Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs None of these Rate of drying decreases abruptly Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs None of these Rate of drying decreases abruptly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pressure drop through plate tower as compared to that through packed tower, for the same duty will be Less More Either A or B; depends on the packing height Equal Less More Either A or B; depends on the packing height Equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction. Bubble Tray Packed Spray Bubble Tray Packed Spray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the psychometric ratio is __________ then the adiabatic saturation temperature and wet bulb temperature becomes equal. 1 > 1 < 1 ? 1 > 1 < 1 ? ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Dry bulb temperature None of these Wet bulb temperature Partial pressure of vapour Dry bulb temperature None of these Wet bulb temperature Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Perforated tray Packed Wetted wall Bubble cap Perforated tray Packed Wetted wall Bubble cap ANSWER DOWNLOAD EXAMIANS APP