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Process Equipment and Plant Design

Process Equipment and Plant Design
The safe distance of habitation from a hazardous chemical plant (TLV of its product < 1000 ppm) should be about __________ kms.

5
1
15
25

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Process Equipment and Plant Design
The raio, (properller agitator dia/tank dia) is normally taken as

0.75-0.85
0.5-0.65
0.15-030
0.60-0.90

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

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Process Equipment and Plant Design
Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?

Segmental baffle
Disk type baffle
Flat plate extending across the wall
Helical type baffle

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Process Equipment and Plant Design
Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is

pD/2t
pD/6t
pD/3t
pD/4t

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

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

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