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Heat Transfer

Heat Transfer
Heat flux is the time rate of heat transfer per unit

volume
none of the listed here
area
length

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

None of the listed here
IR2
I2R
IR

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Heat Transfer
Which of the following is concerned with both heat and mass transfer ?

Nusselt number
Froude number
Lewis relationship
Kutateladze number

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Heat Transfer
Small scale evaporation is done in a

Heat exchanger
Condenser
Multiple effect evaporator
Steam jacketed kettle

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Heat Transfer
The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law.

Planck's
Wien's displacement
None of these
Stefan-Boltzman's

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Heat Transfer
Increasing the liquor level in the evaporator results in the

decreased effect of hydrostatic head
decreased capacity
increase in liquor film co-efficient
increased true temperature drop

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