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Process Equipment and Plant Design

Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

40% of the I.D. of the shell
5 cms
25 cms
I.D. of the shell

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Process Equipment and Plant Design
Joint efficiency (J) for a seamless pipe is

1.2
0.85
< 0.5
1

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Process Equipment and Plant Design
Hold up of material in a operating rotary drier is in the range of

0.25 to 0.50
0.05 to 0.15
0.5 to 0.8
0.8 to 0.9

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Process Equipment and Plant Design
Which of the following packing materials provides for maximum mass transfer?

Cross-partition rings
Raschig rings
Lessig rings
All of these

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Process Equipment and Plant Design
Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if

Material of construction is high alloy steel
Wall thickness is > 30 mm
Plain carbon steel and cast iron parts are used
Both B & C

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Process Equipment and Plant Design
A/an __________ is used for changing the direction of a pipeline.

Union
Flange
Elbow
Disc compensator

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