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HEAT TRANSFER

Heat Transfer
The unit of heat transfer co-efficient in SI unit is

W/m2°K
W/m°K
J/M2°K
J/m°K

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Heat Transfer
Economy of a multiple effect evaporator is not influenced much by the

rate of heat transfer
temperature of the feed
boiling point elevations
ratio of the weight of the thin liquor to thick liquor

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

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

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

radiation
None of the listed here
conduction
convection

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Heat Transfer
With increase in temperature, the thermal conductivity of non-metallic amorphous solids

decreases
None of the listed here
remains same
increases

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