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

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

They are always equal under all circumstances

Water has a high latent heat of evaporation

Lewis number is close to unity

Solubility of the components of air in water is very small

They are always equal under all circumstances

Water has a high latent heat of evaporation

Lewis number is close to unity

Solubility of the components of air in water is very small

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Mass Transfer
For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.

Binary mixture is represented by any point inside

Pure component is represented by the apex

Ternery mixture is represented by the sides

Binary mixture is represented by the apex

Binary mixture is represented by any point inside

Pure component is represented by the apex

Ternery mixture is represented by the sides

Binary mixture is represented by the apex

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Mass Transfer
Dimension of mass diffusivity is the same as that of

Pressure

Surface tension

Dynamic viscosity

Kinematic viscosity

Pressure

Surface tension

Dynamic viscosity

Kinematic viscosity

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Mass Transfer
During the constant rate period of drying of a solid,

None of these

Increasing the air temperature decreases the drying rate

Increased air humidity decreases the rate of drying

Surface evaporation of unbound moisture occurs

None of these

Increasing the air temperature decreases the drying rate

Increased air humidity decreases the rate of drying

Surface evaporation of unbound moisture occurs

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Mass Transfer
Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a

Higher wet bulb temperature

Higher dew point

Higher absolute (specific) humidity

Higher relative humidity

Higher wet bulb temperature

Higher dew point

Higher absolute (specific) humidity

Higher relative humidity

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Mass Transfer
The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate.

Across

Neither A nor B

Above

Both A & B

Across

Neither A nor B

Above

Both A & B

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Mass Transfer

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 For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.

Mass Transfer Dimension of mass diffusivity is the same as that of

Mass Transfer During the constant rate period of drying of a solid,

Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a

Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate.

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
For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.

Mass Transfer
Dimension of mass diffusivity is the same as that of

Mass Transfer
During the constant rate period of drying of a solid,

Mass Transfer
Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a

Mass Transfer
The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate.