A tank partially filled with water and pressurized to 6.8 psig has a circular gate in the side, 0.6 ft in diameter with an area of 0.283 ft2, hinged at the top. The top of the gate is 0.6 ft from the surface of the water. The center of pressure is 0.2 in below the centroid. The magnitude of the hydrostatic resultant force on the gate is 15.9 lbf. Local atmospheric pressure on the outside of the tank is 14.5 psia. What torque in ft-lbf is required at the hinge to keep the gate closed?
A tank partially filled with water and pressurized to 6.8 psig has a circular gate in the side, 0.6 ft in diameter with an area of 0.283 ft2, hinged at the top. The top of the gate is 0.6 ft from the surface of the water. The center of pressure is 0.2 in below the centroid. The magnitude of the hydrostatic resultant force on the gate is 15.9 lbf. Local atmospheric pressure on the outside of the tank is 14.5 psia. What torque in ft-lbf is required at the hinge to keep the gate closed?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A tank partially filled with water and pressurized to 6.8 psig has a circular gate in the side, 0.6 ft in diameter with an area of 0.283 ft2, hinged at the top. The top of the gate is 0.6 ft from the surface of the water. The center of pressure is 0.2 in below the centroid. The magnitude of the hydrostatic resultant force on the gate is 15.9 lbf. Local atmospheric pressure on the outside of the tank is 14.5 psia. What torque in ft-lbf is required at the hinge to keep the gate closed?
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