Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

Process Equipment and Plant Design
Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

50

25

150

75

50

25

150

75

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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 = G2

Δp = 1/G0.6

Δp = G0.5

Δp = G

Δp = G2

Δp = 1/G0.6

Δp = G0.5

Δp = G

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Process Equipment and Plant Design
The main purpose of providing stepping on the trays is to

Increase the residence time

Facilitate handling of large flow rate of liquid

Improve the flow condition

Decrease the pressure drop

Increase the residence time

Facilitate handling of large flow rate of liquid

Improve the flow condition

Decrease the pressure drop

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Process Equipment and Plant Design
Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than __________ kilolitres.

20

45

85

30

20

45

85

30

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Process Equipment and Plant Design
Cylinderical shell thickness of rotary drier is generally __________ mm.

44180

43864

18-22

43990

44180

43864

18-22

43990

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

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)

Maximum permissible vapour velocity

None of these

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Process Equipment and Plant Design

Process Equipment and Plant Design Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

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 The main purpose of providing stepping on the trays is to

Process Equipment and Plant Design Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than __________ kilolitres.

Process Equipment and Plant Design Cylinderical shell thickness of rotary drier is generally __________ mm.

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

Process Equipment and Plant Design
Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

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
The main purpose of providing stepping on the trays is to

Process Equipment and Plant Design
Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than __________ kilolitres.

Process Equipment and Plant Design
Cylinderical shell thickness of rotary drier is generally __________ mm.

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