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Process Equipment and Plant Design

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

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

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Process Equipment and Plant Design
In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

Z.H.ρ/L
H.ρ/L
L/Z.H.ρ
Z.H/L.ρ

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Process Equipment and Plant Design
__________ shaped roof is most commonly used for cylindrical tanks.

Umbrella
Cone
Flat
Dome

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Process Equipment and Plant Design
The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called

None of these
Static submergence
Skirt clearance
Downcomer liquid seal

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Process Equipment and Plant Design
__________ liquor is best handled in a long tube vertical evaporator.

Salting
Viscous
Foamy
Scaling

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Process Equipment and Plant Design
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Clearance of 25-75 mm
Neither A nor B
Either A or B
Cap pitch of 1.3-2 times the cap diameter

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