Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Seive-plate column Packed tower Wetted wall column Bubble-cap plate column Seive-plate column Packed tower Wetted wall column Bubble-cap plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbant is used in the refinning of sugar? Bone charcoal Activated clay Wood charcoal Silica gel Bone charcoal Activated clay Wood charcoal Silica gel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Neither A nor B Diffusion Both A & B Bulk flow Neither A nor B Diffusion Both A & B Bulk flow ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Attractive forces between like and unlike molecules in the solution are approximately equal Size of component molecules are not equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar Attractive forces between like and unlike molecules in the solution are approximately equal Size of component molecules are not equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The vapour pressure exerted by the moisture contained in a wet solid depends upon the Nature of the solid All of these Nature of the moisture Temperature Nature of the solid All of these Nature of the moisture Temperature ANSWER DOWNLOAD EXAMIANS APP
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