A completely mixed dilute suspension of sand particles having diameters 0.25,0.35,0.40 , 0.45 and $0.50 \mathrm{~mm}$ are filled in a transparent glass column of diameter $10 \mathrm{~cm}$ and height 2.50 $m$. The suspension is allowed to settle without any disturbance. It is observed that all particles of diameter $0.35 \mathrm{~mm}$ settle to the bottom of the column in $30 \mathrm{~s}$. For the same period of $30 \mathrm{~s}$, the percentage removal (round off to integer value) of particles of diameters 0.45 and 0.50 $m m$ from the suspension is

Question ID - 156985 | SaraNextGen Top Answer

A completely mixed dilute suspension of sand particles having diameters 0.25,0.35,0.40 , 0.45 and $0.50 \mathrm{~mm}$ are filled in a transparent glass column of diameter $10 \mathrm{~cm}$ and height 2.50 $m$. The suspension is allowed to settle without any disturbance. It is observed that all particles of diameter $0.35 \mathrm{~mm}$ settle to the bottom of the column in $30 \mathrm{~s}$. For the same period of $30 \mathrm{~s}$, the percentage removal (round off to integer value) of particles of diameters 0.45 and 0.50 $m m$ from the suspension is