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. *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 2 / 30 2. *The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as a) knots b) rind galls c) burls d) none of the above 3 / 30 3. Dormant period (2-5hr) is concerned with a) hydration of cement b) fineness of cement c) soundness of cement d) workability of cement 4 / 30 4. *The setting and hardening of cement after the addition of water occur due to a) binding action of water b) hydration and hydrolysis of some constituent compounds of cement which act as glue c) evaporation of water d) none of the above 5 / 30 5. The dry process of manufacturing cement has become obsolete because, in comparison to the wet process a) it is slow and costly b) the quality of cement produced by it is inferior c) it is difficult to maintain the correct proportions of constituents d) all of the above 6 / 30 6. The rocks which are formed due to the cooling of magma at a considerable depth from the earth's surface are called a) Hypabyssal rocks b) Volcanic rocks c) Plutonic rocks d) Igneous rocks 7 / 30 7. *Brass is an alloy of a) copper and zinc b) copper and tin c) copper and nickel d) copper and chromium 8 / 30 8. 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 9 / 30 9. Pumice is a type of a) igneous rock b) sedimentary rock c) metamorphic rock d) none of the above 10 / 30 10. As per IS specification, the minimum time for the initial setting of ordinary Portland cement is a) 20 minutes b) 30 minutes c) 60 minutes d) 10 hours 11 / 30 11. *The lime suitable for making mortar is a) quick lime b) fat lime c) hydraulic lime d) pure lime 12 / 30 12. The main constituents of Portland cement are: a) lime, silica, and alumina b) lime, alumina, and potash c) alumina, silica, and iron oxide d) lime, alumina, and iron oxide 13 / 30 13. Stone generally used for railway ballast is a) sandstone b) dolomite c) marble d) basalt or trap, granite 14 / 30 14. Based on its dry weight, a freshly felled tree may contain water a) 25% b) 50% c) 75% d) 100% 15 / 30 15. *Impregnating of timber is done to increase a) fire resistance of timber b) seasoning of timber c) weight of timber d) none of the above 16 / 30 16. *Finely powdered burnt clay is called: a) fly ash b) surkhi c) bricquette d) moraine 17 / 30 17. The standard size of the brick as per the Indian standard is a) 20├ù10├ù10 cm b) 23x12x8 cm c) 19├ù9├ù9 cm d) 18├ù9├ù9 cm 18 / 30 18. In the case of a clamp for the burning of bricks, the bricks/fuel are laid at a slope of... a) 10┬░ b) 15┬░ c) 20┬░ d) 25┬░ 19 / 30 19. *Conglomerate is a a) sedimentary rock b) granite rock c) metamorphic rock d) all of the above 20 / 30 20. The calcination of pure lime results in a) quick lime b) hydrated lime c) slaked lime d) fat lime 21 / 30 21. An artificial stone made from pieces of marble and cement and used for floor facing of walls, etc., is known as a) mosaic b) terrazzo c) marble d) none of the above 22 / 30 22. Tiles are used for a) covering the roofs and flooring b) making drains c) both (a) and (b) of above d) none of the above 23 / 30 23. *Which constituent is the best cementing material in cement? a) tri-calcium silicate b) tri-calcium aluminate c) di-calcium silicate d) free lime 24 / 30 24. 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 25 / 30 25. As compared to fat lime, the hydraulic lime sets a) faster b) slower c) same rate d) very slowly 26 / 30 26. *Distemper is used on a) roof top b) plastered surface exposed to weather c) plastered surface not exposed to weather d) unplastered surface exposed as well as not exposed to weather 27 / 30 27. The types of bricks used for the lining of the furnace/combustion chamber are a) refractory b) machine made c) handmade d) 1st class 28 / 30 28. *Oil varnish generally consists of a) resin, oil, and turpentine b) oil, wax, and resin c) synthetic resin and spirit d) spirit, oil, and wax 29 / 30 29. *The stone that exhibits the highest compressive strength is a) slate b) gneiss c) limestone d) granite 30 / 30 30. *Elastomers can extend up to a) ten times their original dimensions b) seven times their original dimensions c) five times their original dimensions d) three times their original dimensions 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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