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Process Equipment and Plant Design

Process Equipment and Plant Design
In chemical process equipments, the conical bottom heads used, usually has an apex angle of

60°
80°
40°
20°

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Process Equipment and Plant Design
Bracket supports are the most suitable for supporting __________ vessels.

Thick walled vertical
Horizontal
None of these
Thin shperical (e.g. Horton sphere)

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Process Equipment and Plant Design
Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.

Ring plate
Flared out
Nozzle or rim
Fluid in

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Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

√A
4 A/P
A/P
4 P/A

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Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

σh = σL/2
No relation exists
σh = σL
σh = 2 σL

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Process Equipment and Plant Design
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

1 to 1.5
0.5 to 1
1.5 to 2
2 to 2.5

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