Mass Transfer A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height. 90-100 44119 70-80 30-40 90-100 44119 70-80 30-40 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (4De/πt)1/2 (4De/t) (De.t)1/2 (De/t)1/2 (4De/πt)1/2 (4De/t) (De.t)1/2 (De/t)1/2 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. 0.0025 0.25 1.25 2.5 0.0025 0.25 1.25 2.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? None of these Wet bulb temperature Relative humidity Partial pressure of vapour None of these Wet bulb temperature Relative humidity Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Greater degree of separation with a fixed number of trays None of these Increased reboiler load Increased reflux ratio Greater degree of separation with a fixed number of trays None of these Increased reboiler load Increased reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an Binary mixture Insoluble binary system Pure component Ternary mixture Binary mixture Insoluble binary system Pure component Ternary mixture ANSWER DOWNLOAD EXAMIANS APP