The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

Process Equipment and Plant Design
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

>1

Equal to the order of reaction

< 1

1

>1

Equal to the order of reaction

< 1

1

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

The tube bundle is suspended on bracket

It is used for high viscosity liquor having large rate of scaling

Downtake is formed by the annular space between the bundle and the shell

There is no central downtake

The tube bundle is suspended on bracket

It is used for high viscosity liquor having large rate of scaling

Downtake is formed by the annular space between the bundle and the shell

There is no central downtake

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Process Equipment and Plant Design
Maximum acceptable total liquid gradient over a tray is about __________ mm.

30.5

12.5

45.5

5.5

30.5

12.5

45.5

5.5

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Process Equipment and Plant Design
For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by(where, Q = fluid flow rate, ft³/sec.ρ = fluid density, lb/ft³ μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches)

Di, opt = 3 Q0.36 . μ0.88

Di, opt = 3.9 Q0.45 ρ0.13

Di, opt = 4.7 Q0.36 . μ3.2ρ0.13

Di, opt = 3.9 Q0.45 . μ0.95

Di, opt = 3 Q0.36 . μ0.88

Di, opt = 3.9 Q0.45 ρ0.13

Di, opt = 4.7 Q0.36 . μ3.2ρ0.13

Di, opt = 3.9 Q0.45 . μ0.95

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Process Equipment and Plant Design
Lap joints are preferred for plates having thickness __________ mm.

43961

> 5

< 12.5

> 3

43961

> 5

< 12.5

> 3

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Process Equipment and Plant Design
Pick out the wrong statement about distillation operation

Flash distillation, differential distillation & steam distillation are all continuous distillation processes

In differential (simple) distillation, the vapour is removed as soon as it is formed without appreciable condensation

In flash (equilibrium) distillation, a definite fraction of liquid is vaporised in such a way that the evolved vapour & residual liquids are in equilibrium with each other

Distillation under vacuum is a substitute for steam distillation

Flash distillation, differential distillation & steam distillation are all continuous distillation processes

In differential (simple) distillation, the vapour is removed as soon as it is formed without appreciable condensation

In flash (equilibrium) distillation, a definite fraction of liquid is vaporised in such a way that the evolved vapour & residual liquids are in equilibrium with each other

Distillation under vacuum is a substitute for steam distillation

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Process Equipment and Plant Design

Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm.

Process Equipment and Plant Design Lap joints are preferred for plates having thickness __________ mm.

Process Equipment and Plant Design Pick out the wrong statement about distillation operation

Process Equipment and Plant Design
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design
Maximum acceptable total liquid gradient over a tray is about __________ mm.

Process Equipment and Plant Design
Lap joints are preferred for plates having thickness __________ mm.

Process Equipment and Plant Design
Pick out the wrong statement about distillation operation