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Process Equipment and Plant Design

Process Equipment and Plant Design
The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate.

43834
4
43832
2

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

0.85
1.2
< 0.5
1

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Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

Πd/4P²
4P²/πd
4(P² - πd²/4)/πd
(P² - πd²/4)/πd

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Process Equipment and Plant Design
Two iron pipes of the same nominal diameter but different schedule numbers will have the same

Outside diameter
Inside diameter
None of these
Wall thickness

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Process Equipment and Plant Design
Which of the following types of reactors is the safest from operation point of view?

A vapor phase reactor
Pot type reactor
A liquid phase catalytic reactor
A liquid phase reactor

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Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

1/D⁵
1/D
D²
1/D²

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