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Process Equipment and Plant Design

Process Equipment and Plant Design
__________ liquor is best handled in a long tube vertical evaporator.

Salting
Foamy
Viscous
Scaling

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Process Equipment and Plant Design
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

Conical
Floating
Fixed
Flat

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Process Equipment and Plant Design
For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used?

(0.8)0.5
0.9
0.8
1

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Process Equipment and Plant Design
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

Di, opt = 7.6 Q0.36 . ρ0.9
Di, opt = 3.9 Q0.45 . ρ0.23
Di, opt = 3 Q0.36 ρ0.18
Di, opt = 3 Q0.36 . ρ1.86 μ0.08

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

Modulus of elasticity
None of these
Modulus of rigidity
Bulk modulus

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Process Equipment and Plant Design
What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers?

Equal to tube I.D
6.5 mm
Equal to tube O.D
6.5 cms

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