A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design

Process Equipment and Plant Design
A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design

Only if the opening is on a horizontal cylinderical vessel

Only if the opening is on a vertical cylinderical vessel

Only if the opening is on spherical vessel

Irrespective of the shape of the vessel

Only if the opening is on a horizontal cylinderical vessel

Only if the opening is on a vertical cylinderical vessel

Only if the opening is on spherical vessel

Irrespective of the shape of the vessel

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Process Equipment and Plant Design
Baffle spacing is generally __________ the I.D. of the shell.

Not greater than

Not less than one fifth of

More than

Both B and C

Not greater than

Not less than one fifth of

More than

Both B and C

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Process Equipment and Plant Design
In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds.

8

80

1

180

8

80

1

180

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Process Equipment and Plant Design
In the design of a shell and tube heat exchanger, the corrosion allowance

Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc

For internal cover and tube sheet is provided on both the sides

All of these

For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm

Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc

For internal cover and tube sheet is provided on both the sides

All of these

For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm

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Process Equipment and Plant Design
Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.

Flared out

Nozzle or rim

Ring plate

Fluid in

Flared out

Nozzle or rim

Ring plate

Fluid in

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Process Equipment and Plant Design
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.

18

6

34

12

18

6

34

12

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Process Equipment and Plant Design

Process Equipment and Plant Design Baffle spacing is generally __________ the I.D. of the shell.

Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds.

Process Equipment and Plant Design In the design of a shell and tube heat exchanger, the corrosion allowance

Process Equipment and Plant Design Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.

Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.

Process Equipment and Plant Design
Baffle spacing is generally __________ the I.D. of the shell.

Process Equipment and Plant Design
In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds.

Process Equipment and Plant Design
In the design of a shell and tube heat exchanger, the corrosion allowance

Process Equipment and Plant Design
Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.

Process Equipment and Plant Design
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.