Building Materials 1000+ MCQ with answer for SSC MTS

1. French polish is
A. Oil paint
B. Distemper
C. Spirit varnish
D. None to these
Answer : C

2. The term frog means
A. An apparatus to lift the stone
B. A depression on a face of brick
C. Vertical joint in a brick work
D. Soaking brick in water
Answer : B

3. The proportions of lime and sand in the mortar normally used in brick construction are
A. 1 : 2
B. 1 : 4
C. 1 : 6
D. 1 : 8
Answer : A

4. Pick up the correct statement from the following:
A. Roasting is not necessary if iron ore is an oxide
B. Impurities float on the molten iron as slag
C. The slag contains lime about 45%
D. All the above
Answer : D

5. The rock generally used for roofing, is
A. Granite
B. Basalt
C. Slate
D. Pumice
Answer : C

6. A ferrous metal is
A. Cast iron
B. Wrought iron
C. Steel
D. All the above
Answer : D

7. German silver is an alloy of
A. Zinc, lead and nickel
B. Silver, gold and lead
C. Copper, nickel and zinc
D. Copper, brass and zinc
Answer : C

8. Pick up the correct statement from the following:
A. The plywoods do not split or crack due to changes in atmosphere
B. The commercial plywoods are available upto 150 cm wide and upto 300 cm long
C. The plywoods possess uniform tensile strength in all directions
D. All the above
Answer : D

9. Which one of the following is an air binding material?
A. Gypsum
B. Acid-resistant cement
C. Quick lime
D. All of these
Answer : D

10. Pick up the correct statement from the following:
A. In stone arches, the stones are placed with their natural beds radial
B. In cornices, the stones are placed with their natural beds as vertical
C. In stone walls, the stones are placed with their natural beds as horizontal
D. All the above
Answer : D

11. The type of bond provided in brick masonry for carrying heavy loads is
A. Single Flemish bond
B. Double Flemish bond
C. English bond
D. Zigzag bond
Answer : C

12. The most commonly used synthetic abrasive is
A. Aluminium carbide
B. Boric acid
C. Silicon
D. All of these
Answer : D

13. Asbestos cement
A. Is brittle
B. Warps due to changes in humidity
C. Strength is lowered when saturated by water
D. All of the above
Answer : D

14. The compound of Portland cement which reacts immediately with water and also sets first is
A. Tri-calcium silicate
B. Di-calcium silicate
C. Tri-calcium aluminate
D. Tetra calcium alumino ferrite
Answer : C

15. Which of the following cements is suitable for use in massive concrete structures such as large dams?
A. Ordinary Portland cement
B. Low heat cement
C. Rapid hardening cement
D. Sulphate resisting cement
Answer : B

16. Varnish is a transparent or semi-transparent solution of resinous substances in
A. Alcohol
B. Linseed
C. Turpentine
D. All the above
Answer : D

17. Softer variety of steel may be obtained by
A. Cementation process
B. Crucible process
C. Bessemer process
D. Open hearth process
Answer : C

18. Pick up the incorrect statement from the following:
A. Plastics are chemical resistant
B. Plastics are durable
C. Plastics are ductile
D. Plastics are excellent electric insulators
Answer : C

19. The maximum quantity of calcium chloride used as an accelerator in cement in percentage by weight of cement is
A. 1
B. 2
C. 3
D. 4
Answer : B

20. Expanded metal is
A. Manufactured from steel sheets
B. Used for reinforced concrete in road pavements
C. Measured in term of SWM (short way mesh) and LWM (long way mesh)
D. All the above
Answer : D

21. Quick lime
A. Generates heat when added to water
B. Reacts with carbon dioxide
C. May be used for white-washing
D. All the above
Answer : D

22. Pig iron is manufactured from the ores by
A. Dressing
B. Calcination and roasting
C. Smelting
D. All the above
Answer : D

23. Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following:
A. Alumina
B. Lime
C. Iron-oxide
D. Magnesia
Answer : A

24. Wrought iron contains carbon about
A. 1.5% to 5.5%
B. 0.5% to 1.75%
C. 0.1% to 0.25%
D. None to these
Answer : C

25. Which of the following metamorphic rocks has the most weather resisting characteristics?
A. Marble
B. Quartzite
C. Slate
D. Lime stone
Answer : B

26. Spalling hammer is used for
A. Driving wooden headed chisels
B. Rough dressing of stones
C. Carving of stones
D. Breaking small projection of stones
Answer : B

27. The slenderness ratio for masonry walls should not be more than
A. 10
B. 20
C. 30
D. 40
Answer : B

28. Durability of building stone is affected by its
A. Chemical composition
B. Texture
C. Resistance to atmosphere
D. All the above
Answer : D

29. For construction of structures under water, the type of lime used, is
A. Hydraulic lime
B. Fat lime
C. Quick lime
D. Pure lime
Answer : A

30. Pick up the correct statement from the following:
A. Styrene resin is produced from ethylene which is made from petroleum
B. Styrene resin is light in weight
C. Styrene resin transmits ultraviolet waves of light
D. All the above
Answer : D

31. Pick up the correct statement from the following:
A. Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38%
B. The bulking of fine sand is more than that of coarse sand
C. If the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing
D. All the above
Answer : D

32. Pick up correct statement from the following:
A. Fibre boards are used for thermal and acoustic control
B. Fibre boards are used for light weight standing members
C. Fibre boards are obtained by impregnating a resin product on fibres
D. All the above
Answer : D

33. Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth?
A. Lime stone and alumina
B. Silica and alkalies
C. Alumina and iron
D. Alkalies and magnesium
Answer : B

34. The variety of pig iron used for the manufacture of steel by Bessemer process, is
A. Bessemer pig
B. Grey pig
C. White forge pig
D. Mottled pig
Answer : A

35. Jumper is a tool used for
A. Testing of stones
B. Quarrying of stones
C. Dressing of stones
D. None of the above
Answer : B

36. The compound of Portland cement which contributes to the strength after two to three years is
A. Tri-calcium silicate
B. Di-calcium silicate
C. Tri-calcium aluminate
D. Tetra-calcium alumino ferrite
Answer : B

37. The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called
A. Cementation process
B. Crucible process
C. Bessemer process
D. Open hearth process
Answer : A

38. Spirit varnish generally consists of
A. Oil, wax and resin
B. Alcohol, wax and turpentine
C. Pigment and synthetic resin
D. Spirit and shellac
Answer : D

39. Pick up the correct statement from the following:
A. Blistering may be cured by applying water paint finished with oil paint dried with a little copal varnish
B. Cracked paints may be cured by removing paint and giving a fresh coat of paint
C. Crawling paints may be cured by sand preparing the surface and giving a fresh coat with plenty of turps
D. All the above
Answer : D

40. The coefficient of hardness of stones used in road work should be greater than
A. 10
B. 12
C. 15
D. 17
Answer : D

41. Refractory bricks are
A. Neutral refractory bricks
B. Acid refractory bricks
C. Basic refractory bricks
D. All the above
Answer : D

42. Initial setting time of cement for asbestos cement products should be not less than
A. 30 minutes
B. 50 minutes
C. 75 minutes
D. 90 minutes
Answer : D

43. Glazing of clay products, is done
A. To improve their appearance
B. To protect them from atmospheric effect
C. To protect them from corrosive action
D. All the above
Answer : D

44. During smelting process, the combination of fuel in the furnace
A. Forms carbon dioxide
B. Carbon dioxide with carbon forms carbon mono-oxide
C. Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2
D. All the above
Answer : D

45. A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
A. 10 %
B. 15 %
C. 20 %
D. 25 %
Answer : C

46. The method of addition polymerization is used for obtaining:
A. Polystyrene
B. Polypropylene
C. Polyvinylchloride
D. All of these
Answer : D

47. Pick up the correct statement from the following: Method of sawing timber
A. Tangentially to annual rings, is known as tangential method
B. In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method
C. Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing
D. All the above
Answer : D

48. The steel used in R.C.C. work is
A. Stainless steel
B. Mild steel
C. High carbon steel
D. Wrought iron
Answer : B

49. Lime mortar is generally made with
A. Quick lime
B. Fat lime
C. Hydraulic lime
D. Plain lime
Answer : C

50. In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is
A. Right angles
B. 45°
C. 60°
D. Parallel
Answer : A