Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Size Porosity Durability Cost Size Porosity Durability Cost ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of unsaturated air is more than its __________ temperature. Neither A nor B Wet bulb Dew point Both A & B Neither A nor B Wet bulb Dew point Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is ∞ 1 2 0.5 ∞ 1 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of the gas is __________ the wet bulb temperature. Less than Equal to None of these More than Less than Equal to None of these More than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower All of these Is undesirable Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Is undesirable Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL².DA KL²/DA KL/DA² √(KL².DA) KL².DA KL²/DA KL/DA² √(KL².DA) ANSWER DOWNLOAD EXAMIANS APP
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