The safe working pressure for a spherical vessel 1.5 m diameter and ha – McqOptions

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1.	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
A.	16 kg/cm²
B.	18 kg/cm²
C.	20 kg/cm²
D.	22 kg/cm²
Answer» D. 22 kg/cm²

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