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
In a __________ rivetted joint, the rivets in the various rows are opposite to each other.

Zig-zag

None of these

Chain

Diamond

Zig-zag

None of these

Chain

Diamond

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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 clearance

None of these

Called tube pitch

Always less than the diameter of the tube

Called tube clearance

None of these

Called tube pitch

Always less than the diameter of the tube

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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)

E

Σ

E/σ

Σ/E

E

Σ

E/σ

Σ/E

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Process Equipment and Plant Design
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Is easy to fabricate

Both A & B

Has greater structural strength

Neither A nor B

Is easy to fabricate

Both A & B

Has greater structural strength

Neither A nor B

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Process Equipment and Plant Design
Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is

Cither A or B; depends upon the I.D. of the pipe

More

Same

Less

Cither A or B; depends upon the I.D. of the pipe

More

Same

Less

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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 In a __________ rivetted joint, the rivets in the various rows are opposite to each other.

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 Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is

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
In a __________ rivetted joint, the rivets in the various rows are opposite to each other.

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
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Process Equipment and Plant Design
Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is