Mass Transfer Mass transfer co-efficient of liquid is Not affected by the temperature None of these Affected much less by temperature than that for gases Affected more by temperature than that for gases Not affected by the temperature None of these Affected much less by temperature than that for gases Affected more by temperature than that for gases 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 Evaporative cooling Heating only Humidification only Both heating and humidification Evaporative cooling Heating only Humidification only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the reflux ratio at total reflux? Unity Zero Data insufficient Infinity Unity Zero Data insufficient Infinity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 1000 500 50 100 1000 500 50 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is - 1/f - (f - 1)/f (1 - f)/f - f/(1 - f) - 1/f - (f - 1)/f (1 - f)/f - f/(1 - f) ANSWER DOWNLOAD EXAMIANS APP
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 dew point 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 ANSWER DOWNLOAD EXAMIANS APP
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