In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.

Process Equipment and Plant Design
In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.

1/10-1/15th

1/5-1/10th

1/2 to 1/4th

1/20-1/30th

1/10-1/15th

1/5-1/10th

1/2 to 1/4th

1/20-1/30th

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Process Equipment and Plant Design
The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)

-q

None of these

-q/(1-q)

-q/(q-1)

-q

None of these

-q/(1-q)

-q/(q-1)

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Process Equipment and Plant Design
Hold up of material in a operating rotary drier is in the range of

0.5 to 0.8

0.25 to 0.50

0.05 to 0.15

0.8 to 0.9

0.5 to 0.8

0.25 to 0.50

0.05 to 0.15

0.8 to 0.9

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a long tube vertical evaporator.

Steam is fed to the shell, whereas the liquor is filled inside the tube

Liquor level is maintained at l/3rd to 1/2 of the height of the tube

None of these

Tube dia is 3-6 cms, while tube length in 3-6 metres

Steam is fed to the shell, whereas the liquor is filled inside the tube

Liquor level is maintained at l/3rd to 1/2 of the height of the tube

None of these

Tube dia is 3-6 cms, while tube length in 3-6 metres

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Process Equipment and Plant Design
Optimum reflux ratio in a continuous distillation column is determined by the

Maximum permissible vapour velocity

None of these

Flooding limit of the column

Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

Maximum permissible vapour velocity

None of these

Flooding limit of the column

Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

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Process Equipment and Plant Design
For high pressure process equipments/vessels, the connected nozzle should be

Brazed

Flanged

Screwed

Welded

Brazed

Flanged

Screwed

Welded

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Process Equipment and Plant Design

Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.

Process Equipment and Plant Design The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)

Process Equipment and Plant Design Hold up of material in a operating rotary drier is in the range of

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a long tube vertical evaporator.

Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the

Process Equipment and Plant Design For high pressure process equipments/vessels, the connected nozzle should be

Process Equipment and Plant Design
In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.

Process Equipment and Plant Design
The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)

Process Equipment and Plant Design
Hold up of material in a operating rotary drier is in the range of

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a long tube vertical evaporator.

Process Equipment and Plant Design
Optimum reflux ratio in a continuous distillation column is determined by the

Process Equipment and Plant Design
For high pressure process equipments/vessels, the connected nozzle should be