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Process Equipment and Plant Design

Process Equipment and Plant Design
Safety valves are provided in chemical equipments to guard against excessive

Turbulence
Temperature
Noise
Pressure/pressure fluctuation

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Process Equipment and Plant Design
Maximum allowable vapour velocity in a bubble cap tower is determined by the

Entrainment considerations
None of these
Vapour density
Diameter of the column

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Process Equipment and Plant Design
The dust collection efficiency of electrostatic precipitator increases with increase in the

Neither A nor B
Electrode area
Both A & B
Gas flow rate

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Process Equipment and Plant Design
Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower?

Density and viscosity of fluids
Fluid flow rates
All of these
Size, shape, orientation and surface of the packing particles

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Process Equipment and Plant Design
Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if

Both B & C
Plain carbon steel and cast iron parts are used
Wall thickness is > 30 mm
Material of construction is high alloy steel

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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.

None of these
SO₂
CO₂
NH₃

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