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.

28

38

16

19

28

38

16

19

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Process Equipment and Plant Design
The dust collection efficiency of a cyclone separator

Is directly proportional to the radius of the dust particle path

Is inversely proportional to the mass of the dust particle

None of these

Decreases with increase in gas flow rate

Is directly proportional to the radius of the dust particle path

Is inversely proportional to the mass of the dust particle

None of these

Decreases with increase in gas flow rate

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

3 to 12.5

4 to 8

L to 3

12.5 to 18.5

3 to 12.5

4 to 8

L to 3

12.5 to 18.5

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Process Equipment and Plant Design
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

Small downcomer liquid seal

Lower static submergence

Lower skirt clearance

Liquid gradient on the tray

Small downcomer liquid seal

Lower static submergence

Lower skirt clearance

Liquid gradient on the tray

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Process Equipment and Plant Design
Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm.

10

20

30

5

10

20

30

5

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Process Equipment and Plant Design
Removable connection of tubes to tube sheet is called

Ferrule

Nipple

Socket

Saddle

Ferrule

Nipple

Socket

Saddle

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Process Equipment and Plant Design

Process Equipment and Plant Design The dust collection efficiency of a cyclone separator

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

Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

Process Equipment and Plant Design Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm.

Process Equipment and Plant Design Removable connection of tubes to tube sheet is called

Process Equipment and Plant Design
The dust collection efficiency of a cyclone separator

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

Process Equipment and Plant Design
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

Process Equipment and Plant Design
Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm.

Process Equipment and Plant Design
Removable connection of tubes to tube sheet is called