Mass Transfer Drying operation under vacuum is carried out to Reduce drying temperature Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content Increase drying temperature Reduce drying temperature Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content Increase drying temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Increases Decreases Either A or B; depends on the gas Remains same Increases Decreases Either A or B; depends on the gas Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Wet bulb temperature Relative humidity Partial pressure of vapour None of these Wet bulb temperature Relative humidity Partial pressure of vapour None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The relative humidity decreases The partial pressure of water vapour increases The specific humidity decreases The relative humidity increases The relative humidity decreases The partial pressure of water vapour increases The specific humidity decreases The relative humidity increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for separating the constituents of a binary system, which Have very close boiling points Have very wide boiling points Form constant boiling azeotrope Form minimum boiling azeotrope Have very close boiling points Have very wide boiling points Form constant boiling azeotrope Form minimum boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) ANSWER DOWNLOAD EXAMIANS APP