Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

Process Equipment and Plant Design
Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

16

28

19

38

16

28

19

38

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Process Equipment and Plant Design
Brass valves are usually made for pipe sizes __________ inches.

?2

>3.5

?1

>2.5

?2

>3.5

?1

>2.5

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Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)

All of these

Skirt clearance for bubble caps

Downcomer liquid seal in case of a balanced tray design

Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)

All of these

Skirt clearance for bubble caps

Downcomer liquid seal in case of a balanced tray design

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Process Equipment and Plant Design
Stage efficiency for packed tower varies with the

Fluid rates and fluid properties

Type & size of packing

All of these

Operating pressure and column diameter

Fluid rates and fluid properties

Type & size of packing

All of these

Operating pressure and column diameter

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Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

4 P/A

A/P

4 A/P

√A

4 P/A

A/P

4 A/P

√A

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Process Equipment and Plant Design
A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap.

38

19

95

76

38

19

95

76

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Process Equipment and Plant Design

Process Equipment and Plant Design Brass valves are usually made for pipe sizes __________ inches.

Process Equipment and Plant Design 1.2 to 3.8 cms is the value of the

Process Equipment and Plant Design Stage efficiency for packed tower varies with the

Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

Process Equipment and Plant Design A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap.

Process Equipment and Plant Design
Brass valves are usually made for pipe sizes __________ inches.

Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Process Equipment and Plant Design
Stage efficiency for packed tower varies with the

Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

Process Equipment and Plant Design
A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap.