Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

Process Equipment and Plant Design
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

450

750

250

650

450

750

250

650

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Process Equipment and Plant Design
The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure.

Ellipsoidal

Hemispherical

Torispherical

Flat plate

Ellipsoidal

Hemispherical

Torispherical

Flat plate

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Process Equipment and Plant Design
The main purpose of providing stepping on the trays is to

Increase the residence time

Facilitate handling of large flow rate of liquid

Improve the flow condition

Decrease the pressure drop

Increase the residence time

Facilitate handling of large flow rate of liquid

Improve the flow condition

Decrease the pressure drop

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the 'tube pitch' is defined as the

Shortest distance between two adj acent tube holes

O.D. of the tube for square pitch

Shortest centre to centre distance between adjacent tubes

None of these

Shortest distance between two adj acent tube holes

O.D. of the tube for square pitch

Shortest centre to centre distance between adjacent tubes

None of these

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Process Equipment and Plant Design
Diameter of the seive tray column is determined by the

Height of the plate spacing

Upper limit of the vapour velocity

Lower limit of vapour velocity

Hole diameter of the seive tray

Height of the plate spacing

Upper limit of the vapour velocity

Lower limit of vapour velocity

Hole diameter of the seive tray

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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

1.25

3.5

1.75

2.5

1.25

3.5

1.75

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Process Equipment and Plant Design

Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

Process Equipment and Plant Design The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure.

Process Equipment and Plant Design The main purpose of providing stepping on the trays is to

Process Equipment and Plant Design In a shell and tube heat exchanger, the 'tube pitch' is defined as the

Process Equipment and Plant Design Diameter of the seive tray column is determined by the

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
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

Process Equipment and Plant Design
The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure.

Process Equipment and Plant Design
The main purpose of providing stepping on the trays is to

Process Equipment and Plant Design
In a shell and tube heat exchanger, the 'tube pitch' is defined as the

Process Equipment and Plant Design
Diameter of the seive tray column is determined by the

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