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Process Equipment and Plant Design

Process Equipment and Plant Design
The retention time of material in a rotary dryer depends upon its

All of these
Flights arrangement
Rpm
Slope & length

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Process Equipment and Plant Design
Bubble cap plate column is

Used only for distillation, not for absorption
A differential stage contactor
A continuous contactor
A finite stage contactor

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Process Equipment and Plant Design
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Both A & B
Has greater structural strength
Neither A nor B
Is easy to fabricate

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.65 to 0.85 d
0.95 d
0.1 to 0.2 d
0.3 to 0.5 d

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Process Equipment and Plant Design
Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around

0.1-0.2
0.55-0.85
0.35-0.75
0.4-0.6

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Process Equipment and Plant Design
__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

Sieve plate
Bubble cap plate
None of these
Packed

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