Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with No reflux Total reflux Zero reflux ratio Minimum reflux ratio No reflux Total reflux Zero reflux ratio Minimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Packed tower Wetted wall column Seive-plate column Bubble-cap plate column Packed tower Wetted wall column Seive-plate column Bubble-cap plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at constant temperature __________ the total pressure. Decreases with increase in None of these Is independent of Increases with increase in Decreases with increase in None of these Is independent of Increases with increase in ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.079 0.152 0.048 0.122 0.079 0.152 0.048 0.122 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Increases tray efficiency Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Increases tray efficiency Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is a suitable absorbent for removal of H₂S from natural gas? Vetrocoke solution Dilute Monoethanol amine (MEA) Hot water Vetrocoke solution Dilute Monoethanol amine (MEA) Hot water ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS