Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Sieve plate column Bubble cap column Wetted wall column Randomly packed column Sieve plate column Bubble cap column Wetted wall column Randomly packed column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Reduce liquid hold up Minimise the overall pressure drop Avoid channeling Avoid flooding Reduce liquid hold up Minimise the overall pressure drop Avoid channeling Avoid flooding 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? Heating and dehumidification at almost constant wet bulb temperature Dehumidification with dry bulb temperature remaining constant None of these Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature Dehumidification with dry bulb temperature remaining constant None of these Cooling and dehumidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an __________ law. Exponential Parabolic Cubic Linear Exponential Parabolic Cubic Linear ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.8 to 1.2 2.5 to 3.5 0.5 to 0.8 1.25 to 2.0 0.8 to 1.2 2.5 to 3.5 0.5 to 0.8 1.25 to 2.0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T0.5 D ∝ T1.5 D ∝ T D ∝ T2 D ∝ T0.5 D ∝ T1.5 D ∝ T D ∝ T2 ANSWER DOWNLOAD EXAMIANS APP
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