Multiple Choice
Calculate minimum wall thickness given a cylindrical prestressed water tank of internal diameter 30m over a depth of 7.5m and the permissible compressive stress at transfer is 13n/mm2 and the maximum compressive stress under working pressure is 1n/mm2 and the loss ratio is 0.75?
A) 43.8
B) 82.3
C) 64.5
D) 90.4
Correct Answer:

Verified
Correct Answer:
Verified
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