A cylindrical steel tank having an internal diameter of 50 in. is submerged in seawater (weight density =64 lb/ft3) to a depth of 9750 ft. The internal gage pressure in the tank is 1600 psi. (a) If the allowable stress of the steel is 32 ksi, what is the minimum allowable outside diameter of the tank? (b) What is the maximum tensile stress before the tank is immersed? Determine the external pressure of the seawater at a depth of 9750 ft. po= psi Determine the maximum magnitude of σr produced in the tank. σr = psi Based on the maximum magnitude of σr produced in the tank from Part 2, is there an outside diameter for which the radial stress magnitude will exceed the allowable stress of the steel in this case? More calculations are needed. No Yes For this case, choose the correct statement regarding the maximum magnitude circumferential normal stress. It occurs at the outer surface of the tank, and it is tensile. It occurs at the outer surface of the tank, and it is compressive. It occurs at the inner surface of the tank, and it is tensile. It occurs at the inner surface of the tank, and it is compressive. Determine the minimum outside diameter of the tank. Dmin= in. Choose the correct statement regarding the maximum tensile stress before the tank is immersed. It is the radial normal stress at the inner surface of the tank. It is the circumferential normal stress at the outer surface of the tank. It is the circumferential normal stress at the inner surface of the tank. It is the radial normal stress at the outer surface of the tank. Determine the maximum tensile stress before the tank is immersed. σtensile,max= psi
A cylindrical steel tank having an internal diameter of 50 in. is submerged in seawater (weight density =64 lb/ft3) to a depth of 9750 ft. The internal gage pressure in the tank is 1600 psi.
(a) If the allowable stress of the steel is 32 ksi, what is the minimum allowable outside diameter of the tank?
(b) What is the maximum tensile stress before the tank is immersed?
Determine the external pressure of the seawater at a depth of 9750 ft.
| po= | psi |
Determine the maximum magnitude of σr produced in the tank.
σr = psi
Based on the maximum magnitude of σr produced in the tank from Part 2, is there an outside diameter for which the radial stress magnitude will exceed the allowable stress of the steel in this case?
For this case, choose the correct statement regarding the maximum magnitude circumferential normal stress.
It occurs at the outer surface of the tank, and it is tensile.
It occurs at the outer surface of the tank, and it is compressive.
It occurs at the inner surface of the tank, and it is tensile.
It occurs at the inner surface of the tank, and it is compressive.
Determine the minimum outside diameter of the tank.
| Dmin= | in. |
Choose the correct statement regarding the maximum tensile stress before the tank is immersed.
It is the radial normal stress at the inner surface of the tank.
It is the circumferential normal stress at the outer surface of the tank.
It is the circumferential normal stress at the inner surface of the tank.
It is the radial normal stress at the outer surface of the tank.
Determine the maximum tensile stress before the tank is immersed.
| σtensile,max= | psi |
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