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Process Equipment and Plant Design

Process Equipment and Plant Design
Pressure drop per tray in the atmospheric distillation column is about __________ psi.

0.07 - 0.12
43833
0.01 - 0.5
0.5 - 1.0

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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
1.2 to 3.8 cms is the value of the

Skirt clearance for bubble caps
All of these
Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)
Downcomer liquid seal in case of a balanced tray design

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Process Equipment and Plant Design
Baffles may be eliminated for

None of these
High viscosity liquids (> 600 poise)
Low viscosity liquids (< 200 poise)
Large diameter tanks

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Process Equipment and Plant Design
Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

0 to 0.08
0 to 0.8
0 to 1.5
0 to 2.2

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Process Equipment and Plant Design
Cooling water fouling factors vary in the range of 0.001 to 0.003

(kcal/hr.m² .°C)⁻¹
(kcal/hr. m. °C)⁻¹
(W/m².°K)⁻¹
(BTU/hr.ft² . °F)⁻¹

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