Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL/DA² KL²/DA √(KL².DA) KL².DA KL/DA² KL²/DA √(KL².DA) KL².DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a batch drier? Fluidised bed drier Truck drier Agitated pan drier Vacuum shelf drier Fluidised bed drier Truck drier Agitated pan drier Vacuum shelf drier ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively 0 and ≈ 1 >1 and ≈ 1 < 1 and ≈ 1 1 and 0 0 and ≈ 1 >1 and ≈ 1 < 1 and ≈ 1 1 and 0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Wet bulb temperature Relative humidity None of these Partial pressure of vapour Wet bulb temperature Relative humidity None of these Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number. None of these Lewis Sherwood Grashoff None of these Lewis Sherwood Grashoff ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Capacity of a rotary dryer depends on its None of the listed here Inclination with ground surface R.p.m Both Inclination with ground surface & R.p.m None of the listed here Inclination with ground surface R.p.m Both Inclination with ground surface & R.p.m ANSWER DOWNLOAD EXAMIANS APP