MCQOPTIONS
Saved Bookmarks
| 1. |
The target mean strength of the M20 grade concrete is 27 N/mm2. What is the value of standard deviation? |
| A. | 2.01 |
| B. | 3.5 |
| C. | 4.24 |
| D. | 5 |
| Answer» D. 5 | |