Definition of Hemisphere. Hemisphere is the exact half of a sphere. More About Hemisphere. When a plane cuts across a sphere at its center, it forms two hemispheres. Surface area of a hemisphere of radius r is given by 2pr2. Volume of a hemisphere of radius r is given by 2/3pr3.
First, low water in the toilet BOWL case. If the water in the toilet BOWL is low after flushing, I see four likely causes, in order of most likelihood -. 1) the fill valve is not putting enough water into the toilet bowl.
Otherwise, for a toilet installed below the waterline, or one which becomes below the waterline when the boat is heeled, pumping flushing water in (and waste water out) will induce a siphon effect â flooding and eventually sinking your boat. Anti-Siphon Valves are essential!