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Process Equipment and Plant Design

Process Equipment and Plant Design
Bubble cap diameter used for the distillation column having diameter ranging from 1.5 to 4.5 metres is about __________ mm.

150
100
10
50

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Process Equipment and Plant Design
A/an __________ is used for changing the direction of a pipeline.

Flange
Elbow
Union
Disc compensator

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

O.D. of the tube for square pitch
None of these
Shortest centre to centre distance between adjacent tubes
Shortest distance between two adj acent tube holes

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Process Equipment and Plant Design
To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

(1.2)5/3
(1.2)2/3
(1.2)3/2
(1.2)3/5

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Process Equipment and Plant Design
Fresh water carrying pipelines in chemical industries are coloured with __________ color.

Sea green
Yellow
Brown
Red

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Process Equipment and Plant Design
The minimum baffle height should be

Twice the tank diameter
Equal to the impeller diameter
3/4 of the tank height
Twice the impeller diameter

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