An open tank contains 1.9 m of water floating on 10.3 cm of mercury. What is the pressure in pounds per square foot absolute on the bottom of the tank? Oil (SG = 0.93) is pumped from a well. If the...

An open tank contains 1.9 m of water floating on 10.3 cm of mercury. What is the pressure in pounds per square foot absolute on the bottom of the tank?

Oil (SG = 0.93) is pumped from a well. If the pump is 11.7 ft above the surface of the oil, what pressure must the pump be able to generate to lift the oil up to the pump?