1. The coefficient of hardness of stones used in road work should be greater than
2. The normal consistency of ordinary Portland cement is about
3. The rock generally used for roofing, is
4. To retard the initial setting time of cement, the compound responsible, is
5. Distemper is
6. Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is
7. Duco paints are
8. During pudding
9. With increase in moisture content, the bulking of sand
10. Paints with white lead base are suitable for painting of
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