Mass Transfer Relative humidity is the ratio of the Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at room temperature None of these Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at room temperature None of these Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current liquid extractor Both liquids can have any desired flow rate Both liquids flow at fixed rate Only one of the liquids may be pumped at any desired rate Liquid's flow rate depends upon the temperature and pressure Both liquids can have any desired flow rate Both liquids flow at fixed rate Only one of the liquids may be pumped at any desired rate Liquid's flow rate depends upon the temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Both heating and humidification Heating only Evaporative cooling Humidification only Both heating and humidification Heating only Evaporative cooling Humidification only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Ion exchange process is similar to Extraction Adsorption Leaching Absorption Extraction Adsorption Leaching Absorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Increasing the air temperature decreases the drying rate None of these Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate None of these Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Size of component molecules are not equal Attractive forces between like and unlike molecules in the solution are approximately equal Component molecules are nonpolar Chemical combination or molecular association between unlike molecules takes place in the formation of solution Size of component molecules are not equal Attractive forces between like and unlike molecules in the solution are approximately equal Component molecules are nonpolar Chemical combination or molecular association between unlike molecules takes place in the formation of solution ANSWER DOWNLOAD EXAMIANS APP
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