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Process Equipment and Plant Design

Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

D²
1/D
1/D⁵
1/D²

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Process Equipment and Plant Design
In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps.

1.5 to 3
1.3 to 2
1.6 to 2
2.5

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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

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

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Process Equipment and Plant Design
Lap joints are preferred for plates having thickness __________ mm.

43961
> 3
> 5
< 12.5

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Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

44055
3.5 to 7.0
0.3 to 0.8
1.25 to 3.125

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Process Equipment and Plant Design
The ratio of linear stress to linear strain is termed as the

Modulus of rigidity
Bulk modulus
None of these
Modulus of elasticity

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