Water main 800 mm in diameter contains water at a pressure head of 12 – McqOptions

MCQOPTIONS

1.	Water main 800 mm in diameter contains water at a pressure head of 120 m. If the density of water is 1000 kg/m3, determine the metal thickness with allowable tensile stress 24 N/mm2.
A.	10 mm
B.	20 mm
C.	24 mm
D.	18 mm
Answer» C. 24 mm

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