Mass Transfer In most of the vacuum crystalliser, vacuum is generally produced by means of a Suction pump Steam jet ejector with a barometric condenser None of these Compressed air jet Suction pump Steam jet ejector with a barometric condenser None of these Compressed air jet ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then Solvent flow rate should be very low Amount of solvent required will be minimum No separation will occur Separation of the constituents is the most effective Solvent flow rate should be very low Amount of solvent required will be minimum No separation will occur Separation of the constituents is the most effective 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? Humidification only Both heating and humidification Evaporative cooling Heating only Humidification only Both heating and humidification Evaporative cooling Heating only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raoult's law is applicable to the Ideal solutions Non-ideal gases Real solutions Mixture of water and alcohol Ideal solutions Non-ideal gases Real solutions Mixture of water and alcohol ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 1.25 0.0025 2.5 0.25 1.25 0.0025 2.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 7 150 0.7 70 7 150 0.7 70 ANSWER DOWNLOAD EXAMIANS APP