Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is None of these Less than the sum of the vapour pressure of the components Less than that computed for ideality Greater than that computed for ideality None of these Less than the sum of the vapour pressure of the components Less than that computed for ideality Greater than that computed for ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes No Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes No ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske equation determines the Height of the distillation column Minimum number of theoretical plates Optimum reflux ratio Maximum number of ideal plates Height of the distillation column Minimum number of theoretical plates Optimum reflux ratio Maximum number of ideal plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Parallel Straight Both A & B Neither A nor B Parallel Straight Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Mixture (to be separated) shows negative deviation from ideality Multicomponent distillation is involved Relative volatility is reasonably constant Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Multicomponent distillation is involved Relative volatility is reasonably constant Mixture (to be separated) shows positive deviation from ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Highest temperature is encountered at the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the liquid flow is its specific weight Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Highest temperature is encountered at the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the liquid flow is its specific weight Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column ANSWER DOWNLOAD EXAMIANS APP
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