1. What is the pressure pA in the figure? The specific gravity of the oil is 0.8.
![460_Figure 5.jpg](https://secure.tutorsglobe.com/CMSImages/460_Figure%205.jpg)
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.
![1559_Figure 6.jpg](https://secure.tutorsglobe.com/CMSImages/1559_Figure%206.jpg)
3. What is the pressure difference between points A and B if d1 = 1.7 ft., d2 = 1 in., and d3 = 6.3 in.?
![823_Figure 7.jpg](https://secure.tutorsglobe.com/CMSImages/823_Figure 7.jpg)