Q. The safe working pressure for a spherical vessel 1.5 m diameter and having 1.5 cm thick wall not to exceed tensile stress 50kg/cm2, is (Solved)
1. 16 kg/cm2
2. 18 kg/cm2
3. 20 kg/cm2
4. 22 kg/cm2
- c. 20 kg/cm2
1. 16 kg/cm2
2. 18 kg/cm2
3. 20 kg/cm2
4. 22 kg/cm2