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.

1/2 to 1/4th

1/5-1/10th

1/20-1/30th

1/10-1/15th

1/2 to 1/4th

1/5-1/10th

1/20-1/30th

1/10-1/15th

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Process Equipment and Plant Design
Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method

All of these

Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method

Accounts for the enthalpy changes in the process

Is more accurate in finding the number of equilibrium stages

All of these

Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method

Accounts for the enthalpy changes in the process

Is more accurate in finding the number of equilibrium stages

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Process Equipment and Plant Design
The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.

Equal to

One fourth

Half

Three fourth

Equal to

One fourth

Half

Three fourth

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Process Equipment and Plant Design
Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter.

1.5 to 2

10 to 15

2.5 to 5

5 to 10

1.5 to 2

10 to 15

2.5 to 5

5 to 10

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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

0.05 to 0.15

0.8 to 0.9

0.25 to 0.50

0.5 to 0.8

0.05 to 0.15

0.8 to 0.9

0.25 to 0.50

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Process Equipment and Plant Design
In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio.

1.1 to 1.5

2.7 to 3

2.2 to 2.6

1.6 to 2

1.1 to 1.5

2.7 to 3

2.2 to 2.6

1.6 to 2

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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 Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method

Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.

Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter.

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

Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio.

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
Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method

Process Equipment and Plant Design
The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.

Process Equipment and Plant Design
Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter.

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

Process Equipment and Plant Design
In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio.