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| Q. |
Pick up the incorrect statement from the following: |
| A. | a rich mix of concrete possesses higher strength than that a lean mix of desired workability with excessive quantity of water |
| B. | the strength of concrete decreases as the water cement ratio increases |
| C. | good compaction by mechanical vibrations, increases the strength of concrete |
| D. | none of these |
| Answer» A. a rich mix of concrete possesses higher strength than that a lean mix of desired workability with excessive quantity of water | |
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