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)

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

Σ

Σ/E

E

E/σ

Σ

Σ/E

E

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Process Equipment and Plant Design
Weep holes provided in the plates of a distillation column

Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid

All of these

Facilitate draining out liquid from a tray when the unit is not in operation

Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation

Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid

All of these

Facilitate draining out liquid from a tray when the unit is not in operation

Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation

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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 - dh)/dh

(ph - dt)/ph

(ph - dh)/ph

(ph - dh . dt/2)/ph

(ph - dh)/dh

(ph - dt)/ph

(ph - dh)/ph

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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

Chain

None of these

Diamond

Zig-zag

Chain

None of these

Diamond

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Process Equipment and Plant Design
Skirt support is the most suitable for supporting __________ vessels.

Thick walled

Large horizontal

Small horizontal

Tall vertical

Thick walled

Large horizontal

Small horizontal

Tall vertical

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Process Equipment and Plant Design
The ratio of linear stress to linear strain is termed as the

Modulus of elasticity

Modulus of rigidity

Bulk modulus

None of these

Modulus of elasticity

Modulus of rigidity

Bulk modulus

None of these

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Process Equipment and Plant Design

Process Equipment and Plant Design Weep holes provided in the plates of a distillation column

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

Process Equipment and Plant Design Skirt support is the most suitable for supporting __________ vessels.

Process Equipment and Plant Design The ratio of linear stress to linear strain is termed as the

Process Equipment and Plant Design
Weep holes provided in the plates of a distillation column

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

Process Equipment and Plant Design
Skirt support is the most suitable for supporting __________ vessels.

Process Equipment and Plant Design
The ratio of linear stress to linear strain is termed as the