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Process Equipment and Plant Design

Process Equipment and Plant Design
Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is

Same
Cither A or B; depends upon the I.D. of the pipe
Less
More

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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
__________ shapedroof is the most commonly used roof for cylinderical storage tanks.

Flat
Conical
Umbrella
Dome

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Process Equipment and Plant Design
A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by

(ph - dt)/ph
(ph - dh . dt/2)/ph
(ph - dh)/dh
(ph - dh)/ph

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Process Equipment and Plant Design
Baffle spacing is generally __________ the I.D. of the shell.

More than
Both B and C
Not greater than
Not less than one fifth of

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Process Equipment and Plant Design
Floating head heat exchangers are used for the

Co-current heat transfer systems
Counter-current heat transfer systems
Heat transfer between corrosive fluids
Cases where temperature difference between the shell and the tubes is more (>50°C)

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