A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is

Process Equipment and Plant Design
A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is

10

20

10

20

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Process Equipment and Plant Design
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times.

Decrease by 22

Increase by 1.8

Increase by 21.6

None of these

Decrease by 22

Increase by 1.8

Increase by 21.6

None of these

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Process Equipment and Plant Design
Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.

1/30th

1/50th

1/20th

1/10th

1/30th

1/50th

1/20th

1/10th

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

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

Providing a higher skirt clearance or a higher weir

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

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

Providing a higher skirt clearance or a higher weir

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
It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than

0.55

0.8

0.95

0.99

0.55

0.8

0.95

0.99

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Process Equipment and Plant Design
Lug support is meant for supporting __________ vessels.

Large horizontal cylindrical

Small

Thick walled tall

Tall but empty

Large horizontal cylindrical

Small

Thick walled tall

Tall but empty

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Process Equipment and Plant Design

Process Equipment and Plant Design A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is

Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times.

Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.

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

Process Equipment and Plant Design It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than

Process Equipment and Plant Design Lug support is meant for supporting __________ vessels.

Process Equipment and Plant Design
A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is

Process Equipment and Plant Design
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times.

Process Equipment and Plant Design
Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.

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

Process Equipment and Plant Design
It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than

Process Equipment and Plant Design
Lug support is meant for supporting __________ vessels.