7. At ground level the atmospheric pressure is 101.325 kPa at 15 °C. Calculate the pressure at a point 6500 m above the ground, assuming (a) no density variation, (b) an isothermal variation of density with pressure. 8. If the barometer reads 750 mm of mercury, what absolute pressure corresponds to a gage pressure of 130 kPa? 9. Determine the absolute pressure corresponding to a vacuum of 20 cm of mercury when the barometer reads 745 mm of mercury. 10. If the pressure in a gas tank is 2.50 atmospheres, find the pressure in kPa and the pressure head in meter of water. 11. The gage pressure at the suction side of a pump shows a vacuum of 25 cm of mercury. Compute (a) pressure head in meter of water, (b) pressure in kPa, (c) absolute pressure in kPa if the barometer reads 750 mm of mercury. 12. The pressure of the air inside a tank containing air and water is 20 kPa absolute. Determine the gage pressure at a point 1.5 m below the water surface. Assume standard atmospheric pressure.

7. At ground level the atmospheric pressure is 101.325 kPa at 15 °C. Calculate the pressure at a point 6500 m above the ground, assuming (a) no density variation, (b) an isothermal variation of density with pressure. 8. If the barometer reads 750 mm of mercury, what absolute pressure corresponds to a gage pressure of 130 kPa? 9. Determine the absolute pressure corresponding to a vacuum of 20 cm of mercury when the barometer reads 745 mm of mercury. 10. If the pressure in a gas tank is 2.50 atmospheres, find the pressure in kPa and the pressure head in meter of water. 11. The gage pressure at the suction side of a pump shows a vacuum of 25 cm of mercury. Compute (a) pressure head in meter of water, (b) pressure in kPa, (c) absolute pressure in kPa if the barometer reads 750 mm of mercury. 12. The pressure of the air inside a tank containing air and water is 20 kPa absolute. Determine the gage pressure at a point 1.5 m below the water surface. Assume standard atmospheric pressure.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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