Tea percolation employs

Mass Transfer
Tea percolation employs

Leaching

None of these

Liquid-liquid extraction

Absorption

Leaching

None of these

Liquid-liquid extraction

Absorption

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Mass Transfer
Pick out the wrong statement pertaining to the rotary dryer.

Flights (located in the inside shell of rotary dryer) lift the material being dried and shower it down through the current of hot air/gases. It extends from the wall to a distance which is about 8-12%

Hold up of a rotary drier is defined as the fraction of the dryer volume occupied by the solid at any instant. The best performance for rotary drier is obtained, when the hold up is in the range of 0.

Rotary dryer is suitable for drying sticky material

Recommended peripherial speed of a rotary drier is in the range of 10 to 30 metres/minute

Flights (located in the inside shell of rotary dryer) lift the material being dried and shower it down through the current of hot air/gases. It extends from the wall to a distance which is about 8-12%

Hold up of a rotary drier is defined as the fraction of the dryer volume occupied by the solid at any instant. The best performance for rotary drier is obtained, when the hold up is in the range of 0.

Rotary dryer is suitable for drying sticky material

Recommended peripherial speed of a rotary drier is in the range of 10 to 30 metres/minute

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Mass Transfer
During drying of a solid, the critical moisture content increases with

Both B and C

Increased thickness of the solid

Increased drying rate

Decreased drying rate

Both B and C

Increased thickness of the solid

Increased drying rate

Decreased drying rate

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Mass Transfer
A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is

0.54

1.24

1.04

1.94

0.54

1.24

1.04

1.94

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Mass Transfer
For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because

Water has a high latent heat of evaporation

They are always equal under all circumstances

Lewis number is close to unity

Solubility of the components of air in water is very small

Water has a high latent heat of evaporation

They are always equal under all circumstances

Lewis number is close to unity

Solubility of the components of air in water is very small

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Mass Transfer
Absorption accompanied by heat evolution results in

Increase in equilibrium solubility

Decrease in equilibrium solubility

Increased capacity of the absorber

None of these

Increase in equilibrium solubility

Decrease in equilibrium solubility

Increased capacity of the absorber

None of these

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Mass Transfer

Mass Transfer Tea percolation employs

Mass Transfer Pick out the wrong statement pertaining to the rotary dryer.

Mass Transfer During drying of a solid, the critical moisture content increases with

Mass Transfer A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is

Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because

Mass Transfer Absorption accompanied by heat evolution results in

Mass Transfer
Tea percolation employs

Mass Transfer
Pick out the wrong statement pertaining to the rotary dryer.

Mass Transfer
During drying of a solid, the critical moisture content increases with

Mass Transfer
A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is

Mass Transfer
For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because

Mass Transfer
Absorption accompanied by heat evolution results in