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Process Equipment and Plant Design

Process Equipment and Plant Design
Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is

Less
About 3 times
About 0.33 times
Same

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Process Equipment and Plant Design
Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

0 to 0.8
0 to 1.5
0 to 0.08
0 to 2.2

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Process Equipment and Plant Design
The retention time of material in a rotary dryer depends upon its

Rpm
Slope & length
All of these
Flights arrangement

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

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Process Equipment and Plant Design
The value of fouling factor depends upon the

Characteristic of process fluid
Suspended solids in the fluid
Velocity of process fluid containing suspended solids
All of these

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Process Equipment and Plant Design
Movement of pipeline caused by thermal expansion is taken care by providing

All of these
Changes in its direction
Expansion joint
Change in the shape of pipeline

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