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 NPr = NLe NSc = NLe NSc = 1 NSc = NPr = NLe NPr = NLe NSc = NLe NSc = 1 NSc = NPr = NLe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 0.7 7 70 150 0.7 7 70 150 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is defined as Co-efficient = Flux/concentration difference None of the listed here Flux = Co-efficient/concentration difference Flux=concentration difference/co-effi-cient Co-efficient = Flux/concentration difference None of the listed here Flux = Co-efficient/concentration difference Flux=concentration difference/co-effi-cient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes 1 ? None of these 1 ? None of these 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 wet bulb temperature Higher relative humidity Higher dew point Higher absolute (specific) humidity Higher wet bulb temperature Higher relative humidity Higher dew point Higher absolute (specific) humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments ANSWER DOWNLOAD EXAMIANS APP