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Process Equipment and Plant Design

Process Equipment and Plant Design
In shell and tube heat exchangers, straight tie rods are used to

Hold baffle in space
Fix the tubes in position
None of these
Account for thermal strain

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Process Equipment and Plant Design
Steam is preferred to be used as a heating medium in heat exchangers, because of its

Non-corrosive condensate
High film co-efficient
High latent heat
Low cost

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Process Equipment and Plant Design
A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is

10
20
10
20

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Process Equipment and Plant Design
In distillation columns, bubble caps are held in place over trays by

Both B and C
Bolts
A hold down bar
Rivets

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Process Equipment and Plant Design
Poisson's ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson's ratio for structural and pressure vessel steel may be taken as

0.3
0.75
0.95
0.01

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Process Equipment and Plant Design
Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness.

1 to 5
30 to 40
40 to 50
10 to 20

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