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Process Equipment and Plant Design

Process Equipment and Plant Design
In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as

0.1
0.25
0.8
0.5

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Process Equipment and Plant Design
Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness.

40 to 50
30 to 40
1 to 5
10 to 20

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Process Equipment and Plant Design
With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will

Increase or decrease depending on the nature of the dust
Increase
Decrease
Remain unaffected

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Process Equipment and Plant Design
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Clearance of 25-75 mm
Neither A nor B
Either A or B
Cap pitch of 1.3-2 times the cap diameter

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Process Equipment and Plant Design
Value of Peclet number = 0, is the representative of

Complete back mixing
Laminar flow
Plug flow
Eddy diffusivity = 0

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Process Equipment and Plant Design
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Is easy to fabricate
Both A & B
Has greater structural strength
Neither A nor B

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