The head $($pen stock$)$ is $30$ meters in Run$-$of$-$River Hydro Power Plant as shown in Figure $1.$ The typical flow rate of water in the turbine is $20$m$3/$s $.$ Express what would be happened in power generation $($i$)$ If the pen stock height increase $1\mathrm{.}5$ times? $($ii$)$ if the water flow rate in the diversion canal becomes suddenly double?