Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column.

Process Equipment and Plant Design
Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column.

600 to 700

250 to 500

50 to 100

100 to 150

600 to 700

250 to 500

50 to 100

100 to 150

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Process Equipment and Plant Design
Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Diagonal square pitch

Square pitch

Triangular pitch

Heat transfer rate is independent of tube arrangement

Diagonal square pitch

Square pitch

Triangular pitch

Heat transfer rate is independent of tube arrangement

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Process Equipment and Plant Design
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle

Employs high velocity, high heat transfer rate and less heating surface requirement

Is economical in operation

Both B & C

Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle

Employs high velocity, high heat transfer rate and less heating surface requirement

Is economical in operation

Both B & C

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Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

I.D. of the shell

40% of the I.D. of the shell

25 cms

5 cms

I.D. of the shell

40% of the I.D. of the shell

25 cms

5 cms

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Process Equipment and Plant Design
Nominal size of a pipe is an indication of its __________ diameter.

Outer

Inner

Approximate

None of these

Outer

Inner

Approximate

None of these

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Process Equipment and Plant Design
Liquid gradient over a tray can be minimised by

Providing a higher skirt clearance or a higher weir

Using split flow, radial flow or cascade flow for column diameter large than 4 ft

All of these

Decreasing the number of rows of caps through which the liquid flows or by decreasing the velocity of liquid flow past the caps or by reducing the distance along the tray through which the liquid must

Providing a higher skirt clearance or a higher weir

Using split flow, radial flow or cascade flow for column diameter large than 4 ft

All of these

Decreasing the number of rows of caps through which the liquid flows or by decreasing the velocity of liquid flow past the caps or by reducing the distance along the tray through which the liquid must

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Process Equipment and Plant Design

Process Equipment and Plant Design Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column.

Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

Process Equipment and Plant Design Nominal size of a pipe is an indication of its __________ diameter.

Process Equipment and Plant Design Liquid gradient over a tray can be minimised by

Process Equipment and Plant Design
Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column.

Process Equipment and Plant Design
Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Process Equipment and Plant Design
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

Process Equipment and Plant Design
Nominal size of a pipe is an indication of its __________ diameter.

Process Equipment and Plant Design
Liquid gradient over a tray can be minimised by