Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if NSc = NLe NPr = NLe NSc = 1 NSc = NPr = NLe NSc = NLe NPr = NLe NSc = 1 NSc = NPr = NLe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as 1/D D0.5 D1.5 D 1/D D0.5 D1.5 D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Long tube Falling film Vacuum Short tube Long tube Falling film Vacuum Short tube ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? Dehumidification with dry bulb temperature remaining constant Heating and dehumidification at almost constant wet bulb temperature None of these Cooling and dehumidification Dehumidification with dry bulb temperature remaining constant Heating and dehumidification at almost constant wet bulb temperature None of these Cooling and dehumidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The specific humidity decreases The relative humidity decreases The relative humidity increases The partial pressure of water vapour increases The specific humidity decreases The relative humidity decreases The relative humidity increases The partial pressure of water vapour increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Does not affect Increases Decreases Exponentially increases Does not affect Increases Decreases Exponentially increases ANSWER DOWNLOAD EXAMIANS APP
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