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Heat Transfer

Heat Transfer
1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C.

None of these
1
4.88
1.49

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

Peclet
Graetz
Stanton
None of these

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Heat Transfer
Heat produced when a steady state current, I passes through an electrical conductor having resistance, 'R' is

IR
IR2
None of the listed here
I2R

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Heat Transfer
In case of heat flow by conduction for a cylindrical body with an internal heat source, the nature of temperature distribution is

Parabolic
Linear
Hyperbolic
None of these

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Heat Transfer
Heat sensitive materials can be concentrated in an evaporator employing

High pressure
Vacuum
None of these
High residence time

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

conduction
convection
radiation
None of the listed here

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