Mass Transfer The cooling effect in a cooling tower can not be increased by None of these Reducing the humidity of entering air Lowering the barometric pressure Increasing the air velocity over the wet surfaces None of these Reducing the humidity of entering air Lowering the barometric pressure Increasing the air velocity over the wet surfaces ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and None of these Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing Dehumidified None of these Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing Dehumidified ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Increase Decrease Can either increase or decrease, depends on the system Remain unchanged Increase Decrease Can either increase or decrease, depends on the system Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture. None of these Unbound Bound Critical None of these Unbound Bound Critical ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity. Molal None of these Relative Percentage Molal None of these Relative Percentage ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is Used for multicomponent systems like crude refining Same as differential distillation Most useful for handling binary systems Same as simple distillation Used for multicomponent systems like crude refining Same as differential distillation Most useful for handling binary systems Same as simple distillation ANSWER DOWNLOAD EXAMIANS APP
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