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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
55 to 75
5 to 10

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Process Equipment and Plant Design
Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.

300
600
1500
1000

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

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

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Process Equipment and Plant Design
Lug support is meant for supporting __________ vessels.

Small
Tall but empty
Large horizontal cylindrical
Thick walled tall

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Process Equipment and Plant Design
A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap.

95
19
38
76

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Process Equipment and Plant Design
Baffles may be eliminated for

Low viscosity liquids (< 200 poise)
High viscosity liquids (> 600 poise)
Large diameter tanks
None of these

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