Quiznetik

Building Materials | Set 4

1. Plastic

Correct : D. All the above

2. Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

Correct : C. Baulk

3. Rocks formed due to alteration of original structure due to heat and excessive pressure are called

Correct : C. Metamorphic rocks

4. Geologically, marble is known as

Correct : C. Metamorphic rock

5. Iron ore may contain

Correct : D. All the above

6. Pick up the incorrect statement from the following:

Correct : C. Plastics are ductile

7. The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:

Correct : C. Wind cracks

8. Pig iron is manufactured from the ores by

Correct : D. All the above

9. Pick up the correct statement from the following:

Correct : D. All the above

10. Jhumb bricks are

Correct : B. Over burnt

11. Pick up the correct statement from the following:

Correct : D. All the above

12. Refractory bricks resist

Correct : A. High temperature

13. The thermosetting plastic

Correct : D. All the above

14. Commonly used thinner in

Correct : D. All the above

15. The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as

Correct : B. Rindgalls

16. Bitumen completely dissolves in

Correct : D. All of these

17. A stone is rejected if it absorbs water more than

Correct : B. 10 %

18. The most commonly used synthetic abrasive is

Correct : D. All of these

19. During smelting process, the combination of fuel in the furnace

Correct : D. All the above

20. According to ISI, bitumen is classified into

Correct : D. 10 grades

21. Basalt is

Correct : C. Extrusive igneous rock

22. The size of mould for bricks, is generally kept

Correct : A. A little large to specified size

23. For construction of structures under water, the type of lime used, is

Correct : A. Hydraulic lime

24. French polish is

Correct : C. Spirit varnish

25. Ultimate strength to cement is provided by

Correct : B. Di-calcium silicate

26. Wrought iron contains carbon about

Correct : C. 0.1% to 0.25%

27. Galvanising means covering iron with a thin coat of

Correct : B. Zinc

28. The rocks in which argil (or clay) predominates, are called

Correct : B. Argillaceous rocks

29. Name the type of cement from the following for canal linings:

Correct : A. Sulphate resisting cement

30. Seasoning is

Correct : A. A process of removing sap

31. Soundness test of cement determines

Correct : A. Quality of free lime

32. Turpentine oil is used in paints as

Correct : A. Thinner

33. Stucco paints are suitable for

Correct : C. Both (A) and (B)

34. Stones used for ornamental work must be

Correct : A. Soft

35. Lime stone is not a

Correct : D. Metamorphic rock

36. Pick up the correct statement from the following:

Correct : D. All the above

37. Pick up the correct statement from the following:

Correct : D. All the above

38. Snowcrete is one of the patent forms of

Correct : B. Water proof cement paints

39. Cast iron is used for

Correct : C. Columns and struts

40. Pick up the correct statement from the following:

Correct : D. All the above

41. Good quality cement contains higher percentage of

Correct : A. Tri-calcium silicate

42. Laterite is a/an

Correct : B. Argillaceous rock

43. Seasoning of timber is essential to remove

Correct : B. Sap from timber

44. The term frog means

Correct : B. A depression on a face of brick

45. The presence of sand in brick earth prevents:

Correct : C. Warping of bricks

46. Refractory bricks are

Correct : D. All the above

47. A prime coat is given to steel work with

Correct : B. A mixture of white lead and lead paint

48. Teak wood is suitable for

Correct : B. Furnitures

49. Elastomers can extend upto

Correct : C. Ten times their original dimensions

50. Bitumen in

Correct : D. All the above

51. Varnish is a transparent or semi-transparent solution of resinous substances in

Correct : D. All the above

52. Refractory bricks are used for

Correct : D. Combustion chambers

53. Minimum required water cement ratio for a workable concrete, is

Correct : B. 0.40

54. Minimum of 40% of iron, is available in

Correct : D. Black band

55. Portland pozzolana cement possesses

Correct : D. All the above

56. Dextrin is

Correct : D. Rubber based adhesive

57. Mastic asphalt is normally used for

Correct : B. Water proofing

58. The steel which contains fissures and cavities, is manufactured by

Correct : A. Cementation process

59. Based on flow quality, the sequence of pipes is

Correct : B. C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes

60. Pick up the correct statement from the following:

Correct : D. All the above

61. Good quality sand is never obtained from

Correct : C. Sea

62. Lime mortar is generally made with

Correct : C. Hydraulic lime

63. Pick up the compound responsible for early strength of cement from the following:

Correct : B. Tri-calcium silicate

64. Linseed oil is used in paints as

Correct : D. Drier

65. Asphalt is obtained from

Correct : A. Petroleum distillation

66. Percentage content of silica in window glass, is

Correct : D. 70 to 75

67. Most commonly used solvent in oil paints, is

Correct : A. Petroleum

68. The harmonious mixing of the clay ingredients, is known as

Correct : B. Blending

69. Bitumen felt

Correct : D. All the above

70. The initial setting time of lime-pozzolana, is

Correct : D. 120 minutes

71. The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout

Correct : A. The monsoon

72. If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called

Correct : C. White or forge pig

73. Depending on the chemical composition and mechanical properties, iron may be classified as

Correct : D. All the above

74. The main constituent of fly-ash, is

Correct : D. All of these

75. Brittleness of cold is due to an excess of

Correct : C. Phosphorus

76. Asbestos cement

Correct : D. All of the above

77. Gneiss is obtained from

Correct : D. Sedimentary metamorphic rocks

78. Fibre glass

Correct : D. All the above

79. Pick up the correct statement from the following:

Correct : D. All the above

80. The commonly used colour pigment in paints, is

Correct : D. All the above

81. The variety of pig iron used for the manufacture of steel by Bessemer process, is

Correct : A. Bessemer pig

82. Vanadium steel is generally used for

Correct : D. Axles and springs

83. A badly mixed cement concrete results in

Correct : C. Honey combing

84. Chemically, marble is known as

Correct : C. Calcareous rock

85. The filler used in plastic bitumen, is

Correct : C. Asbestos powder

86. Mastic asphalt is generally used for

Correct : D. Both (A) and (B)

87. The most fire resistant paints are:

Correct : C. Asbestos paints

88. A pug mill is used for

Correct : C. Tempering brick earth

89. A good brick earth should contain:

Correct : D. All the above

90. The compound of Portland cement which contributes to the strength after two to three years is

Correct : B. Di-calcium silicate

91. Bessemer process is used for the manufacture of

Correct : D. Steel

92. Which one of the following is an air binding material?

Correct : D. All of these

93. A good quality stone absorbs water less than

Correct : A. 5 %

94. The slag which floats on the surface of the molten iron generally contains

Correct : D. All the above

95. For the manufacture of plywood, veneers are placed so that grains of adjacent veneers

Correct : A. Run at right angles

96. The commonly used drying oil for oil paints, is

Correct : D. Acetate of lead

97. Initial setting of cement is caused due to

Correct : C. Tri-calcium aluminate

98. Wrought iron is manufactured from pig iron by

Correct : D. All the above

99. Fibre boards can be

Correct : D. Used for furniture

100. Lime concrete is generally used for

Correct : B. Flooring at ground level