A. 33.94 ft H2O
B. 22.56 ft H2O
C. 11.24 ft H2O
D. None of the mentioned
This question was posed to me in final exam.
Question is taken from Pressure and Hydrostatic Head-III in chapter Introductory Concepts of Chemical Process Calculation
Best explanation: 760 mm Hg = 1 atm = 33.94 ft H2O.