It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

Mass Transfer
It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

94 min

15 min

71 min

51 min

94 min

15 min

71 min

51 min

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Mass Transfer
A slurry is to be dried to produce flaky solid. Which dryer would you recommend?

Spray dryer

Dielectric dryer

Drum dryer

Rotary dryer

Spray dryer

Dielectric dryer

Drum dryer

Rotary dryer

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Mass Transfer
For water-ethanol system, the minimum reflux ratio

Cannot be computed

Is computed from the intercept of the operating line

Is the optimum reflux ratio

Is computed from the slope of the upper operating line that is tangent to the equilibrium curve

Cannot be computed

Is computed from the intercept of the operating line

Is the optimum reflux ratio

Is computed from the slope of the upper operating line that is tangent to the equilibrium curve

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Mass Transfer
The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________

2

3

4

1

2

3

4

1

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Mass Transfer
The expression, y(1 - x)/x(1 - y) is for

Murphree efficiency

Relative volatility

Absorption factor

Selectivity

Murphree efficiency

Relative volatility

Absorption factor

Selectivity

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Mass Transfer
The solvent used in liquid-liquid extraction should have __________ less than one.

Selectivity

Distribution co-efficient

Neither A nor B

Both A & B

Selectivity

Distribution co-efficient

Neither A nor B

Both A & B

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Mass Transfer

Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

Mass Transfer A slurry is to be dried to produce flaky solid. Which dryer would you recommend?

Mass Transfer For water-ethanol system, the minimum reflux ratio

Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________

Mass Transfer The expression, y(1 - x)/x(1 - y) is for

Mass Transfer The solvent used in liquid-liquid extraction should have __________ less than one.

Mass Transfer
It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

Mass Transfer
A slurry is to be dried to produce flaky solid. Which dryer would you recommend?

Mass Transfer
For water-ethanol system, the minimum reflux ratio

Mass Transfer
The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________

Mass Transfer
The expression, y(1 - x)/x(1 - y) is for

Mass Transfer
The solvent used in liquid-liquid extraction should have __________ less than one.