| Q.29 | In conducting a standard consistency test of Ordinary Portland cement using Vicat apparatus as per IS 4031-1988, what is the penetration depth of the needle from the top of Vicat mould, for the paste to have normal consistency? | |
| Ans | A. 43 to 47 mm | |
| B. 23 to 27 mm | ||
| C. 33 to 35 mm | ||
| D. 13 to 17 mm |
Correct Ans Provided: C