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Process Equipment and Plant Design

Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

Negative
None of these
Positive
No

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Process Equipment and Plant Design
LMTD correction factor is used in heat exchanger design for

Counter flow of hot and cold fluids
Double pipe heat exchanger
Multipass shell and tube heat exchanger
Fouling fluids

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Process Equipment and Plant Design
Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around

0.55-0.85
0.4-0.6
0.1-0.2
0.35-0.75

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Process Equipment and Plant Design
Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure?

At the outer surface
At the mid thickness of the cylindrical wall
At the inner surface
None of these

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Process Equipment and Plant Design
For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

Sieve
Bubble cap
Counterflow
Valve

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Process Equipment and Plant Design
An adequate clearance between the tray and the shell wall of a distillation column is provided to

Drain the liquid from the tray when the unit is not in operation
None of these
Allow for thermal expansion and facilitate installation
Avoid back-trapping

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