Q. |
Water pressure in a 80 cm water main is 10 kg/cm2. The minimum thickness of themetal 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» C. 2 cm |
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