Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher absolute (specific) humidity Higher wet bulb temperature Higher relative humidity Higher dew point Higher absolute (specific) humidity Higher wet bulb temperature Higher relative humidity Higher dew point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current liquid extractor Only one of the liquids may be pumped at any desired rate Both liquids flow at fixed rate Both liquids can have any desired flow rate Liquid's flow rate depends upon the temperature and pressure Only one of the liquids may be pumped at any desired rate Both liquids flow at fixed rate Both liquids can have any desired flow rate Liquid's flow rate depends upon the temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Never Yes Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Never Yes Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The-relative volatility for separation of a non-ideal binary mixture by distillation should be 1 < 1 > 1 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer NSc/NPr is called the Psychrometric ratio Sherwood number Lewis number Stantan number Psychrometric ratio Sherwood number Lewis number Stantan number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Boiling point diagram is Not affected by pressure A plot of temperature vs. liquid composition Affected by pressure A plot of temperature vs. vapour composition Not affected by pressure A plot of temperature vs. liquid composition Affected by pressure A plot of temperature vs. vapour composition ANSWER DOWNLOAD EXAMIANS APP
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