Q. Find the process where an agitated vessel is required.

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Q. For a better stage efficiency, must have large interfacial surface and low mass transfer co-efficient.

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Q. The higher difference in pressure inside the tray tower cause

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Q. Humidification is a

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Q. In humidification the gas is ____________ in the liquid for the mass transfer to take part.

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Q. At the gas temperature, the liquid is in equilibrium with vapour for ____________

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Q. In an operation, the enthalpy is similar throughout the initial and final condition such operation is

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Q. For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is 15 pa. The absolute humidity in mass of air/mass of water vapour is

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Q. Mass absolute humidity is

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Q. By differencing the temperature, heat added or removed is

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Q. For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is 15 pa. The molal absolute humidity is

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Q. The humidity is represented in

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Q. De-humidification is done in

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Q. Partial pressure equals vapour pressure if it is___________

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Q. Say True or False.

I) Vapour- at superheated temperature
II) Gas – at condensation temperature

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Q. Guess the saturated molar absolute humidity of the gas(A.- Vapour(B. mixture at 100 degree Celsius. Vapour pressure of A is 300 mmHg and the total pressure is 760 mmHg.

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Q. The system is unsaturated if partial pressure _________ equilibrium vapour pressure.

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Q. Consider a saturated gas(A.-vapour(B. mixture , if the absolute molal humidity is 0.265 and the total pressure= 760 mmHg. Find the vapour pressure of B.

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Q. The vapour pressure of the nitrogen gas is 400mmHg and the partial pressure is 300mmHg. Find the relative saturation.

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Q. Thermometer measurement temperature is

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