Friction factor for turbulent flow in a new pipe is given by

Process Equipment and Plant Design
Friction factor for turbulent flow in a new pipe is given by

f = 0.22 NRe0.05

f = 0.04/NRe0.16

f = 16/NRe

f = 25/NRe

f = 0.22 NRe0.05

f = 0.04/NRe0.16

f = 16/NRe

f = 25/NRe

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Process Equipment and Plant Design
The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)

2 d

D

0.75 d

0.5 d

2 d

D

0.75 d

0.5 d

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Process Equipment and Plant Design
__________ closure is the weakest enclosure for cylindrical vessels.

Hemispherical

Conical or flat plate

Torispherical

Elliptical

Hemispherical

Conical or flat plate

Torispherical

Elliptical

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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
The function of manholes provided in the shell of a distillation column is to

Guard against foaming & entrainment by dumping antifoaming agent through it

Give access to the individual trays for cleaning, maintenance and installation

Keep a check on the liquid gradient over the plate by direct visual observation

All of these

Guard against foaming & entrainment by dumping antifoaming agent through it

Give access to the individual trays for cleaning, maintenance and installation

Keep a check on the liquid gradient over the plate by direct visual observation

All of these

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Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

95

60

45

80

95

60

45

80

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Process Equipment and Plant Design

Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by

Process Equipment and Plant Design The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)

Process Equipment and Plant Design __________ closure is the weakest enclosure for cylindrical vessels.

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

Process Equipment and Plant Design The function of manholes provided in the shell of a distillation column is to

Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design
Friction factor for turbulent flow in a new pipe is given by

Process Equipment and Plant Design
The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)

Process Equipment and Plant Design
__________ closure is the weakest enclosure for cylindrical vessels.

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

Process Equipment and Plant Design
The function of manholes provided in the shell of a distillation column is to

Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.