engineering recuitment AAI JE Technical Mock Test 2020-21 Strength of Materials Pressure Vessels Analysis of Thin Cylinder
A water main of 1 m diameter contains water at a pressure head of 100 m. The permissible tensile stress in the material of the water main is 25 MPa. What is the minimum thickness of the water main? (Take g = 10 m/s2)
1
10 mm
2
20 mm
3
50 mm
4
60 mm