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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

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

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

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

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Process Equipment and Plant Design
In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

H.ρ/L
Z.H/L.ρ
Z.H.ρ/L
L/Z.H.ρ

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Process Equipment and Plant Design
For identical situation, condensing film coefficient in case of a horizontal condenser is almost __________ the value expected in case of vertical condenser.

Five times
Twice
Thrice
Half

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Process Equipment and Plant Design
Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

3 and 5
25 and 60
250 and 600
100 and 250

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Process Equipment and Plant Design
Vertical vessels are not supported by

Columns
Skirts
Saddles
Brackets

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