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Process Equipment and Plant Design

Process Equipment and Plant Design
The raio, (properller agitator dia/tank dia) is normally taken as

0.60-0.90
0.15-030
0.75-0.85
0.5-0.65

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Process Equipment and Plant Design
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

D⁹
D
D²
D⁵

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Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

Aa = 1.5 Sa
1.2 Aa = 1.2 Sa
Aa = Sa
Sa = 1.5 Aa

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Process Equipment and Plant Design
Value of Peclet number = 0, is the representative of

Complete back mixing
Eddy diffusivity = 0
Plug flow
Laminar flow

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Process Equipment and Plant Design
The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

2 to 3
6 to 12
3 to 5
4 to 8

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Process Equipment and Plant Design
Oxygen carrying pipelines in chemical industries are coloured with __________ colour.

Blue
Red
Black
Yellow

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