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1000+ Building Materials MCQ for LIC ADO [Solved]

Thursday 9th of March 2023

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1. Pick up the volcanic rock from the following:
A. Granite
B. Dolerite
C. Basalt
D. All the above
Answer : C
2. Bulking of sand is caused due to
A. Surface moisture
B. Air voids
C. Viscosity
D. Clay contents
Answer : A
3. After storage, the strength of cement
A. Decreases
B. Increases
C. Remains same
D. May increase or decrease
Answer : A
4. Pick up the synthetic resin from the following:
A. Urea resin
B. Phenolic resin
C. Resorcinol resin
D. All of these
Answer : D
5. Hydraulic lime is obtained by
A. Burning of lime stone
B. Burning of kankar
C. Adding water to quick lime
D. Calcination of pure clay
Answer : B
6. The steel used in R.C.C. work is
A. Stainless steel
B. Mild steel
C. High carbon steel
D. Wrought iron
Answer : B
7. Porcelain is used as:
A. Sanitary wares
B. Electric insulators
C. Storage vessels
D. Reactor chambers
Answer : D
8. 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
9. Which of the following should be used for hearting of thicker walls?
A. Headers
B. Stretchers
C. Brick bats
D. Queen closer
Answer : A
10. Pick up the correct statement from the following:
A. Rusting is caused due to combined action of air, moisture and carbon dioxide
B. During rusting, first ferrous bicarbonates are formed
C. On further oxidation ferrous bicarbonates get converted to ferric bicarbonates
D. All the above
Answer : D
11. Pick up the correct statement from the following:
A. The low voltage porcelain is prepared by wet process
B. The high voltage porcelain is prepared by dry process
C. The low voltage porcelain is prepared by dry process
D. None of the above
Answer : C
12. Bitumen in
A. Solid state, is called asphalt
B. Semi fluid state, is called mineral tar
C. Fluid state, is called petroleum
D. All the above
Answer : D
13. Lime mortar is generally made with
A. Quick lime
B. Fat lime
C. Hydraulic lime
D. Plain lime
Answer : C
14. Shingle is
A. Decomposed laterite
B. Crushed granite
C. Water bound pebbles
D. Air weathered rock
Answer : A
15. Jhumb bricks are
A. Under burnt
B. Over burnt
C. Kutcha
D. None of these
Answer : B
16. Linseed oil is used in paints as
A. Thinner
B. Vehicle
C. Base
D. Drier
Answer : D
17. 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
18. Pick up the correct statement from the following:
A. The phenol is carbolic acid
B. The phenol is either extracted from coal-tar or prepared from benzene
C. Phenol reacts with formaldehyde, to form phenol formaldehyde resin
D. All the above
Answer : D
19. Chlorite, a green colour mineral is mainly derived from the decomposition of
A. Augite
B. Biotite
C. Hornblende
D. All of these
Answer : A
20. Dry rot
A. Cracks the timber
B. Reduces the strength of timber
C. Reduces the timber to powder
D. Spoils the appearance of timber
Answer : C
21. Knots in timber are
A. Defects caused by crushing fibres
B. Splits radiating from the centre
C. Speckled strains
D. Signs of branches cut off
Answer : D
22. Pick up the correct statement from the following:
A. The lime in excess makes the cement unsound and causes the cement to expand and disintegrate
B. The silica in excess makes the cement stronger but its setting time also increases
C. The excess amount of alumina weakens the cement
D. All the above
Answer : D
23. Lime putty
A. Is made from hydraulic lime
B. Is made by adding lime to water
C. Can be used only upto three days
D. All of above
Answer : D
24. Mastic asphalt is normally used for
A. Sound insulation
B. Water proofing
C. Fire proofing
D. None to these
Answer : B
25. The commonly used lime in white washing, is
A. White lime
B. Fat lime
C. Hydraulic lime
D. Quick lime
Answer : B
26. Pick up the correct statement from the following:
A. Quick lime is obtained by burning pure lime stone
B. Hydraulic lime is obtained by burning lime stone containing clay 5% to 30%
C. Poor lime is obtained by burning lime stone containing impurities more than 5%
D. All the above
Answer : D
27. A prime coat is given to steel work with
A. An oxide of iron paint
B. A mixture of white lead and lead paint
C. A special paint
D. Cement paint
Answer : B
28. Duco is one of the patent forms of
A. Emulsion paints
B. Plastic paints
C. Bituminous paints
D. Cellulose paints
Answer : D
29. Based on its dry weight, a freshly felled tree may contain water
A. 25 %
B. 50 %
C. 75 %
D. 100 %
Answer : D
30. When a brick is immersed in water for 24 hours and then dried, if
A. No grey or white deposits appear on the surface, the brick is free from soluble salts
B. 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence
C. 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence
D. All the above
Answer : D
31. For the manufacture of Portland cement, the proportions of raw materials used, are
A. Lime 63% ; silica 22% ; other ingredients 15%
B. Lime 22% ; silica 63% ; other ingredients 15%
C. Silica 40% ; lime 40% ; other ingredients 20%
D. Silica 70% ; lime 20% ; other ingredients 10%
Answer : A
32. 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. Rindgalls
C. Burls
D. None of these
Answer : B
33. Number of bricks required for one cubic metre of brick masonry is
A. 400
B. 450
C. 500
D. 550
Answer : C
34. Bullet proof glass is made of thick glass sheet sandwiched by a layer of
A. Steel
B. Stainless steel
C. High test plastic
D. Chromium plate
Answer : C
35. A good brick earth should contain:
A. About 20% to 30% of alumina
B. About 50% to 60% of silica
C. Not more than 5% of lime
D. All the above
Answer : D
36. The most important tool in brick laying for lifting and spreading mortar and for forming joints is
A. Trowel
B. Square
C. Bolster
D. Scutch
Answer : A
37. The portion of the brick without a triangular corner equal to half the width and half the length, is called
A. Closer
B. Queen closer
C. King closer
D. Squint brick
Answer : C
38. Which of the following is the purest form of iron?
A. Cast iron
B. Wrought iron
C. Mild steel
D. High carbon steel
Answer : B
39. If the ore impurities is
A. Clay, lime stone is used as flux
B. Lime stone, clay is used as flux
C. Quartz, lime stone and argillaceous iron ores are used as flux
D. All the above
Answer : D
40. Excess of alumina in brick earth makes the brick
A. Impermeable
B. Brittle and weak
C. To lose cohesion
D. To crack and warp on drying
Answer : D
41. The main constituent which imparts hydraulicity to hydraulic lime is
A. Calcium oxide
B. Silica
C. Clay
D. Water
Answer : C
42. The main ingredients of Portland cement are
A. Lime and silica
B. Lime and alumina
C. Silica and alumina
D. Lime and iron
Answer : A
43. Bitumen felt
A. Is used as water proofing material
B. Is used as damp proofing material
C. Is made from bitumen and hessian fibres
D. All the above
Answer : D
44. Rapid hardening cement contains
A. Tri-calcium silicate
B. Tri-calcium aluminate
C. Tetra-calcium alumino-ferrite
D. Di-calcium silicate
Answer : A
45. Stucco paints are suitable for
A. Stone masonry
B. Brick walls
C. Both (A) and (B)
D. Neither (A) nor (B)
Answer : C
46. 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
47. Generally wooden moulds are made from
A. Ply wood
B. Shishum wood
C. Deodar wood
D. Teak wood
Answer : B
48. 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
A. (i) and (ii)
B. (i) and (iv)
C. (ii) and (iii)
D. (iii) and (iv)
Answer : A
49. Pick up the correct statement from the following:
A. Hornblende mineral is brittle
B. Muscovite is also known as white mica and potash mica
C. Biotite is also known as black-mica
D. All the above
Answer : D
50. Bitumen paints offer
A. Pleasing surface
B. Hard surface
C. Smooth surface
D. Protective surface
Answer : D

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