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Process Equipment and Plant Design

Process Equipment and Plant Design
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

0.5
2.5
3.5
1.5

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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
0.1 to 0.25
0.65 to 0.80
0.5 to 0.6

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Process Equipment and Plant Design
Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.

1500
600
1000
300

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Process Equipment and Plant Design
Rate of filtrate delivery is inversely proportional to the

Filtering area & the pressure difference driving force
Cake & filter medium resistance
Viscosity of filtrate
Both A & B

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Process Equipment and Plant Design
__________ tray arrangement is recommended for distillation column having diameter upto 4 ft.

Radial flow
Cascade
Cross flow
Split flow

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Process Equipment and Plant Design
Power required for agitation depends upon the

Height & properties of the liquid
Size of agitator & the tank
All of these
Agitator type & speed of agitation

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