Mass Transfer Flooding results in High gas velocity Low tray efficiency Good contact between the fluids High tray efficiency High gas velocity Low tray efficiency Good contact between the fluids High tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Greater than that computed for ideality Less than the sum of the vapour pressure of the components Less than that computed for ideality None of these Greater than that computed for ideality Less than the sum of the vapour pressure of the components Less than that computed for ideality None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer HETP is numerically equal to HTU, only when the operating line And equilibrium lines are parallel Lies above the equilibrium line Is far from the equilibrium line Lies below the equilibrium line And equilibrium lines are parallel Lies above the equilibrium line Is far from the equilibrium line Lies below the equilibrium line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During drying of a solid, the critical moisture content increases with Decreased drying rate Both B and C Increased drying rate Increased thickness of the solid Decreased drying rate Both B and C Increased drying rate Increased thickness of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Bubble-cap column Sieve-plate column Packed column (stacked) Randomly packed column Bubble-cap column Sieve-plate column Packed column (stacked) Randomly packed column ANSWER DOWNLOAD EXAMIANS APP
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