Compacting Factor Test

Q. Slump and compaction factors are two different measures of workability of concrete. For a slump of 0 to 20 mm, what is the equivalent range of compaction factor?

1. 0.50 - 0.70
2. 0.70 - 0.80
3. 0.80 - 0.85
4. 0.85 - 0.92

Q. A compaction factor of $0.88$ indicates that the workability of concrete mix is

1. Very low
2. Low
3. Medium
4. High

Q. Compaction factor of 0.85 indicates a mix of ________

1. Low workability
2. High workability
3. Very low workability
4. None of the above

Q. Workability of concrete mix with low water cement ratio is determined by

1. Tensile strength test
2. Water content test
3. Cube compression test
4. Compaction factor test