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Process Equipment and Plant Design

Process Equipment and Plant Design
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.

6
12
34
18

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Process Equipment and Plant Design
Maximum acceptable total liquid gradient over a tray is about __________ mm.

45.5
5.5
12.5
30.5

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the 'tube pitch' is defined as the

None of these
Shortest centre to centre distance between adjacent tubes
Shortest distance between two adj acent tube holes
O.D. of the tube for square pitch

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Process Equipment and Plant Design
Shortest distance between two tubes is

None of these
More in case of triangular pitch as compared to square pitch of tube layout
Called tube pitch
Called tube clearance

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

None of these
No
Negative
Positive

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

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

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