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3. What is the pressure at the base of a water tower that has 35m of head? 4. What is the specific gravity of glycerin, if the specific weight of glycerin is 12.4 kN/m3? 5. What pressure in psi corresponds to 98.5 kPa? 6. The atmospheric pressure is 14.5 psi. If the absolute pressure is 2,865.6 psfa, what is the gauge pressure? 7. What is the gauge pressure in (a) kPa, and (b) N/cm2, at a distance 5.5 ft below the surface of a column of water? 8. What is the buoyant force on a plastic cube with 2.5m sides, floating in water, if three- quarters of the block is submerged? 9. What is the apparent weight of a 3.7m3 block of wood totally immersed in acetone?

10. The liquid in a manometer has a specific weight of 8.5 kN/ m3. If the liquid rises 83 cm higher in the lower pressure leg, what is difference in the pressure between the higher and the lower legs? 11. What is the liquid density in a manometer, if the difference in the liquid levels in the manometer tubes is 1.35m, and the differential pressure between the tubes is 7.85 kPa?