A cylindrical tank 9 m. high is filled with 2/3 full of water. The tank is reinforced with two hoops placed 1.2 m. from each end. Determine the ratio of the stress of the lower hoop to that of the upper hoop if the diameter of tank is 4 m. a) 9.81 b) 7.25 c) 8.36 d) 6.02

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