1. Bricks are made ofa) clay b) gravel c) concrete

2. The most common method in brick production isa) the soft mud method b) the dry press method c) extrusion

3. In the soft mud method, the clay mix is fired a) at 3000-4000° b) at 800-900° c) at 900-1000°

4. In the dry press method5. an hydraulic press is used b) the clay mix is thicker c) lime, ash and organic

and burnt for a longer time organic matter are added

6. Facing bricks area) ordinary b) cheap c) used for decorations

7. One of the properties of bricks isa) malleability b) durability c) versatility

8. Concrete is obtained froma) gravel b) soft slate c) calcium silicate

9. Reinforced concrete is obtained addinga) a wire mesh b) mortar c) steel bars

10. Mortar can be ofa) one type b) two types c) three types

11. Blocks area) large and hollow b) small with small holes c) small and brittle

12. Grout isa) crushed stone b) gravel c) fluid concrete

13. Reinforced masonry is given bya) block+grout+lime b) block+Portland cement c)block+grout+reinforcing

+ lime rods