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Process Equipment and Plant Design

Process Equipment and Plant Design
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

Floating
Fixed
Flat
Conical

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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

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

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Process Equipment and Plant Design
In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

nth
1.5 nth
(1/n)th
0.5 nth

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Process Equipment and Plant Design
The dust collection efficiency of electrostatic precipitator increases with increase in the

Both A & B
Gas flow rate
Electrode area
Neither A nor B

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Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

17-34
43929
88-105
52-68

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Process Equipment and Plant Design
Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is

About 3 times
Less
Same
About 0.33 times

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