11 June, 2021 VideRime 0 Comments 1 category 12345678910111213141516171819202122232425262728293031323334353637383940Show paginatorHide paginator 25%Page 1 of 4 Loading...1. According to IS 399-1963, the weight of the timber is specified at14% moisture content10% moisture content8% moisture content12% moisture content Loading...2. Good quality stones mustBe durableResist action of acidsBe free from clayAll the above Loading...3. Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength The correct answer is (ii) and (iii) (iii) and (iv) (i) and (ii)(i)and(iv) Loading...4. Pick up the correct statement from the following: Method of sawing timberIn four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing methodTangentially to annual rings, is known as tangential methodCut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawingAll of these Loading...5. Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite The correct answer isAll (i), (ii) and (iii)Only (iii)Both (i) and (iii)Both (ii) and (iii) Loading...6. As per IS specifications, the maximum final setting time for ordinary Portland cement should be1 hour30 minutes6 hours10 hours Loading...7. In the method of condensation polymerization, The reaction proceeds with an evolution of ammoniaLow-molecular substances are removed from the high molecular substanceAll of theseThe reaction proceeds with an evolution of hydrogen chloride Loading...8. Pick up the correct statement from the following:All of theseStyrene resin is light in weightStyrene resin transmits ultraviolet waves of lightStyrene resin is produced from ethylene which is made from petroleum Loading...9. Shingle isDecomposed lateriteAir weathered rockCrushed graniteWater bound pebbles Loading...10. Pick up the correct statement from the following:The free quartz suddenly expands at a temperature lower than 600°CThe lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2All of theseThe sand stone with silicates resist a fire in a better wayPage 2 of 4 Loading...11. Assertion A : Paints with white lead base are not recommended for painting of iron works.Reason R : Paints with white lead base do not check rusting of iron.Select your answer according to the coding system given below:Both A and R is true and, R is the correct explanation of AA is true but R is falseBoth A and R is true but R is not the correct explanation of AA is false but R is true Loading...12. The initial setting time for ordinary Portland cement as per IS specifications should not be less than60 minutes600 minutes10 minutes30 minutes Loading...13. Sand stone isIgneous rockMetamorphic rockVolcanic rockSedimentary rock Loading...14. Spalling hammer is used forRough dressing of stonesCarving of stonesDriving wooden headed chiselsBreaking small projection of stones Loading...15. Plywood is normally available2 mm thick3 mm to 4 mm thick2 to 3 mm thick1 mm thick Loading...16. Specific gravity for most of the building stones lies between3.0 to 3.51.5 to 2.02.5 to 3.02.0 to 2.5 Loading...17. In a mortar, the binding material isCinderSurkhi (brick-dust)CementSand Loading...18. Quick lime is (i) Slow in setting (ii) Rapid in slacking (iii) Good in strength The correct answer isBoth (i) and (ii)Only (i)Only (ii)Both (ii) and (iii) Loading...19. Initial setting time of cement for asbestos cement products should be not less than90 minutes75 minutes30 minutes50 minutes Loading...20. Quick lime isCalcium hydroxideNone of the aboveCalcium carbonateCalcium oxidePage 3 of 4 Loading...21. Lime putty Is made by adding lime to waterAll of theseIs made from hydraulic limeCan be used only upto three days Loading...22. The vehicle used in case of enamel paints is usuallyLinseed oilVarnishNone of theseWater Loading...23. A good building stone should not absorb water more than5 %10 %20 %15 % Loading...24. Index number expressing the relative sizes of both coarse and fine aggregates, is calledProportioning of aggregatesFineness modulusNone of theseGrading of aggregates Loading...25. Resins areLeft behind on evaporation of oilNot soluble in waterUsed in varnishesSoluble in spirit Loading...26. The age of a tree can be known by examiningHeart woodCambium layerAnnular ringsMedullary rays Loading...27. The slenderness ratio for masonry walls should not be more than10403020 Loading...28. Percentage of silica in a good brick earth lies between5 to 10 %20 to 30 %50 to 60 %70 to 80 % Loading...29. Rapid hardening cement attains early strength due toExcess percentage of gypsumLarger proportion of lime grounded finer than normal cementLesser proportion of lime grounded coarser than normal cementLesser proportion of lime grounded finer than normal cement Loading...30. Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is30°90°0°45°Page 4 of 4 Loading...31. Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing The correct answer is(ii) and (iii)(i) and (iv)(i) and (ii)(iii) and (iv) Loading...32. Which of the following sedimentary rocks changes into quartzite by metamorphic action?Sand stoneGypsumShaleLime stone Loading...33. For the manufacture of Portland cement, the proportions of raw materials used, areLime 22% ; silica 63% ; other ingredients 15%Silica 40% ; lime 40% ; other ingredients 20%Lime 63% ; silica 22% ; other ingredients 15%Silica 70% ; lime 20% ; other ingredients 10% Loading...34. Pick up the correct statement from the following:Cupola furnace is used for the manufacture of cast ironAll of theseAir bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammerRed short iron is of no value for welding purpose Loading...35. The internal size of mould used in brick preparation isGreater than the size of a fully burnt brickNone of the aboveSmaller than the size of a fully burnt brickEqual to the size of a fully burnt brick Loading...36. Bullet proof glass is made of thick glass sheet sandwiched by a layer ofHigh test plasticStainless steelChromium plateSteel Loading...37. With increase in moisture content, the bulking of sandFirst increases to a certain maximum value and then decreasesIncreasesDecreasesFirst decreases to a certain minimum value and then increases Loading...38. Pick up the correct statement from the following:Pollark, an Austrian scientist prepared a substance from urea and formaldehyde and called it PlasticAlexander Parkes, a Scottish chemist prepared a hard material by mixing camphor and alcohol with nitro cellulose and called it, as ParkesiteAll of theseDr. L. Bakeland, a Belgian scientist prepared a product known as Bakelite Loading...39. The stone suitable for rubble masonry should be.ToughHardLightHeavy Loading...40. Pick up the correct statement from the following:In Siemens process, the impurities of pig iron are oxidized by the oxygen of the oreIn open-hearth process, the furnace heats the steelAll the aboveIn basic Bessemer process, the steel heats the converter Loading... Share this Now with Friends: Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram MoreRelatedTags: Building Material MCQs Category: Building Materials One Reply to “Building Materials MCQs Set-7”Can you be more specific about the content of your article? After reading it, I still have some doubts. Hope you can help me.ReplyLeave a ReplyCancel reply Post navigationPrevious: Building Material MCQs Set-6Next: Building Materials MCQs Set-8Related Posts Building Material MCQs Part 1[watupro 35] Read More Building Materials MCQs Set-10[watupro 131] Read More Building Materials MCQs Set-12[watupro 133] Read More
Can you be more specific about the content of your article? After reading it, I still have some doubts. Hope you can help me.Reply
Can you be more specific about the content of your article? After reading it, I still have some doubts. Hope you can help me.