| Q.13 | Which of the following is NOT a characteristic of ashlar stone masonry? | |
| Ans | A. Horizontal and vertical lines should not vary more than 3 mm and 6 mm, respectively. | |
| B. No portion of the dressed surface should be more than 10 mm from a straight edge placed on it. | ||
| C. Every stone must be cut to the required size and shape to give truly vertical and horizontal joints. | ||
| D. No point on the faces should vary more than about 1 mm when tested with a 60 cm straight edge. |
Correct Ans: B
