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Process Equipment and Plant Design

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

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

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Process Equipment and Plant Design
Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm.

0.1 to 2
5 to 7
3 to 8
8 to 15

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Process Equipment and Plant Design
For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

Bubble cap
Valve
Counterflow
Sieve

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Process Equipment and Plant Design
Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

19
16
38
28

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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.

1.5 nth
0.5 nth
(1/n)th
nth

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Process Equipment and Plant Design
Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid

Is highly viscous
Containing suspended solids flows at high velocity
Containing suspended solids flows at low velocity
Is of high specific gravity

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