Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is

Process Equipment and Plant Design
Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is

More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein

Less

Same

More

More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein

Less

Same

More

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Process Equipment and Plant Design
In distillation columns, bubble caps are held in place over trays by

Both B and C

Bolts

A hold down bar

Rivets

Both B and C

Bolts

A hold down bar

Rivets

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Process Equipment and Plant Design
A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Deformation

Shear

Elongation

Bending

Deformation

Shear

Elongation

Bending

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Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

40% of the I.D. of the shell

I.D. of the shell

25 cms

5 cms

40% of the I.D. of the shell

I.D. of the shell

25 cms

5 cms

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Process Equipment and Plant Design
Reflux ratio variation in a distillation column is between

Minimum and infinity

Zero and infinity

Zero and one

None of these

Minimum and infinity

Zero and infinity

Zero and one

None of these

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Process Equipment and Plant Design
A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by

(ph - dh . dt/2)/ph

(ph - dt)/ph

(ph - dh)/dh

(ph - dh)/ph

(ph - dh . dt/2)/ph

(ph - dt)/ph

(ph - dh)/dh

(ph - dh)/ph

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Process Equipment and Plant Design

Process Equipment and Plant Design Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is

Process Equipment and Plant Design In distillation columns, bubble caps are held in place over trays by

Process Equipment and Plant Design A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

Process Equipment and Plant Design Reflux ratio variation in a distillation column is between

Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by

Process Equipment and Plant Design
Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is

Process Equipment and Plant Design
In distillation columns, bubble caps are held in place over trays by

Process Equipment and Plant Design
A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

Process Equipment and Plant Design
Reflux ratio variation in a distillation column is between

Process Equipment and Plant Design
A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by