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HEAT TRANSFER

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

W/m°K
J/M2°K
J/m°K
W/m2°K

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

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

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

conduction
radiation
None of the listed here
convection

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

remains same
decreases
None of the listed here
increases

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