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an unpressurised cylyndrical storage tank has a thin wall of 5mm thickness and is made of steel with a maximum strength of 400Mpa in tension

the tank radius is 3.75m

the tanks height is 20m

(the tank is standing on its base like a tower)

Determine the maximum height it may be filled with water if the density of water is 1Mg/m^3

i first thought i could use hydrostatic pressure here, saying that the pressure in the tank is uniform ? but now I am not so sure, that's the only kind of problem i have had so far, one where the pressure is uniform. if not how do i find the pressure? i think that logically the pressure at the bottom of the tank must be the highest, but how do i know exactly?

the tank radius is 3.75m

the tanks height is 20m

(the tank is standing on its base like a tower)

Determine the maximum height it may be filled with water if the density of water is 1Mg/m^3

i first thought i could use hydrostatic pressure here, saying that the pressure in the tank is uniform ? but now I am not so sure, that's the only kind of problem i have had so far, one where the pressure is uniform. if not how do i find the pressure? i think that logically the pressure at the bottom of the tank must be the highest, but how do i know exactly?

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