MCQOPTIONS
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| 1. |
Who developed the Benkelman beam deflection studies (BBD) and in which year? |
| A. | A.C Benkelman in 1935 |
| B. | C.A Benkelman in 1935 |
| C. | A.C Benkelman in 1953 |
| D. | C.A Benkelman in 1953 |
| Answer» D. C.A Benkelman in 1953 | |