Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 2.5 to 3 1.2 to 1.5 5 3 to 4 2.5 to 3 1.2 to 1.5 5 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) FG/(G.a) (G.a)/FG F/(FG.a) L/(FG.G) FG/(G.a) (G.a)/FG F/(FG.a) L/(FG.G) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture. Dew point Dry bulb None of these Wet bulb Dew point Dry bulb None of these Wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 1.25 2.5 0.25 0.0025 1.25 2.5 0.25 0.0025 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following binary systems is an example of a maximum boiling azeotrope? None of the listed here Acetone-carbon disulphide Water-hydrochloric acid Water-ethyl alcohol None of the listed here Acetone-carbon disulphide Water-hydrochloric acid Water-ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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