Mass Transfer Drying operation under vacuum is carried out to Increase drying temperature Dry those materials which have very high unbound mositure content Dry materials having high bound moisture content Reduce drying temperature Increase drying temperature Dry those materials which have very high unbound mositure content Dry materials having high bound moisture content Reduce drying temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Either A, or B ; depends on the type of packing Greater than Equal to Smaller than Either A, or B ; depends on the type of packing Greater than Equal to Smaller than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Always lower than Always higher than Dependent on the system; can be either lower or higher than Same as Always lower than Always higher than Dependent on the system; can be either lower or higher than Same as ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In most of the vacuum crystalliser, vacuum is generally produced by means of a None of these Suction pump Compressed air jet Steam jet ejector with a barometric condenser None of these Suction pump Compressed air jet Steam jet ejector with a barometric condenser ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the Latent heat Humid heat Specific heat Sensible heat Latent heat Humid heat Specific heat Sensible heat ANSWER DOWNLOAD EXAMIANS APP
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