A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

60

45

95

80

60

45

95

80

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Process Equipment and Plant Design
Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity)

Σ/E

Σ

E/σ

E

Σ/E

Σ

E/σ

E

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Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

No

None of these

Positive

Negative

No

None of these

Positive

Negative

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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.

Equal to

Three fourth

Half

One fourth

Equal to

Three fourth

Half

One fourth

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is

Called tube pitch

Always less than the diameter of the tube

None of these

Called tube clearance

Called tube pitch

Always less than the diameter of the tube

None of these

Called tube clearance

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Process Equipment and Plant Design
__________ is the determining factor for the number of bubble caps to be used per tray.

Vapor load

Tray diameter

Permissible slot velocity

Liquid load

Vapor load

Tray diameter

Permissible slot velocity

Liquid load

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Process Equipment and Plant Design

Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

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 In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is

Process Equipment and Plant Design __________ is the determining factor for the number of bubble caps to be used per tray.

Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

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
In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is

Process Equipment and Plant Design
__________ is the determining factor for the number of bubble caps to be used per tray.