Water pressure in a 80 cm water main is 10 kg/cm². The minimum thickn – McqOptions

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1.	Water pressure in a 80 cm water main is 10 kg/cm². The minimum thickness of the metal required for the water main, not to be stressed more than 200 kg/cm², is
A.	1 cm
B.	1.5 cm
C.	2 cm
D.	2.5 cm
Answer» D. 2.5 cm

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