Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Δp = G0.5

Δp = G2

Δp = G

Δp = 1/G0.6

Δp = G0.5

Δp = G2

Δp = G

Δp = 1/G0.6

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Process Equipment and Plant Design
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Clearance of 25-75 mm

Cap pitch of 1.3-2 times the cap diameter

Neither A nor B

Either A or B

Clearance of 25-75 mm

Cap pitch of 1.3-2 times the cap diameter

Neither A nor B

Either A or B

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Process Equipment and Plant Design
Seamless pipe is made

By extrusion & casting into static and centrifugal molds

From rolled strips formed into cylinders and seam-welded

Both B and C

By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing

By extrusion & casting into static and centrifugal molds

From rolled strips formed into cylinders and seam-welded

Both B and C

By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing

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Process Equipment and Plant Design
In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower.

Molal flow rate of vapour

All of these

Vapour molecular weight

Pressure and temperature

Molal flow rate of vapour

All of these

Vapour molecular weight

Pressure and temperature

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Process Equipment and Plant Design
With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases.

Vapour & liquid load both

Running cost of steam for reboiler

Fixed charges initially

Running cost of cooling water for condenser

Vapour & liquid load both

Running cost of steam for reboiler

Fixed charges initially

Running cost of cooling water for condenser

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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

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

None of these

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

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

None of these

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Process Equipment and Plant Design

Process Equipment and Plant Design Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Process Equipment and Plant Design In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Process Equipment and Plant Design Seamless pipe is made

Process Equipment and Plant Design In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower.

Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases.

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
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Process Equipment and Plant Design
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Process Equipment and Plant Design
Seamless pipe is made

Process Equipment and Plant Design
In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower.

Process Equipment and Plant Design
With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases.

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.