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

E/σ

Σ

Σ/E

E

E/σ

Σ

Σ/E

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Process Equipment and Plant Design
At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.

Lower

Unpredictable

Higher

Same

Lower

Unpredictable

Higher

Same

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Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

17-34

88-105

52-68

43929

17-34

88-105

52-68

43929

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

Large horizontal

Small horizontal

Thick walled

Tall vertical

Large horizontal

Small horizontal

Thick walled

Tall vertical

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Process Equipment and Plant Design
Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

0 to 2.2

0 to 1.5

0 to 0.08

0 to 0.8

0 to 2.2

0 to 1.5

0 to 0.08

0 to 0.8

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Process Equipment and Plant Design
Liquid gradient over the tray results due to the

Resistance offered to flow of liquids by caps & risers and the flow of gas

Low gas velocity

Large plate spacing

Large reflux ratio

Resistance offered to flow of liquids by caps & risers and the flow of gas

Low gas velocity

Large plate spacing

Large reflux ratio

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Process Equipment and Plant Design

Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.

Process Equipment and Plant Design Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

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

Process Equipment and Plant Design Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

Process Equipment and Plant Design Liquid gradient over the tray results due to the

Process Equipment and Plant Design
At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.

Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

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

Process Equipment and Plant Design
Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

Process Equipment and Plant Design
Liquid gradient over the tray results due to the