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

E

Σ/E

Σ

E/σ

E

Σ/E

Σ

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Process Equipment and Plant Design
__________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.).

Hemispherical

Ellipsoidal

Conical

Dished

Hemispherical

Ellipsoidal

Conical

Dished

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Process Equipment and Plant Design
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

Pressure drop is reduced

More thinner tubes can be used

It reduces heat transfer area

It makes condenser compact

Pressure drop is reduced

More thinner tubes can be used

It reduces heat transfer area

It makes condenser compact

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Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

None of these

Modular ratio

Strain

Stress

None of these

Modular ratio

Strain

Stress

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Process Equipment and Plant Design
Which of the following material is seldom used for pressure vessel construction?

Mild steel

Rimmed still

Killed steel

Semi-killed steel

Mild steel

Rimmed still

Killed steel

Semi-killed steel

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Process Equipment and Plant Design
Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is

Less

Same

Twice

More

Less

Same

Twice

More

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Process Equipment and Plant Design

Process Equipment and Plant Design __________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.).

Process Equipment and Plant Design In condenser, the cooling water is passed in the tube side in a pass arrangement, because

Process Equipment and Plant Design The units of Young's modulus of elasticity and __________ are the same.

Process Equipment and Plant Design Which of the following material is seldom used for pressure vessel construction?

Process Equipment and Plant Design Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is

Process Equipment and Plant Design
__________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.).

Process Equipment and Plant Design
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

Process Equipment and Plant Design
Which of the following material is seldom used for pressure vessel construction?

Process Equipment and Plant Design
Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is