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Heat Transfer

Heat Transfer
Reynold's analogy states that

NRe α f
NNu α f
Nst α NRe
Nst α f

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Heat Transfer
(NRe.NPr)(D/L) is called the __________ number

Stanton
None of these
Peclet
Graetz

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Heat Transfer
Nusselt number (for forced convection heat transfer) is a function of the __________ number.

Both Reynolds & Prandtl
Reynolds
None of the listed here
Prandtl

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Heat Transfer
Vent pipes are provided in a condenser to

Remove non-condensable gases
Facilitate easy cleaning of tubes
Purge the condenser
None of these

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Heat Transfer
A graph between __________ is called Wilson plot.

1/U Vs . 1/v0.8
1/v0.8 Vs . U
V0.8 Vs . U
1/U Vs . 1/V

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Heat Transfer
Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water.

Thermal conductivity
Viscosity
Boiling point (at the same pressure)
Density

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