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Mass Transfer

Mass Transfer
Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.

50
100
None of these
78

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Mass Transfer
Large scale drying of sugar is done in a __________ dryer.

Truck
Spouted bed
Rotary
Tray

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Mass Transfer
Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature)

Log P vs . T
T vs . P
Log P vs. log T
P vs . log T

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Mass Transfer
At minimum reflux ratio for a given separation

Separation is most efficient
Number of plates is zero
Minimum number of the theoretical plates is required
Number of plates is infinity

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Mass Transfer
Azeotropic distillation is employed to separate

Constant boiling mixture
High boiling mixture
Mixture with very high relative volatility
Heat sensitive materials

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Mass Transfer
The reciprocal of stripping factor is termed as

Murphree efficiency
Selectivity index
Relative volatility
Absorption factor

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