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Mass Transfer

Mass Transfer
Free flowing granular materials can be best dried in a __________ drier.

Drun
Rotary
Cylinder
Freeze

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Mass Transfer
For a single component absorber, the operating line is straight only when plotted in term of __________ units.

Mole ratio
None of these
Mole fraction
Partial pressure

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Mass Transfer
Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and

Humidified at constant wet bulb temperature
Humidified with wet bulb temperature decreasing
None of these
Dehumidified

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Mass Transfer
Large scale usage of flash distillation is practised in

Polymerisation industry
Petroleum refinning
Ammonia synthesis plant
Soap manufacturing

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Mass Transfer
H₂S present in naphtha reformed gas is removed by absorbing with

HCl
Vacuum gas oil
Ethanolamine
K₂CO₃

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Mass Transfer
The boiling points of pure components of a binary system __________ with increase in total pressure of the system.

Remains unchanged
May increase or decrease, depends on the system
Decreases
Increases

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