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Process Equipment and Plant Design

Process Equipment and Plant Design
Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is

About 3 times
Same
About 0.33 times
Less

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Process Equipment and Plant Design
In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.

1/5-1/10th
1/20-1/30th
1/10-1/15th
1/2 to 1/4th

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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.

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

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

0.5
0.1
0.25
0.8

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Process Equipment and Plant Design
Pressure drop per tray in the atmospheric distillation column is about __________ psi.

0.5 - 1.0
0.07 - 0.12
43833
0.01 - 0.5

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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.

7.5
20
2.5
15

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