MCQOPTIONS
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MCQOPTIONS
| 1. |
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» C. | |