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 fresh, 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. Plywood is generally available a) 1 mm thick b) 2 mm thick c) 2 to 3 mm d) 3 to 4 mm thick 2 / 30 2. Loss on ignition in cement should not exceed a) 1% b) 4% c) 8% d) 12% 3 / 30 3. The defect in painting caused due to the sliding of one layer of paint over another layer is known as a) wrinkling b) peeling c) alligatoring d) none of the above 4 / 30 4. The red color of the brick is due to a) iron oxide b) silica c) magnesia d) alumina 5 / 30 5. The crushing strength of 1st class brick should not be less than a) 25 kg/cm^2 b) 70 kg/cm^2 c) 105 kg/cm^2 d) 140 kg/cm^2 6 / 30 6. Based on its dry weight, a freshly felled tree may contain water a) 25% b) 50% c) 75% d) 100% 7 / 30 7. *The commonly used raw material in the manufacture of cement is a) slate b) sandstone c) limestone d) basalt 8 / 30 8. Lacquer paints are a) generally applied on structural steel b) are more durable compared to enamel paints c) consisting of resin and nitro-cellulose d) all of the above 9 / 30 9. Freshness of cement is decided on the basis of a) It should be free from lumps of set cement. b) When cement is rubbed between fingers and thumb, it should feel like a smooth powder. c) It feels cool after inserting a hand in the bag of cement. d) all of the above 10 / 30 10. The cracks in the painted surface extending throughout the thickness of the paint are caused due to a) improper seasoning of the painted wood b) excessive use of drier c) too many coats of paint resulting in excessive thickness d) all of the above 11 / 30 11. *Stainless steel resists corrosion due to a) carbon b) sulfur c) nickel d) chromium 12 / 30 12. Find the one which is not used in quarrying a) gun powder b) gun cotton c) marble powder d) dynamite 13 / 30 13. Generally, wooden molds are made from a) ply wood b) shisham c) pine wood d) teak wood 14 / 30 14. A prime coat is given to steelwork a) an oxide of iron paint b) a mixture of linseed oil & red lead c) an oxide of paint d) all of the above 15 / 30 15. Creosote oil is used to preserve the wood from a) rot and white ant b) fire hazards c) cracking d) none of the above 16 / 30 16. *Le-Chatelier's apparatus is used to carry out a) consistency test b) soundness test c) compressive strength d) tensile strength 17 / 30 17. *Spalling hammer is used for a) rough dressing of stones b) quarrying of stones c) carving of stones d) priming needle 18 / 30 18. The soil good for making bricks is a) clay soil (silica & alumina) b) alluvial c) silt d) sand and silt 19 / 30 19. Choose the correct a) percentage of silica is increased in 1st class brick b) percentage of alumina is increased in 1st class brick c) percentage of alumina is increased in refractory brick d) all of the above 20 / 30 20. The building stone used for bridge piers and columns is a) granite b) limestone c) marble d) sandstone 21 / 30 21. The main component of oil paint is a) carrier b) thinner c) pigment d) all of the above 22 / 30 22. A dry powder obtained on treating quick lime with just enough water to satisfy its chemical affinity for water under the condition of its hydration is called a) hydraulic lime b) hydrated lime c) milk of lime d) none of the above 23 / 30 23. Excess of iron oxide in brick earth causes a) loss of cohesion b) decay of bricks c) the color change i.e. from red to dark blue d) none of the above 24 / 30 24. The main function of alumina in brick earth is a) to impart plasticity b) to increase durability c) to prevent shrinkage d) to increase impermeability 25 / 30 25. The fineness of cement is tested by: a) air permeability method b) le-chatlier method c) vicat's apparatus d) all of the above 26 / 30 26. The strength of cement is reduced by.......after 6 months a) 20% b) 30% c) 40% d) 50% 27 / 30 27. The type of cement is considered good if a) it contains C3S in large amounts b) it contains C2S in large amounts c) it contains C3A in large amounts d) all of the above 28 / 30 28. Stone generally used for railway ballast is a) sandstone b) dolomite c) marble d) basalt or trap, granite 29 / 30 29. *If the molten magma forces itself into an already existing rock in the earth's crust and solidifies there, such a rock is known as a) metamorphic rock b) extrusive rock c) intrusive rock d) igneous rock 30 / 30 30. In the manufacture of plywood, the veneers are placed such that the grains of one layer are a) at 45┬░ with the grains of the other b) at right angles with the grains of the other c) at 60┬░ with the grains of the other d) parallel to the grains of the other Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score isShare your achievement! LinkedIn Facebook 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Construction Materials MCQ PDF for Offline Study