Home» Online Test » Civil Engineering » Construction Materials Online Test » Paper 1 » Paper 2 » Paper 3 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This is a FREE online test. Beware of scammers who ask for money to attend this test. Get New Questions in Each Attempt Total Questions: 30 Time Allotted: 30 minutes Passing Score: 50% Randomization: Yes Certificate: No Do not refresh the page! 👍 All the best! 1 / 30 1. Bitumen paint renders a) a protective surface b) a shining surface c) a smooth surface d) a hard surface 2 / 30 2. The paint used for automobiles is a) distemper b) emulsion paint c) oil paint d) any of the above 3 / 30 3. Identify the process responsible for the formation of igneous rocks a) solidification of molten mass of silicates below or at the surface of earth b) changes in texture or mineral composition or both of igneous and sedimentary rocks due to high temperature and heavy pressure c) deposited layers of sand and silt subjected to enormous overburden pressures over geological times d) none of the above 4 / 30 4. *The varnish is essentially made of a) resin b) solvent c) drier d) both (a) and (b) of above 5 / 30 5. Rocks having silica as the main constituent are called a) calcareous rocks b) argillaceous rocks c) siliceous rocks d) none of the above 6 / 30 6. The ingredient of the brick earth which enables the brick to retain its shape is a) aluminium b) silica c) iron oxide d) magnesia 7 / 30 7. The explosive not used for blasting the rocks underwater is a) gun powder b) gun cotton c) dynamite d) cordite 8 / 30 8. The maximum percentage of warping along the sides of tiles is a) 2% b) 5% c) 8% d) 1.10% 9 / 30 9. The rock having a tendency to split in a definite direction is called a) stratified b) unstratified c) foliated d) all of the above 10 / 30 10. The paints with white lead base are suitable for the painting of a) ironwork b) woodwork c) both (a) and (b) of above d) none of the above 11 / 30 11. The vehicle used in the case of enamel paints is a) varnish b) linseed oil c) water d) all of the above 12 / 30 12. The red color of the brick is due to a) iron oxide b) silica c) magnesia d) alumina 13 / 30 13. *Stainless steel resists corrosion due to a) carbon b) sulfur c) nickel d) chromium 14 / 30 14. German silver is an alloy of a) zinc, lead, and nickel b) copper, lead, and nickel c) copper, zinc, and nickel d) copper, lead, and zinc 15 / 30 15. The solvent used in cement paints is a) turpentine b) water c) spirit d) kerosene 16 / 30 16. *Anti-corrosive paint is ...........in color: a) black b) blue c) white d) yellow 17 / 30 17. *Normally the bricks (1st class) obtained from pazawah is about a) 30% b) 40% c) 50% d) 60% 18 / 30 18. *The oily liquid in which base and pigment are dissolved to form a paint is called a) thinner b) filler c) vehicle d) none of the above 19 / 30 19. Lime is mixed with brick earth a) to impart plasticity b) to increase durability c) to prevent shrinkage d) to increase impermeability 20 / 30 20. *The ingredient which gives the desired color to a paint is called a) base b) pigment c) vehicle d) solvent 21 / 30 21. The physical classification divides the rocks into a) calcareous, argillaceous, and silicious b) organic, semi-organic, and inorganic c) igneous, sedimentary, and metamorphic d) stratified, unstratified, and foliated 22 / 30 22. The strength of RHPC for one day is equal to...day of OPC a) 2 days b) 3 days c) 4 days d) 5 days 23 / 30 23. *Seasoning of timber is done to a) reduce the weight of timber b) reduce the chances of shrinkage c) increase the strength and durability d) all of the above 24 / 30 24. The advantage of adding pozzolana to lime is a) to impart greater strength b) all of the above c) to reduce shrinkage d) to increase resistance to cracking 25 / 30 25. *The minimum compressive strength of a 2nd class bricks should be a) 25 kg/cm^2 b) 70 kg/cm^2 c) 105 kg/cm^2 d) 140 kg/cm^2 26 / 30 26. The temperature at which bricks are burnt varies from (low melting clay) a) 400┬░ to 700┬░C b) 700┬░ to 1000┬░ C c) 1000┬░ to 1200┬░C d) 1200┬░ to 1500┬░ C 27 / 30 27. *Gravel is a type of a) igneous rock b) sedimentary rock c) metamorphic rock d) none of the above 28 / 30 28. *The strength of timber is maximum along a) parallel to the grain b) perpendicular to the grain c) 45┬░ to the grain d) the same in all directions 29 / 30 29. *Seasoning of timber is done for a) increasing moisture content b) decreasing moisture content c) increasing the strength of timber d) none of the above 30 / 30 30. When a bitumen is graded by 75/15, the figure 75 represents a) viscosity in centipoises b) softening point in ┬░C c) fire point in ┬░C d) flash point in ┬░C Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. 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