At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

Related MCQs

• Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.
• The percentage humidity is less than the relative humidity only at __________ percent humidity.
• At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent.
• The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the
• When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity.
• __________ is the temperature at which a gas-vapor mixture becomes saturated, when cooled at constant total pressure out of contact with a liquid.
• The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will
• On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
• With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature).
• An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively. The humidity of air sample expressed as kg of water vapour/kg of dry air is: