Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Partial pressure of vapour None of these Dry bulb temperature Wet bulb temperature Partial pressure of vapour None of these Dry bulb temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is a suitable absorbent for removal of H₂S from natural gas? Dilute Monoethanol amine (MEA) Hot water Vetrocoke solution Dilute Monoethanol amine (MEA) Hot water Vetrocoke solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At equilibrium the concentration of water in vapour phase (C*)in kg/m³ of air space and the amount of water (m) adsorbed per kg of dry silica gel are related by, C* = 0.0667m. To maintain dry conditions in a room of air space 100m³ containing 2.2 kg of water vapour initially, 10 kg of dry silica gel is kept in the room. The fraction of initial water remaining in the air space after a long time (during which the temperature is maintained constant) is 0.4 1 0.2 0.4 1 0.2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency in a distillation column is reduced due to the __________ of liquid. Entrainment All of these Weeping & dumping Foaming Entrainment All of these Weeping & dumping Foaming ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weight of 1 m³ of humid air as compared to 1 m³ of dry air, under the same conditions, is Unpredictable Same More Less Unpredictable Same More Less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer. Tunnel Tray None of these Rotary Tunnel Tray None of these Rotary ANSWER DOWNLOAD EXAMIANS APP