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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.

30-35
35-40
15-20
43961

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Process Equipment and Plant Design
In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms.

2.5
15
20
7.5

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

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

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Process Equipment and Plant Design
Flanges are connected to pipes by

Screwing
Welding
All of these
Brazing

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Process Equipment and Plant Design
A cylinderical pressure vessel of volume 6 πm³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to

8 mm
6 mm
5 mm
10 mm

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Process Equipment and Plant Design
For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter.

4 to 5
2.5 to 3.5
1 to 1.5
6 to 8

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