Building Materilas Mock test – 4 || Civil Engineering Mock tests Welcome to your Building Materials Mock test - 4 Take an exciting test in Building Materials You have only 20 mins to complete the test (25 Questions) Wish you all the best!!! Name Email 1. The portion of a brick cut to form angles other than right angles in plan, is known as A. queen closer B. king closer C. closer D. squint brick.2. Lime stone is not a A. sedimentary rock B. stratified rock C. aqueous rock D. metamorphic rock.3. The most durable varnish is A. water varnish B. spirit varnish C. turpentine varnish D. oil varnish4. Jhumb bricks are A. under burnt B. over burnt C. kutcha D. none of these.5. A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called A. slate B. plank C. board D. strip.6. The minimum compressive strength of 1st class bricks should be A. 75 kg/cm2 B. 90 kg/cm2 C. 100 kg/cm2 D. 120 kg/cm27. The steel which contains fissures and cavities, is manufactured by A. Cementation process B. Crucible process C. Bessemer process D. Open hearth process.8. The main ingredient of a good quality brick earth, is A. magnesia B. lime C. silica D. alumina.9. The initial setting time of hydraulic lime, is A. 30 minutes B. 60 minutes C. 90 minutes D. 120 minutes10. Rapid hardening cement contains A. Tri-calcium silicate B. Tri-calcium aluminate C. Tetra-calcium alumino-ferrite D. Dicalcium silicate.11. Plastic bitumen is generally used for A. road pavements B. expansion joints C. crack fillings D. none to these.12. The size of modular bricks, is A. 10 x 10 x 9 cm B. 19 x 9 x 9 cm C. 22.5 x 10 x 8.5 cm D. 22.5 x 8.0 x 9 cm.13. Strength of cement concrete primarily depends upon A. quality of water B. quantity of aggregate C. quantity of cement D. water-cement ratio.14. The kiln which may work throughout the year, is A. Clamp B. Bull's kiln C. Hoffman's kiln D. none of these.15. A volatile substance added to a paint to make its application easy and smooth, is known as A. base B. solvent C. vehicle D. none to these.16. Softer variety of steel may be obtained by A. Cementation process B. crucible process C. Bessemer process D. Open hearth process.17. In a rock calcium carbonate predominates. State whether it is : A. Sillicious rock B. Argillaceous rock C. Calcareous rock D. None of these.18. Generally wooden moulds are made from A. ply wood B. shisham wood C. deodar wood D. teak wood19. The commonly used thinner in oil paints, is A. naptha B. turpentine C. both (a) and (b) D. neither (a) nor (b)20. Mastic asphalt is normally used for A. sound insulation B. water proofing C. fire proofing D. none to these.21. Age of a tree may be ascertained by A. radius of its stem B. circumference of its stem C. number of branches D. number of annual rings.22. The cast iron when heated to red heat with powdered red haemetite in an oven for increasing its toughness, is converted to A. grey cast iron B. white cast iron C. mottled cast iron D. toughed cast iron.23. In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is A. right angles B. 45° C. 60° D. parallel24. The percentage of water for normal consistency, is A. 5% to 15% B. 10% to 25% C. 15% to 25% D. 20% to 30%25. Bitumen is generally obtained from A. organic material B. synthetic material C. petroleum product D. coal.