Mass Transfer Large scale drying of wheat is done in a __________ dryer. Tray Fluidised bed Spouted bed Vacuum rotary Tray Fluidised bed Spouted bed Vacuum rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dimension of diffusivity is same as that of the Velocity head Molal concentration Kinematic viscosity Density Velocity head Molal concentration Kinematic viscosity Density ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Partial pressure of vapour Wet bulb temperature None of these Dry bulb temperature Partial pressure of vapour Wet bulb temperature None of these Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp = M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force.) Kc = Kp = Km None of these Kc = Kp . RT = Km . RT/p Kc = Kp/RT = Km . RT/P Kc = Kp = Km None of these Kc = Kp . RT = Km . RT/p Kc = Kp/RT = Km . RT/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S > 1 S = ∞ S = 1 S < 1 S > 1 S = ∞ S = 1 S < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility does not change appreciably with the change in Temperature Total pressure Vapour pressure of either component None of these Temperature Total pressure Vapour pressure of either component None of these ANSWER DOWNLOAD EXAMIANS APP