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Process Equipment and Plant Design

Process Equipment and Plant Design
Height of the flights in the rotary drier is in the range of

0.08 to 0.12 d
0.2 to 0.5 d
0.5 to 0.6 d
0.02 to 0.05 d

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Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for

Fixing the tubes
Reducing scale deposition
Creating turbulence
Increasing pressure drop

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Process Equipment and Plant Design
Which of the following is the best tube material from thermal conductivity point of view alone?

Aluminium
Carbon steel
Stainless steel
Copper

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the 'tube pitch' is defined as the

None of these
O.D. of the tube for square pitch
Shortest distance between two adj acent tube holes
Shortest centre to centre distance between adjacent tubes

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Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law.

Negative
None of these
Positive
No

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Process Equipment and Plant Design
Heat transfer co-efficient, hG(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

1.004G0.8
0.0176G1.37
HG = 1.004G0.37
HG = 0.0176G0.37

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