Quiznetik

Basic of Civil Engineering | Set 1

1. Stones are obtained from rocks that are made up of:

Correct : B. Minerals

2. Which one of the following is not a classification of stones?

Correct : B. Mineralogical Classification

3. The hot molten material occurring naturally below the surface of the Earth is called:

Correct : C. Magma

4. At what depth and rate is a hypabyssal rock formed?

Correct : B. Quick cooling of magma at a shallow depth

5. What is a sedimentary deposit?

Correct : D. Insoluble weathered product is carried away in suspension

6. Which of the following is not a metamorphic change?

Correct : A. Calcite to schist

7. Which of the following rocks are hard and durable?

Correct : B. Siliceous rocks

8. Foliated structure is very common in case of:

Correct : D. Metamorphic rocks

9. Granite is a type of:

Correct : A. Plutonic rock

10. Which of the following is a good fire-resistant stone?

Correct : A. Clay

11. What is sand composed of?

Correct : A. Silica

12. Which of the following sand type is excellent for use in mortar and concrete work?

Correct : C. Pit sand

13. Which IS code gives the grading of sand?

Correct : B. IS 383

14. What type of grains constitutes river sand?

Correct : D. Rounded

15. How many classifications are there for sand based on the grain size distribution?

Correct : A. 3

16. Fine sand is generally used for which of the following works?

Correct : C. Plastering

17. How is M-sand produced?

Correct : D. Crushing granite stones

18. By which of the following ways is lime obtained?

Correct : C. Burning limestone

19. Which of the following pairs is matched properly?

Correct : B. Class B – Mortar

20. Which of the following is a property of Fat Lime?

Correct : C. High degree of plasticity

21. Lime obtained from calcination of Pure Limestone is called:

Correct : A. Quick Lime

22. Which of the following slakes after few minutes?

Correct : D. Feebly Hydraulic Lime

23. Which of the following types of Lime does not exist?

Correct : B. Roman Lime

24. Why is natural cement used very limitedly?

Correct : C. Sets too quickly

25. Who invented Portland cement and in which year?

Correct : B. William Aspdin, 1840s

26. What is the average particle size of cement?

Correct : A. 15 microns

27. What is the meaning of soundness of cement?

Correct : D. Ability to retain volume after setting.

28. Time elapsed from the instance of adding water until paste ceases to behave as fluid is called:

Correct : A. Initial setting time

29. Which of the below mentioned is not a result of field test performed on cement?

Correct : C. The colour should be blackish grey

30. Which equipment is used to test the setting time of cement?

Correct : D. Vicat apparatus

31. What is the initial setting time of cement?

Correct : B. 30 minutes

32. Use of coarser cement particles leads to:

Correct : A. Low durability

33. Green cement is:

Correct : C. Cement mixed with recycled materials

34. What is the depth the needle in Vicat apparatus should penetrate into the cement paste in consistency test?

Correct : B. 33-35 mm from top of the mould

35. What is the most dominant constituent of cement?

Correct : B. Lime

36. Deficiency of lime in cement leads to:

Correct : C. Quick setting of cement

37. What effect does calcium sulphate have on cement?

Correct : A. Retards setting action

38. Which of the following adds a quick-setting property to cement?

Correct : D. Aluminium oxide

39. Which of the following imparts greenish grey colour to cement?

Correct : C. Calcium aluminate ferrite

40. Excess of Alkali in cement results in:

Correct : B. Efflorescence

41. What function does iron oxide perform in cement?

Correct : D. Acts as flux

42. What is the abbreviation of PPC?

Correct : C. Portland Pozzolana Cement

43. Which of the following is not an advantage of rapid hardening cement?

Correct : D. Higher final setting time

44. How many types of cement are there based on the ability to set in presence of water?

Correct : A. 2

45. What property does air-entraining cement provide?

Correct : A. Workability

46. How many constituents are there in the brick earth?

Correct : A. 5

47. Which one of the below is the most important ingredient in the brick earth?

Correct : C. Silica

48. In what form should lime be present in the brick earth?

Correct : D. Powder

49. Excess of oxides of iron makes the brick:

Correct : C. Dark blue in colour

50. What happens to raw bricks if an excess of alumina is present?

Correct : D. Shrinkage

51. What is the harmful effect of presents of alkali in brick earth on bricks?

Correct : B. Efflorescence

52. Why do bricks become brittle when excess silica is present?

Correct : D. Cohesion is lost

53. Which of the following leads to the formation of small pores in brick?

Correct : C. Organic matter

54. The presence of which of the below renders clay totally unsuitable for brick manufacture?

Correct : A. Kallar

55. Unburnt bricks are also called:

Correct : C. Kucha bricks

56. Burnt bricks can be further classified into how many types?

Correct : B. 4

57. First class bricks are used for:

Correct : D. Pavements

58. The minimum crushing strength of third class brick is:

Correct : A. 3.5 N/mm2

59. Which of the following is not a feature of second class bricks?

Correct : B. Water absorption is between 20-25%

60. Trees are generally classified, based on the mode of growth into:

Correct : A. 2

61. What is the life time of a moderately durable timber?

Correct : D. 5-10 years

62. Which of the following is an example of soft wood?

Correct : C. Deodar

63. Which IS Code gives a classification of commercial timbers and their zonal distribution?

Correct : B. IS 399

64. Hard wood is strong in tension and weak in compression.

Correct : B. False

65. Exogenous trees are further divided into:

Correct : C. 2

66. Which of the below is a property of soft wood?

Correct : A. Medullary rays are less distinct

67. Fine Aggregates should pass through which IS sieve?

Correct : C. 4.75mm

68. How many types of fine aggregates are there based on source?

Correct : A. 3

69. What is the fineness modulus value of a fine sand?

Correct : B. 2.2-2.6

70. M-Sand has ___________ type of particle shape.

Correct : D. Cubical

71. The specific gravity for sand is:

Correct : A. 2.6

72. Graded aggregate contains particles of size:

Correct : C. Multi grade

73. Flaky particles have:

Correct : A. Small thickness

74. Which size coarse aggregate is ideal for use in a concrete mix?

Correct : C. Larger

75. In crushing test on coarse aggregates, what size particle is taken as a sample?

Correct : D. Passing 12.5mm and retained on 10mm IS sieve

76. Gravel is a type of:

Correct : D. Irregular aggregate

77. A building can be mainly divided into how many components?

Correct : B. 3

78. D.P.C (Damp Proof Course) is mainly laid on:

Correct : D. Plinth

79. Floor in a building

Correct : A. Separates levels

80. Which of the below is constructed above doors, windows?

Correct : C. Lintel

81. What is the level below window called?

Correct : C. Sill level

82. Wall is mainly of how many types?

Correct : B. 2

83. ___________ wall is used to resist lateral forces like severe wind.

Correct : D. Shear wall

84. The outer projection on the tread of a stair is:

Correct : D. Nosing

85. Mortar comes from the Latin word:

Correct : D. Mortarium

86. The first used Mortar was:

Correct : B. Mud mortar

87. Polymer Cement Mortar (PCM) is used primarily for:

Correct : A. Repairing concrete structure

88. The guidelines for preparation for mortar is given in:

Correct : B. IS 2250-1981

89. Which of the below is added to make mortar fire proof?

Correct : D. Aluminous cement

90. The setting speed of mortar can be increased using:

Correct : A. Lime

91. Which of the below mortar can settle under water?

Correct : B. Pozzolana

92. Which stone is used for buildings situated in industrial towns?

Correct : B. Compact sandstone

93. Rubble masonry is sub-divided into:

Correct : C. 6

94. Which of the below joints is used for masonry in arches?

Correct : C. Rebated

95. Which ratio of cement mortar is used for stone masonry?

Correct : B. 1:3

96. Ashlar masonry uses:

Correct : A. Dimension stones

97. __________ masonry occupies an intermediate position between rubble masonry and ashlar masonry.

Correct : C. Ashlar block in a course

98. Great skill and skilled labour are required for laying:

Correct : D. Dry rubble masonry

99. How many types of brick masonry are possible?

Correct : A. 4

100. In which bond brick is laid with its length in the direction of a wall?

Correct : C. Stretcher