Mass Transfer Blowdown in a cooling tower All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water Is undesirable All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water Is undesirable ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of unsaturated air is more than its __________ temperature. Dew point Neither A nor B Both A & B Wet bulb Dew point Neither A nor B Both A & B Wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. -25 25 > 25 < 25 -25 25 > 25 < 25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature. Equal to More than Either A or B; depends on the solid Less than Equal to More than Either A or B; depends on the solid Less than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Humidity of inlet air Relative humidity of outlet air Temperature of the solid Flow rate of inlet air Humidity of inlet air Relative humidity of outlet air Temperature of the solid Flow rate of inlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dorr thickener is an equipment used for Classification Leaching Clarification Sedimentation Classification Leaching Clarification Sedimentation ANSWER DOWNLOAD EXAMIANS APP