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: 50 Time Allotted: 50 minutes Passing Score: 70% Randomization: Yes Certificate: Yes Do not refresh the page! 👍 All the best! 1 / 50 1. *All burnt bricks are soaked in water for at least.......before use with cement mortars. a) 4 hours b) 3 hours c) 2 hours d) 1 hour 2 / 50 2. A pug mill is used for a) softening brick earth b) moulding brick earth c) tempering brick earth d) all of the above 3 / 50 3. Most weather-resisting metamorphic rock is a) lime stone b) slate c) marble d) quartzite 4 / 50 4. The maximum percentage of clay content for making good tiles is about a) 20% b) 30% c) 40% d) 50% 5 / 50 5. *Bitumen is used for a) waterproofing b) damp proofing c) joint filler d) all of the above 6 / 50 6. Sandstone contains mostly a) quartz and lime b) quartz, lime, and silica c) silica, aluminium, and lime d) igneous 7 / 50 7. *Plastic bitumen is generally used for a) road pavements b) painting c) expansion joints d) crack filling 8 / 50 8. *The defect in painting over a smooth and glossy surface due to which paint does not stick to the surface, is known as a) scaling b) blistering c) sagging d) wrinkling 9 / 50 9. *Pug mill is used for a) clay preparation b) clay moulding c) brick drying d) brick burning 10 / 50 10. *Turpentine oil is used in paints as a a) base b) thinner c) drier d) vehicle 11 / 50 11. Excess of alumina in a brick earth causes a) loss of cohesion b) impermeable c) cracking and warping on drying d) brittleness 12 / 50 12. *When water is added to cement, the cement hydrates, and chemical reactions take place while cement is setting, an increase in temperature occurs, and a considerable quantity of heat is generated. This phenomenon is called a) heating of cement b) hydration of cement c) watering of cement d) none of the above 13 / 50 13. *A thin sheet of wood sliced from a log of wood is called a) plywood b) laminated board c) veneer d) none of the above 14 / 50 14. *Workability is tested by a) slump test b) vee bee test c) C.F. test d) all of the above 15 / 50 15. The ordinary cement used in general construction is: a) rapid hardening cement b) Portland cement c) high alumina cement d) pozzolanic cement 16 / 50 16. Fracture of asbestos is a) regular b) irregular c) fibrous d) concoidal 17 / 50 17. The seven-day compressive strength of good Portland cement, as obtained from the compressive test on cement-sand mortar cubes, should not be less than a) 125 kg/cm^2 b) 150 kg/cm^2 c) 175 kg/cm^2 d) 200 kg/cm^2 18 / 50 18. *Strike is used to remove the a) crowded people b) stop the work c) surplus clay of the mould d) all of the above 19 / 50 19. A mortar prepared by mixing wood powder or sawdust to the cement or lime mortar is known as a) wood mortar b) cinder mortar c) gauged mortar d) light-weight mortar 20 / 50 20. Tripoli is a type of a) igneous rock b) sedimentary rock c) metamorphic rock d) none of the above 21 / 50 21. Which one is correct? a) PPC gains strength slowly as compared to OPC b) ultimate strength of PPC is higher than OPC c) PPC has higher resistance of chemical attack d) all of the above 22 / 50 22. The volume of one bag of cement weighing 50 kg is a) 0.05m^3 b) 0.0347m^3 c) 0.025m^3 d) 0.04m^3 23 / 50 23. *Plaster of Paris can be obtained from the calcination of a) limestone b) gypsum c) dolomite d) bauxite 24 / 50 24. *The function of paint is a) to give a clean, colorful, and pleasing surface b) to increase the life of the painted surface c) to protect the surface from corrosion and other weather effects d) all of the above 25 / 50 25. 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 26 / 50 26. Identify the geological classification of rocks a) calcareous, argillaceous, and silicious b) organic, semi-organic, and inorganic c) igneous, sedimentary, and metamorphic d) stratified, unstratified, and foliated 27 / 50 27. The maximum percentage of silt content for making good tiles is about a) 20% b) 30% c) 40% d) 50% 28 / 50 28. *The size of bull's trench kiln is a) circular b) parabolic c) elliptical d) all of the above 29 / 50 29. 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 30 / 50 30. *The process of adding water to lime to convert it into hydrated lime is known as a) hydration b) slaking c) calcination d) watering 31 / 50 31. Creosote oil is used to preserve the wood from a) rot and white ant b) fire hazards c) cracking d) none of the above 32 / 50 32. Stucco paints are suitable for a) stone masonry b) brick walls c) both (a) and (b) of above d) none of the above 33 / 50 33. Refractory bricks are specially manufactured a) to withstand high crushing pressure b) to withstand high temperature c) to have high insulation against sound d) none of the above 34 / 50 34. *Plywood is identified by a) volume b) weight c) thickness d) area 35 / 50 35. *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 36 / 50 36. 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 37 / 50 37. The discoloration and formation of white deposits due to the presence of a relatively large proportion of soluble salts in bricks is known as a) bloating b) chuffs c) efflorescence d) nodules 38 / 50 38. *Cement is said to be of good if a) its color is gray b) one feels cool by thrusting one's hand in the cement bag c) it is smooth when rubbed in between fingers d) all of the above 39 / 50 39. Ultimate strength to cement is provided by: a) Tricalcium silicate b) Dicalcium silicate c) Tricalcium aluminate d) Tetra-calcium alumino ferrite 40 / 50 40. *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 41 / 50 41. The fire clay contains pure a) Lime b) oxide of iron c) hydrated aluminium silicate d) mangesium 42 / 50 42. *Specific gravity for most of the ordinary building stone lines between a) 1.5 to 2.0 b) 2.0 to 2.5 c) 2.4 to 3.0 d) 3.0 to 3.5 43 / 50 43. Slate and marble stone belong to a) igneous rocks b) metamorphic rock c) sedimentary rock d) foliated rocks 44 / 50 44. The raw materials having more than 10% proportion in the manufacture of cement are a) calcium oxide and silica b) calcium oxide and magnesium oxide c) magnesium oxide and ferrous oxide d) silica and ferrous oxide 45 / 50 45. 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 46 / 50 46. PVC controls in paint a) gloss b) cohesion & adhesion c) durability & washability d) all of the above 47 / 50 47. 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 48 / 50 48. The color of statutory marble used for sculptor's work is a) red b) blue c) white d) green 49 / 50 49. The constituent responsible for the strength in granite is a) mica b) felspar c) quartz d) all of the above 50 / 50 50. The constituent responsible for setting of hydraulic lime underwater is a) silica b) clay c) calcium oxide d) carbon dioxide Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. 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