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Process Equipment and Plant Design

Process Equipment and Plant Design
__________ dished head is the strongest of all.

Torispherical
Hemispherical
Elliptical
None of these

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

0.01 - 0.5
0.5 - 1.0
43833
0.07 - 0.12

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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.

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

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Process Equipment and Plant Design
The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

43835
100-150
20-40
1000-1500

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Process Equipment and Plant Design
__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

Packed
Bubble cap plate
Sieve plate
None of these

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Process Equipment and Plant Design
The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

Equal to
0.6-0.8 times
2 ft irrespective of (for column > 3 ft diameter)
Twice

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