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Heat Transfer

Heat Transfer
In forced convection, the heat transfer depends on

Re, Pr
mainly Gr
none of the listed here
Re, Gr

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Heat Transfer
Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is

0.72
83
18
4.364

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Heat Transfer
Maximum heat transfer rate is achieved in __________ flow.

Turbulent
Counter-current
Co-current
Laminar

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Heat Transfer
The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy.

None of these
Colburn
Reynolds
Prandtl

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Heat Transfer
In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is

None of these
Infinity
Zero
Same as average heat transfer co-efficient for tube side

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Heat Transfer
Which is the most suitable for the concentration of foamy & frothy liquors?

None of these
Open pan evaporator
Long tube vertical evaporator
Agitated film evaporator

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MORE MCQ ON Heat Transfer

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