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Process Equipment and Plant Design

Process Equipment and Plant Design
Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate.

2
8
4
1/2

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Process Equipment and Plant Design
Liquid gradient over the tray results due to the

Large plate spacing
Large reflux ratio
Resistance offered to flow of liquids by caps & risers and the flow of gas
Low gas velocity

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Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a

Neither A nor B
Either A or B
U-bend
Floating head tube sheet

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Process Equipment and Plant Design
Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column.

100 to 150
250 to 500
50 to 100
600 to 700

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Process Equipment and Plant Design
Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter.

2.5 to 5
5 to 10
1.5 to 2
10 to 15

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Process Equipment and Plant Design
Normal screwed fittings are used for pipes upto a diameter of __________ inches.

3
1.5
7
5

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