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

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

38

76

95

19

38

76

95

19

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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

19

38

16

28

19

38

16

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Process Equipment and Plant Design
Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if

Wall thickness is > 30 mm

Plain carbon steel and cast iron parts are used

Material of construction is high alloy steel

Both B & C

Wall thickness is > 30 mm

Plain carbon steel and cast iron parts are used

Material of construction is high alloy steel

Both B & C

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Process Equipment and Plant Design
The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called

Static submergence

Skirt clearance

None of these

Downcomer liquid seal

Static submergence

Skirt clearance

None of these

Downcomer liquid seal

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Process Equipment and Plant Design
The most common standard size of bubble caps used in industrial operation is

6" dia cap with 4" dia riser

1" dia cap with 0.5" dia riser

4" dia cap with 8" dia riser

8" dia cap with 1" dia riser

6" dia cap with 4" dia riser

1" dia cap with 0.5" dia riser

4" dia cap with 8" dia riser

8" dia cap with 1" dia riser

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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.

One fourth

Three fourth

Equal to

Half

One fourth

Three fourth

Equal to

Half

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Process Equipment and Plant Design

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 Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if

Process Equipment and Plant Design The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called

Process Equipment and Plant Design The most common standard size of bubble caps used in industrial operation is

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

Process Equipment and Plant Design
Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if

Process Equipment and Plant Design
The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called

Process Equipment and Plant Design
The most common standard size of bubble caps used in industrial operation is

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.