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Process Equipment and Plant Design

Process Equipment and Plant Design
In a __________ rivetted joint, the number of rivets decreases from the innermost row to the outermost row.

Chain
Diamond
None of these
Zig-zag

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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.

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

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Process Equipment and Plant Design
Speed of industrial paddle agitator ranges from __________ rpm.

1000 to 2000
20 to 100
500 to 750
1 to 5

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Process Equipment and Plant Design
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns.

Less
More
Same
Either A or B; no generalisation can be made

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Process Equipment and Plant Design
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.

1.25-1.50 times
Less than
2.5 times
One-fourth of

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Process Equipment and Plant Design
Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower?

All of these
Size, shape, orientation and surface of the packing particles
Density and viscosity of fluids
Fluid flow rates

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