Liquid gradient over a tray can be minimised by

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

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

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

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Process Equipment and Plant Design
Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube.

2.5

1.75

1.25

3.5

2.5

1.75

1.25

3.5

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Process Equipment and Plant Design
Rate of filtrate delivery is inversely proportional to the

Filtering area & the pressure difference driving force

Viscosity of filtrate

Both A & B

Cake & filter medium resistance

Filtering area & the pressure difference driving force

Viscosity of filtrate

Both A & B

Cake & filter medium resistance

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Process Equipment and Plant Design
The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is

pd/3t

pd/2t

pd/4t

pd/t

pd/3t

pd/2t

pd/4t

pd/t

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Process Equipment and Plant Design
Baffle width is normally taken as __________ times the tank diameter.

0.1-0.12

0.4-0.5

0.2-0.45

0.45-0.6

0.1-0.12

0.4-0.5

0.2-0.45

0.45-0.6

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Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

No relation exists

σh = σL

σh = σL/2

σh = 2 σL

No relation exists

σh = σL

σh = σL/2

σh = 2 σL

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Process Equipment and Plant Design

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

Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube.

Process Equipment and Plant Design Rate of filtrate delivery is inversely proportional to the

Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is

Process Equipment and Plant Design Baffle width is normally taken as __________ times the tank diameter.

Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

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

Process Equipment and Plant Design
Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube.

Process Equipment and Plant Design
Rate of filtrate delivery is inversely proportional to the

Process Equipment and Plant Design
The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is

Process Equipment and Plant Design
Baffle width is normally taken as __________ times the tank diameter.

Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by