design $$an $$efficient $$and $$effective $$household $$water $$supply $$system $$that $$ensures $$constant $$water $$flow $$and $$pressure $$to $$various $$outlets$.$Imagine $$it $$as $$a $$one$-$story $$house $$and $$assume $$all $$possible $$numbers $$to $$solve $$the $$problem$.$

Include $$the $$schematics $$of $$the $$problem $$and $$write $$down $$the $$equations $$and $$any $$mathematical $$derivation $$or $$solutions$.$

$[$fluid $$mechanics$]$