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Process Equipment and Plant Design

Process Equipment and Plant Design
Scale up problem in design based on the similarity concept takes into account __________ similarity.

Geometrical
Kinematic
All of these
Dynamic

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Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

Aa = Sa
Sa = 1.5 Aa
1.2 Aa = 1.2 Sa
Aa = 1.5 Sa

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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.

1500
600
1000
300

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Process Equipment and Plant Design
Value of Peclet number = ∞, is the representative of

Plug flow
Laminar flow
Complete back mixing
Eddy diffusivity = 0

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Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

Modular ratio
None of these
Strain
Stress

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Process Equipment and Plant Design
Which of the following is used to set the diameter of the distillation column?

Length of straight rectangular weir on cross-flow tray
Number of theorectical plates
Static submergence
Allowable vapour velocity

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