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Heat Transfer

Heat Transfer
Correction is applied to LMTD for __________ flow.

None of these
Cross
Parallel
Counter

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Heat Transfer
In forced convection, the Nusselt number is a function of

Re and Sc
Pr and Gr
Re and Pr
Re and Gr

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Heat Transfer
In Fourier's law, the proportionality constant is called the

Thermal conductivity
Heat transfer co-efficient
Thermal diffusivity
Stefan-Boltzman constant

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Heat Transfer
The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8.

20.4
40.4
40.8
20.8

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Heat Transfer
Fourier's law applies to the heat transfer by

convection
conduction
radiation
None of the listed here

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Heat Transfer
__________ heat exchanger is used for chilling oil to be dewaxed.

Double pipe
Floating head
U-tube
Fixed tube

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