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.

1/20-1/30th

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

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Process Equipment and Plant Design
An underdesigned steam trap will

None of these

Waste steam

Destroy itself of acceleration wear due to rapid recycling

Back up condensate and cause water hammer in steam line

None of these

Waste steam

Destroy itself of acceleration wear due to rapid recycling

Back up condensate and cause water hammer in steam line

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Process Equipment and Plant Design
Larger depth of liquid on the trays of a distillation column

Results in higher pressure drop per tray

Neither A nor B

Leads to high tray efficiency

Both A & B

Results in higher pressure drop per tray

Neither A nor B

Leads to high tray efficiency

Both A & B

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Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

35-40

15-20

43961

30-35

35-40

15-20

43961

30-35

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Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

12.5 to 18.5

3 to 12.5

L to 3

4 to 8

12.5 to 18.5

3 to 12.5

L to 3

4 to 8

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Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Δp = G0.5

Δp = G

Δp = 1/G0.6

Δp = G2

Δp = G0.5

Δp = G

Δp = 1/G0.6

Δp = G2

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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 An underdesigned steam trap will

Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column

Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

Process Equipment and Plant Design Hole diameter of the seive trays in the distillation column ranges from __________ mm.

Process Equipment and Plant Design Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

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
An underdesigned steam trap will

Process Equipment and Plant Design
Larger depth of liquid on the trays of a distillation column

Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as