To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

Process Equipment and Plant Design
To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

(1.2)2/3

(1.2)3/5

(1.2)3/2

(1.2)5/3

(1.2)2/3

(1.2)3/5

(1.2)3/2

(1.2)5/3

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Process Equipment and Plant Design
With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter

None of these

Remain unaffected

Decreases

Increases

None of these

Remain unaffected

Decreases

Increases

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Process Equipment and Plant Design
The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

3 to 5

2 to 3

6 to 12

4 to 8

3 to 5

2 to 3

6 to 12

4 to 8

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Process Equipment and Plant Design
Overall tray efficiency of a distillation column is the ratio of the number of

None of these

Overall gas transfer units to the number of ideal trays required

Ideal trays required to the number of real trays required

Real trays required to the number of ideal trays required

None of these

Overall gas transfer units to the number of ideal trays required

Ideal trays required to the number of real trays required

Real trays required to the number of ideal trays required

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Process Equipment and Plant Design
The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.

Less than

More than

Equal to

Either B or C; depends on maximum permissible internal pressure

Less than

More than

Equal to

Either B or C; depends on maximum permissible internal pressure

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Process Equipment and Plant Design
Bracket supports are the most suitable for supporting __________ vessels.

None of these

Thin shperical (e.g. Horton sphere)

Thick walled vertical

Horizontal

None of these

Thin shperical (e.g. Horton sphere)

Thick walled vertical

Horizontal

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Process Equipment and Plant Design

Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

Process Equipment and Plant Design With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter

Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of

Process Equipment and Plant Design The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.

Process Equipment and Plant Design Bracket supports are the most suitable for supporting __________ vessels.

Process Equipment and Plant Design
To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

Process Equipment and Plant Design
With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter

Process Equipment and Plant Design
The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

Process Equipment and Plant Design
Overall tray efficiency of a distillation column is the ratio of the number of

Process Equipment and Plant Design
The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.

Process Equipment and Plant Design
Bracket supports are the most suitable for supporting __________ vessels.