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%).

51 min

71 min

15 min

94 min

51 min

71 min

15 min

94 min

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Mass Transfer
In case of a desorber (stripper), the

Operating line always lies above the equilibrium curve

Temperature always increases

Temperature remains unaffected

Operating line always lies below the equilibrium curve

Operating line always lies above the equilibrium curve

Temperature always increases

Temperature remains unaffected

Operating line always lies below the equilibrium curve

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Mass Transfer
During constant rate period, the rate of drying decreases with the

Increase in air humidity

Both A & B

Neither A nor B

Decrease in air temperature

Increase in air humidity

Both A & B

Neither A nor B

Decrease in air temperature

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Mass Transfer
Which of the following is not a continuous leaching equipment?

Hydrocyclones

Pachuka tank

Bollman extractor

Kennedy extractor

Hydrocyclones

Pachuka tank

Bollman extractor

Kennedy extractor

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Mass Transfer
The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

G/mL

ML/G

LG/m

L/mG

G/mL

ML/G

LG/m

L/mG

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Mass Transfer
Which of the following assumes constant molal vaporisation and overflow?

Enthalpy concentration method

McCabe-Thiele method

Ponchan-Savarit method

Plate absorption column

Enthalpy concentration method

McCabe-Thiele method

Ponchan-Savarit method

Plate absorption column

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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 In case of a desorber (stripper), the

Mass Transfer During constant rate period, the rate of drying decreases with the

Mass Transfer Which of the following is not a continuous leaching equipment?

Mass Transfer The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

Mass Transfer Which of the following assumes constant molal vaporisation and overflow?

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
In case of a desorber (stripper), the

Mass Transfer
During constant rate period, the rate of drying decreases with the

Mass Transfer
Which of the following is not a continuous leaching equipment?

Mass Transfer
The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

Mass Transfer
Which of the following assumes constant molal vaporisation and overflow?