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Process Equipment and Plant Design

Process Equipment and Plant Design
At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.

Unpredictable
Lower
Higher
Same

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Process Equipment and Plant Design
Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm.

8 to 15
3 to 8
0.1 to 2
5 to 7

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Process Equipment and Plant Design
Rate of filtrate delivery is inversely proportional to the

Both A & B
Cake & filter medium resistance
Filtering area & the pressure difference driving force
Viscosity of filtrate

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Process Equipment and Plant Design
In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing.

25-50
50-75
200-250
750-1000

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

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

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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 centre to centre distance between adjacent tubes
Shortest distance between two adj acent tube holes

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