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
Generally, elliptical dished heads

Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D

All of these

Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter

Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m²

Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D

All of these

Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter

Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m²

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Process Equipment and Plant Design
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

Remains same

Decreases

Increases

May increase or decrease depending upon the solubility of the gas in the liquid

Remains same

Decreases

Increases

May increase or decrease depending upon the solubility of the gas in the liquid

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Process Equipment and Plant Design
Thin spherical shells subjected to internal pressure, develop __________ stresses.

Both A & B

Radial

Neither A nor B

Circumferential

Both A & B

Radial

Neither A nor B

Circumferential

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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.

45

85

20

30

45

85

20

30

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Process Equipment and Plant Design
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of

D/5 or minimum 2" to D

D/5 or minimum 2" to 5D

None of these

D/2 or minimum 2" to 5D

D/5 or minimum 2" to D

D/5 or minimum 2" to 5D

None of these

D/2 or minimum 2" to 5D

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Process Equipment and Plant Design

Process Equipment and Plant Design Generally, elliptical dished heads

Process Equipment and Plant Design At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses.

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 If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of

Process Equipment and Plant Design
Generally, elliptical dished heads

Process Equipment and Plant Design
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

Process Equipment and Plant Design
Thin spherical shells subjected to internal pressure, develop __________ stresses.

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
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of