1. What is the pressure pA in the figure? The specific gravity of the oil is 0.8.
2. Find the difference in pressure between tanks A and B, if d1 = 2ft, d2 = 6 in., d3 = 2.4 in., and d4 = 4 in.
3. What is the pressure difference between points A and B if d1 = 1.7 ft., d2 = 1 in., and d3 = 6.3 in.?