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Process Equipment and Plant Design

Process Equipment and Plant Design
Cooling water fouling factors vary in the range of 0.001 to 0.003

(kcal/hr.m² .°C)⁻¹
(BTU/hr.ft² . °F)⁻¹
(kcal/hr. m. °C)⁻¹
(W/m².°K)⁻¹

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Process Equipment and Plant Design
The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches.

6
24
34
18

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Process Equipment and Plant Design
A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Shear
Deformation
Elongation
Bending

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Process Equipment and Plant Design
For high pressure process equipments/vessels, the connected nozzle should be

Welded
Brazed
Screwed
Flanged

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Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

1.25 to 3.125
44055
3.5 to 7.0
0.3 to 0.8

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Process Equipment and Plant Design
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.

NH₃
CO₂
None of these
SO₂

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