A simple manometer contains glycerin and crude oil, both at 68◦F, as illustrated in Figure ECP 2.91. The left portion of the tube contains glycerin only. The right portion of the tube contains 0.5 ft...

A simple manometer contains glycerin and crude oil, both at 68◦F, as illustrated in Figure ECP 2.91. The left portion of the tube contains glycerin only. The right portion of the tube contains 0.5 ft of glycerin and 4 ft of crude oil. (a) Determine the height of the glycerin in the left portion of the manometer.