Building Materials 1000+ MCQ with answer for CEED

1. Pick up the correct statement from the following:
A. Steel produced by open hearth process is milder than that obtained by the Bessemer process
B. Engineers prefer open hearth steel for structural purpose as it is more homogenous
C. Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel
D. All the above
Answer : D

2. The frog of a brick is normally made on its
A. Top face
B. Bottom face
C. Longer face
D. Shorter side
Answer : A

3. With storage, strength of cement
A. Increases
B. Decreases
C. Remains the same
D. None to these
Answer : B

4. 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

5. The slump recommended for mass concrete is about
A. 25 mm to 50 mm
B. 50 mm to 100 mm
C. 100 mm to 125 mm
D. 125 mm to 150 mm
Answer : A

6. Bituminous fells are used for
A. Covering A.C. sheets
B. Covering sloping roofs
C. D.P.C.
D. None to these
Answer : A

7. Linseed oil is used in paints as
A. Thinner
B. Vehicle
C. Base
D. Drier
Answer : D

8. Plywood is normally available
A. 1 mm thick
B. 2 mm thick
C. 2 to 3 mm thick
D. 3 mm to 4 mm thick
Answer : D

9. Dextrin is
A. Animal glue
B. Starch glue
C. Albumin glue
D. Rubber based adhesive
Answer : D

10. For the manufacture of stainless steel, steel is mixed with
A. Chromium
B. Nickel
C. Tungsten
D. None of these
Answer : A

11. Most commonly used solvent in oil paints, is
A. Petroleum
B. Spirit
C. Coal tar
D. Turpentine
Answer : A

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

13. Quartzite, a metamorphic stone is
A. Hard
B. Brittle
C. Crystalline
D. All the above
Answer : D

14. In a mortar, the binding material is
A. Cement
B. Sand
C. Surkhi
D. Cinder
Answer : A

15. Vanadium steel is generally used for
A. Railway switches and crossing
B. Bearing balls
C. Magnets
D. Axles and springs
Answer : D

16. Second class bricks
A. Are of dark brown colour
B. Produce a metallic sound when struck
C. Are well burnt
D. Are under burnt
Answer : B

17. The steel used for rails under heavy traffic and on sharp curves, is
A. Nickel steel
B. Chrome steel
C. Manganese steel
D. Vanadium steel
Answer : C

18. Index number expressing the relative sizes of both coarse and fine aggregates, is called
A. Proportioning of aggregates
B. Fineness modulus
C. Grading of aggregates
D. None of these
Answer : B

19. Geologically, marble is known as
A. Sedimentary rock
B. Igneous rock
C. Metamorphic rock
D. Stratified rock
Answer : C

20. The harmonious mixing of the clay ingredients, is known as
A. Weathering
B. Blending
C. Tempering
D. None of these
Answer : B

21. Mastic asphalt is
A. Acid resisting material
B. Non-corrosive material
C. Corrosive material
D. Heating-resisting material
Answer : B

22. The PVC doors and windows are preferred as they are
A. Rust proof
B. Rot proof
C. Water proof
D. All of these
Answer : D

23. The rocks in which argil (or clay) predominates, are called
A. Siliceous rocks
B. Argillaceous rocks
C. Calcareous rocks
D. Igneous rocks
Answer : B

24. Plastic bitumen is generally used for
A. Road pavements
B. Expansion joints
C. Crack fillings
D. None to these
Answer : C

25. Gypsum is a
A. Mechanically formed sedimentary rock
B. Igneous rock
C. Chemically precipitated sedimentary rock
D. Metamorphic rock
Answer : C

26. The constituent of cement which is responsible for all the undesirable properties of cement is
A. Di-calcium silicate
B. Tri-calcium silicate
C. Tri-calcium aluminate
D. Tetra calcium alumino ferrite
Answer : C

27. A first class brick when immersed in cold water for 24 hours should not absorb water more than
A. 15 %
B. 20 %
C. 22 %
D. 25 %
Answer : B

28. Slate is formed by metamorphic action on
A. Shale
B. Lime stone
C. Sand stone
D. Granite
Answer : A

29. A stone is rejected if it absorbs water more than
A. 5 %
B. 10 %
C. 15 %
D. 20 %
Answer : B

30. To retard the initial setting time of cement, the compound responsible, is
A. Tri-calcium silicate
B. Gypsum
C. Di-calcium silicate
D. Tri-calcium aluminate
Answer : B

31. Excess of silica in brick earth results in
A. Cracking and warping of bricks
B. Loss of cohesion
C. Enhancing the impermeability of bricks
D. None of the above
Answer : B

32. The pressure acting on the stones in stone masonry construction should be
A. Along the direction of bedding planes
B. At 45° to the direction of bedding planes
C. At 60° to the direction of bedding planes
D. Perpendicular to the direction of bedding planes
Answer : D

33. A rock contains only one mineral. It is called
A. Homogeneous
B. Non-homogeneous
C. Monomineralic
D. Polymineralic
Answer : C

34. If water required for 1 bag of cement is 30 litres, the water cement ratio is:
A. 0.40
B. 0.50
C. 0.60
D. None of these
Answer : C

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. Which of the following ingredients of the brick earth enables the brick to retain its shape?
A. Alumina
B. Silica
C. Iron
D. Magnesia
Answer : B

37. 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

38. 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

39. 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

40. Sea sand used in structures causes
A. Dampness
B. Efflorescence
C. Disintegration
D. All of these
Answer : D

41. The variety of pig iron used for manufacture of wrought iron, is
A. Bessemer pig
B. Grey or foundry pig
C. White forge pig
D. Mottled pig
Answer : C

42. 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

43. Due to attack of dry rot, the timber
A. Cracks
B. Shrinks
C. Reduces to powder
D. None of these
Answer : C

44. 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

45. Polymerization helps to improve the property of
A. Strength
B. Rigidity
C. Elasticity
D. All of these
Answer : D

46. Dorry's testing machine is used for
A. Crushing test of stone
B. Hardness test of stone
C. Impact test of stone
D. Water absorption test
Answer : B

47. Bitumen completely dissolves in
A. Carbon bisulphide
B. Chloroform
C. Coal tar
D. All of these
Answer : D

48. The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called
A. Plutonic rocks
B. Hypabyssal rocks
C. Volcanic rocks
D. Igneous rocks
Answer : B

49. The portion of the brick cut across its width and having its length equal to that of a full brick, is known as
A. Closer
B. Queen closer
C. King closer
D. Prince closer
Answer : B

50. Teak wood is suitable for
A. Sports articles
B. Furnitures
C. Railway sleepers
D. All the above
Answer : B