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Process Equipment and Plant Design

Process Equipment and Plant Design
In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is

< 10
30
> 20
> 10

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

Plug flow
Complete back mixing
Laminar flow
Eddy diffusivity = 0

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Process Equipment and Plant Design
__________ tray arrangement is recommended for distillation column having diameter upto 4 ft.

Cascade
Split flow
Radial flow
Cross flow

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Process Equipment and Plant Design
__________ is the determining factor for the number of bubble caps to be used per tray.

Permissible slot velocity
Vapor load
Liquid load
Tray diameter

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Process Equipment and Plant Design
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times.

Decrease by 22
Increase by 21.6
None of these
Increase by 1.8

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Process Equipment and Plant Design
Rotary driers are most economically designed for the number of heat transfer units (HTU) from

10 to 20
1.5 to 2.5
5 to 10
0.01 to 1

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