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Q. |
What should be the thickness of a cast iron pipe 45 cm diameter if it is required to sustain 6 kg/sq cm inside pressure ? The maximum stress in the pipe material being limited to 140 kg/cm2 |
A. | 12 mm |
B. | 10 mm |
C. | 7.5 mm |
D. | 5 mm |
E. | 15 mm |
Answer» B. 10 mm |
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