Aseamless pipe 800mm diameter contains a fluid under a pressure of 2n/mm2. if the permissible tensile stress is 100n/mm2, find the minimum thickness of the pipe.

8 mm

Explanation:

Given:

Diameter, D = 800 mm

Pressure, P = 2 N/mm²

Permissible tensile stress, σ = 100 N/mm²

Now,

for the pipes, we have the relation as:

where, t is the thickness

on substituting the respective values, we get

or

t = 8 mm

Hence, the minimum thickness of pipe is 8 mm

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