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

1

< 1

Equal to the order of reaction

>1

1

< 1

Equal to the order of reaction

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Process Equipment and Plant Design
Steam is preferred to be used as a heating medium in heat exchangers, because of its

Non-corrosive condensate

Low cost

High film co-efficient

High latent heat

Non-corrosive condensate

Low cost

High film co-efficient

High latent heat

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Process Equipment and Plant Design
__________ is the determining factor for the number of bubble caps to be used per tray.

Tray diameter

Liquid load

Permissible slot velocity

Vapor load

Tray diameter

Liquid load

Permissible slot velocity

Vapor load

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Process Equipment and Plant Design
Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head.

3 times the thickness

Either A or B, whichever is smaller

Either A or B, whichever is larger

6% of I.D.

3 times the thickness

Either A or B, whichever is smaller

Either A or B, whichever is larger

6% of I.D.

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Process Equipment and Plant Design
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

0.5 to 1

1 to 1.5

2 to 2.5

1.5 to 2

0.5 to 1

1 to 1.5

2 to 2.5

1.5 to 2

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4

None of these

The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation

Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps

The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4

None of these

The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation

Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps

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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 Steam is preferred to be used as a heating medium in heat exchangers, because of its

Process Equipment and Plant Design __________ is the determining factor for the number of bubble caps to be used per tray.

Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

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
Steam is preferred to be used as a heating medium in heat exchangers, because of its

Process Equipment and Plant Design
__________ is the determining factor for the number of bubble caps to be used per tray.

Process Equipment and Plant Design
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.