Mass Transfer Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. ) (1 + Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ro) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ro) = Ro/Ri (1 - Ri) = Ro/Ri 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 (De/t)1/2 (4De/t) (De.t)1/2 (4De/πt)1/2 (De/t)1/2 (4De/t) (De.t)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Gas velocity should be very low Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Small dia distillation column can be a Sieve tray Any of these Bubble cap Packed column Sieve tray Any of these Bubble cap Packed column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The-relative volatility for separation of a non-ideal binary mixture by distillation should be > 1 < 1 1 > 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is defined as Co-efficient = Flux/concentration difference Flux = Co-efficient/concentration difference None of the listed here Flux=concentration difference/co-effi-cient Co-efficient = Flux/concentration difference Flux = Co-efficient/concentration difference None of the listed here Flux=concentration difference/co-effi-cient ANSWER DOWNLOAD EXAMIANS APP