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| Q.67 | Estimate the quantity of first class arch work (in m3 units) for an opening of span 2 m subtending 60° angle at centre and 20 cm thick to be provided in a 20 cm thick brick wall? | |
| Ans | A. 0.0056π | |
| B. 0.28π | ||
| C. 0.007π | ||
| D. 0.028π |
Correct Ans Provided: D
