pressure

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Heat Transfer
The non-dimensional temperature gradient in a liquid at the wall of a pipe is the

Prandtl number
Schmidt number
Heat flux
Nusselt number

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Heat Transfer
In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger.

Twice
Once
Thrice
Four times

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