MCQOPTIONS
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| 1. |
In case of Raymond pile |
| A. | lengths vary from 6 m to 12 m |
| B. | diameter of top of piles varies from 40 cm to 60 cm |
| C. | diameter of pile at bottom varies from 20 cm to 28 cm |
| D. | all the above. |
| Answer» E. | |