Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if NSc = 1 NSc = NPr = NLe NPr = NLe NSc = NLe NSc = 1 NSc = NPr = NLe NPr = NLe NSc = NLe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time 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 Heating only Both heating and humidification Evaporative cooling Humidification only Heating only Both heating and humidification Evaporative cooling ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB according to the __________ theory. Penetration Film None of these Surface-renewal Penetration Film None of these Surface-renewal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is None of these Straight line Slightly concave downward Slightly concave upward None of these Straight line Slightly concave downward Slightly concave upward ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale usage of flash distillation is practised in Petroleum refinning Polymerisation industry Soap manufacturing Ammonia synthesis plant Petroleum refinning Polymerisation industry Soap manufacturing Ammonia synthesis plant ANSWER DOWNLOAD EXAMIANS APP
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