A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,

Mass Transfer
A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,

The top and bottom compositions correspond to the maximum enrichment available

Composition of vapors and that of liquid do not vary throughout the column

Reboiler load and condenser load are minimum

The top and bottom compositions are unchanged with and without total reflux

The top and bottom compositions correspond to the maximum enrichment available

Composition of vapors and that of liquid do not vary throughout the column

Reboiler load and condenser load are minimum

The top and bottom compositions are unchanged with and without total reflux

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Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

< 1

> 1

1

< 1

> 1

1

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Mass Transfer
With increase in temperature, the leaching rate increases because of the

Increased diffusivity

Decreased viscosity of liquid

None of the listed here

Both Decreased viscosity of liquid & Increased diffusivity

Increased diffusivity

Decreased viscosity of liquid

None of the listed here

Both Decreased viscosity of liquid & Increased diffusivity

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Mass Transfer
A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process?

Humidity of inlet air

Temperature of the solid

Flow rate of inlet air

Relative humidity of outlet air

Humidity of inlet air

Temperature of the solid

Flow rate of inlet air

Relative humidity of outlet air

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Mass Transfer
The cooling effect in a cooling tower can not be increased by

Lowering the barometric pressure

Reducing the humidity of entering air

Increasing the air velocity over the wet surfaces

None of these

Lowering the barometric pressure

Reducing the humidity of entering air

Increasing the air velocity over the wet surfaces

None of these

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Mass Transfer
Henry's law states that the

Partial pressure of a component over a solution is proportional to its mole fraction in the liquid

Partial pressure is equal to the product of the mole fraction and total pressure

Vapour pressure is equal to the product of the mole fraction and total pressure

Partial pressure of a component over a solution is proportional to the mole fraction in the vapour

Partial pressure of a component over a solution is proportional to its mole fraction in the liquid

Partial pressure is equal to the product of the mole fraction and total pressure

Vapour pressure is equal to the product of the mole fraction and total pressure

Partial pressure of a component over a solution is proportional to the mole fraction in the vapour

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Mass Transfer

Mass Transfer A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,

Mass Transfer The-relative volatility for separation of a non-ideal binary mixture by distillation should be

Mass Transfer With increase in temperature, the leaching rate increases because of the

Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process?

Mass Transfer The cooling effect in a cooling tower can not be increased by

Mass Transfer Henry's law states that the

Mass Transfer
A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,

Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

Mass Transfer
With increase in temperature, the leaching rate increases because of the

Mass Transfer
A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process?

Mass Transfer
The cooling effect in a cooling tower can not be increased by

Mass Transfer
Henry's law states that the