Mass Transfer
Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.

None of these
Freeze
Indirect tray
Spray

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Mass Transfer
Heat load in a cooling tower

Is equal to the number of kg, of water circulated times the cooling range
Neither A nor B
Means the amount of heat thrown away (KCal/hr.) by the cooling tower
Both A & B

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Mass Transfer
In case of absorption with exothermic reaction, for fluids having

Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same
Both A & B
Pr = Sc ; there won
Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence

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