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Heat Transfer

Heat Transfer
According to Reynolds analogy, Stanton number is equal to (where, f = Fanning friction factor)

f/4
f
2f
f/2

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Heat Transfer
Heat transfer rate described by Fourier's law will decrease, if the __________ increases.

Temperature difference
Heat transfer area
Thermal conductivity
Thickness

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Heat Transfer
Grashhoff number is given by

gD2βΔtρ/μ²
gD2βΔtP²μ
gD³.β.Δtρ²/μ²
gD³βΔtP²/μ

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Heat Transfer
An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a

regenerator
recuperator
heat exchanger
boiler

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Heat Transfer
Heat flux through several resistances in series in analogous to the current flowing through several.

capacitors in series
none of the listed here
resistances in series
resistances in parallel

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Heat Transfer
Mechanical recompression evaporation is used in the production of

Alcohol
Salt
Fruits jam
Distilled water

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