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Process Equipment and Plant Design

Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

35-40
43961
30-35
15-20

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Process Equipment and Plant Design
25 per cent cut segmental baffle means that the baffle

Height is 25% of the I.D. of the shell
Spacing is 75% of its height
Height is 75% of the I.D. of the shell
Width is 25% of its height

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Process Equipment and Plant Design
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

Pressure drop is reduced
More thinner tubes can be used
It makes condenser compact
It reduces heat transfer area

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Process Equipment and Plant Design
Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter.

0.1 to 0.25
0.65 to 0.80
0.3 to 0.5
0.5 to 0.6

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Process Equipment and Plant Design
Which of the following factors determine the amount of entrainment in a distillation column?

All of these
Plate spacing
Vapour velocity in the volume between the plates
Depth of liquid above the bubble cap slots

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Process Equipment and Plant Design
Which of the following lengths of heat exchanger tubes are normally not used in practice?

0.5 metre
10 metres
2.5 metres
6 metres

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