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Process Equipment and Plant Design

Process Equipment and Plant Design
Thickness of the frame of a plate and frame filter as compared to that of plates is

Less
Same
More
Either A or B

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Process Equipment and Plant Design
In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps.

1.6 to 2
2.5
1.3 to 2
1.5 to 3

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Process Equipment and Plant Design
With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases.

Vapour & liquid load both
Running cost of cooling water for condenser
Running cost of steam for reboiler
Fixed charges initially

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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/L.ρ
L/Z.H.ρ
H.ρ/L
Z.H.ρ/L

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Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/2 and 8
1/64 and 1/8
1/2 and 5
1/8 and 1/64

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Process Equipment and Plant Design
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of

None of these
D/5 or minimum 2" to 5D
D/2 or minimum 2" to 5D
D/5 or minimum 2" to D

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