A 2-metre diameter water pipe is required to withstand a 200 meter head of water. Assuming the limiting tensile stress for the pipe material to be 200 kg/cm, the minimum thickness of the material of the pipe to be used will have to be

A 2-metre diameter water pipe is required to withstand a 200 meter hea

1.	A 2-metre diameter water pipe is required to withstand a 200 meter head of water. Assuming the limiting tensile stress for the pipe material to be 200 kg/cm, the minimum thickness of the material of the pipe to be used will have to be
A.	5 cm
B.	10 cm
C.	15 cm
D.	20 cm
Answer» C. 15 cm

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A 2-metre diameter water pipe is required to withstand a 200 meter head of water. Assuming the limiting tensile stress for the pipe material to be 200 kg/cm, the minimum thickness of the material of the pipe to be used will have to be

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