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.

600
1000
1500
300

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

There is no central downtake
The tube bundle is suspended on bracket
It is used for high viscosity liquor having large rate of scaling
Downtake is formed by the annular space between the bundle and the shell

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