At a speed of $1800 \mathrm{rpm}$, a centrifugal pump discharges $50 \mathrm{~L} \mathrm{~s}^{-1}$ at its best point of efficiency for a total head of $25 \mathrm{~m}$. The specific speed of the pump in rpm (round off to 2 decimal places ) is____________
At a speed of $1800 \mathrm{rpm}$, a centrifugal pump discharges $50 \mathrm{~L} \mathrm{~s}^{-1}$ at its best point of efficiency for a total head of $25 \mathrm{~m}$. The specific speed of the pump in rpm (round off to 2 decimal places ) is____________