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Process Equipment and Plant Design

Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

25 cms
40% of the I.D. of the shell
5 cms
I.D. of the shell

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

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Process Equipment and Plant Design
Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as

D = 1.6 √t
D = 1.1 t
D = 3√t
D = 1.5 t

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Process Equipment and Plant Design
With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will

Decrease
Increase
Remain unaffected
Increase or decrease depending on the nature of the dust

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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/n)th
0.5 nth
1.5 nth

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Process Equipment and Plant Design
Saddle supports are used for supporting __________ vessels.

Thick walled vertical
Thick spherical
Horizontal cylinderical
Tall vertical

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