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Process Equipment and Plant Design

Process Equipment and Plant Design
The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute.

40 to 50
15 to 30
5 to 10
55 to 75

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.65 to 0.85 d
0.95 d
0.1 to 0.2 d
0.3 to 0.5 d

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Process Equipment and Plant Design
__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

Sieve plate
Packed
Bubble cap plate
None of these

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Process Equipment and Plant Design
Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

100 and 250
3 and 5
25 and 60
250 and 600

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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
Lug support is

The most suitable for thick vertical vessel
Same as bracket support
All of these
Provided usually for vessels of much smaller height than skirt supported vessels

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