1. Which of the following represents a metamorphic rock?
(i) Slate
(ii) Shale
(iii) Quartzite
The correct answer is
Correct : B. Both (i) and (iii)
2. For the manufacture of Portland cement, the proportions of raw materials used, are
Correct : A. Lime 63% ; silica 22% ; other ingredients 15%
3. A good building stone should not absorb water more than
Correct : A. 5 %
4. Good quality stones must
Correct : D. All the above
5. Specific gravity for most of the building stones lies between
Correct : C. 2.5 to 3.0
6. Initial setting time of cement for asbestos cement products should be not less than
Correct : D. 90 minutes
7. The age of a tree can be known by examining
Correct : B. Annular rings
8. Pick up the correct statement from the following:
Correct : D. All the above
9. Percentage of silica in a good brick earth lies between
Correct : C. 50 to 60 %
10. Resins are
Correct : C. Used in varnishes
11. Quick lime is
(i) Slow in setting
(ii) Rapid in slacking
(iii) Good in strength
The correct answer is
Correct : C. Both (i) and (ii)
12. Pick up the correct statement from the following:
Correct : D. All the above
13. As per IS specifications, the maximum final setting time for ordinary Portland cement should be
Correct : D. 10 hours
14. Shingle is
Correct : A. Decomposed laterite
15. 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
Correct : A. (i) and (ii)
16. Pick up the correct statement from the following: Method of sawing timber
Correct : D. All the above
17. Assertion A : Paints with white lead base are not recommended for painting of iron works.
Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below:
Correct : A. Both A and R is true and, R is the correct explanation of A
18. Pick up the correct statement from the following:
Correct : D. All the above
19. Expansion Joints in masonry walls are provided in wall lengths usater than
Correct : D. 40 m
20. Cast steel is manufactured by
Correct : B. Crucible process
21. Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt,
granite, marble, gypsum, mica
Correct : D. Quartz and mica are minerals
22. The foliated structure is very common in
Correct : C. Metamorphic rocks
23. Cross cut saw is used for
Correct : B. Cutting hard stones
24. Pick up the correct statement from the following:
Correct : D. All the above
25. A first class brick when immersed in cold water for 24 hours should not absorb water more than
Correct : B. 20 %
26. The minimum compressive strength of 2nd class bricks should be
Correct : A. 75 kg/cm2
27. Which of the following bricks are used for lining of furnaces?
Correct : C. Refractory bricks
28. Bulking of sand is caused due to
Correct : A. Surface moisture
29. According to IS specifications, the compressive strength of ordinary Portland cement after three
days should not be less than
Correct : C. 16 MPa
30. Pick up the correct statement from the following:
Correct : D. All the above
31. The amount of water used for one kg of distemper is
Correct : C. 0.6 liter
32. Smith's test of stones is performed to find out
Correct : A. The presence of soluble matter of stone
33. The most important tool in brick laying for lifting and spreading mortar and for forming joints is
Correct : A. Trowel
34. The weight of 1 m3
of brick earth, is about
Correct : C. 1800 kg
35. Which of the following is a mineral?
Correct : C. Quartz
36. Age of a tree may be ascertained by
Correct : D. Number of annual rings
37. Crushing strength of a good building stone should be more than
Correct : B. 100 MPa
38. Generally wooden moulds are made from
Correct : B. Shishum wood
39. The nominal size of the modular brick is
Correct : C. 200 mm × 100 mm × 100 mm
40. Bitumen is generally obtained from
Correct : C. Petroleum product
41. The main constituent which imparts hydraulicity to hydraulic lime is
Correct : C. Clay
42. Calcination of iron ores is done
Correct : D. All the above
43. Which of the following cements is suitable for use in massive concrete structures such as large
dams?
Correct : B. Low heat cement
44. The commonly used thinner in oil paints, is
Correct : C. Both (a) and (b)
45. Minimum thickness of wall where single Flemish bond can be used is
Correct : C. One and a half bricks thick
46. The pigment used in paints for corrosive resistance, is
Correct : D. Red lead
47. Slate is formed by metamorphic action on
Correct : A. Shale
48. Sea sand used in structures causes
Correct : D. All of these
49. The trunk of tree left after cutting all the branches is known as
Correct : A. Log
50. The weight of a good quality brick when immersed in water for a period of 16 hours should not
exceed the weight of dry brick
Correct : A. 20 %
51. Pug mill is used for
Correct : A. Preparation of clay
52. Pick up the synthetic resin from the following:
Correct : D. All of these
53. Addition of pozzolana to ordinary Portland cement increases
Correct : B. Shrinkage
54. Plastics are compounds of carbon with element
Correct : D. All of these
55. Paints with white lead base are suitable for painting of
Correct : A. Wood work
56. For a good building stone, its specific gravity should the greater than
Correct : D. 2.7
57. Sandstone is a
(i) Sedimentary rock
(ii) Aqueous rock
(iii) Siliceous rock
The correct answer is
Correct : D. All (i), (ii) and (iii)
58. The rocks having alumina or clay as their major constituents are known as
Correct : B. Argillaceous rocks
59. The practical limit of moisture content achieved in air drying of timber is
Correct : B. 15 %
60. Glazing of clay products, is done
Correct : D. All the above
61. Study the following statements.
(i) Hydraulic lime is suitable for white washing,
(ii) Fat lime is suitable for whitewashing,
(iii) Hydraulic lime is suitable for making mortar,
(iv) Fat lime is suitable for making mortar.
The correct answer is
Correct : B. (ii) and (iii)
62. The yield strength and tensile strength of low carbon steel may be improved by the addition of
Correct : D. Vanadium
63. Three basic raw materials which are needed in large quantities for production of steel are
Correct : C. Iron ore, coal and lime stone
64. To give a brilliant finish, the type of varnish used, is
Correct : B. Spirit varnish
65. Which of the following should be used for hearting of thicker walls?
Correct : A. Headers
66. Asbestos
Correct : D. All the above
67. A heavy stone is suitable for
Correct : D. Retaining walls
68. Pick up the correct statement from the following:
Correct : D. All the above
69. The percentage of alumina in a good brick earth lies between
Correct : B. 20 to 30 %
70. Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as
Correct : A. Bessemer pig
71. Le-Chatelier's device is used for determining the
Correct : B. Soundness of cement
72. Red short iron cracks when bent due to the presence of
Correct : A. Sulphur
73. Percentage of carbon content in mild steel is
Correct : A. Less than 0.25
74. The method of addition polymerization is used for obtaining:
Correct : D. All of these
75. Which of the following metamorphic rocks has the most weather resisting characteristics?
Correct : B. Quartzite
76. To retard the initial setting time of cement, the compound responsible, is
Correct : B. Gypsum
77. Seasoning of timber is done for
Correct : B. Decreasing moisture content
78. The steel used for the manufacture of rails, is
Correct : A. Bessemer steel
79. Durability of building stone is affected by its
Correct : D. All the above
80. Pick up the most favourable condition for the rapid growth of fungus for dry rot from the
following:
Correct : D. All the above
81. Crushing strength of a first class brick should not be less than
Correct : C. 10.5 N/mm²
82. Pick up the correct statement from the following:
Correct : D. All the above
83. The main constituent of cement which is responsible for initial setting of cement is
Correct : C. Tri-calcium aluminate
84. Pick up the correct statement from the following:
Correct : C. The low voltage porcelain is prepared by dry process
85. In brick masonry the bond produced by laying alternate headers and stretchers in each course is
known as
Correct : B. Double Flemish bond
86. In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they
Correct : C. Both (A) and (B)
87. Granite is not suitable for ordinary building purpose because
Correct : C. It is costly
88. Lacquer paints
Correct : D. All the above
89. Glazing is used to make earthenware
Correct : D. Impervious
90. In the cement the compound quickest to react with water, is
Correct : A. Tri-calcium aluminate
91. Which of the following gradients exerts maximum influence on properties of steel?
Correct : B. Carbon
92. Stainless steel contains
Correct : A. 18% of chromium and 8% nickel
93. Excess of silica in brick earth results in
Correct : B. Loss of cohesion
94. Which one of the following is acid resistant asbestos?
Correct : D. All the above
95. The slump recommended for mass concrete is about
Correct : A. 25 mm to 50 mm
96. For preparing porcelains, the clay should be
Correct : D. All the above
97. For melting one tonne of cast iron
Correct : D. All the above
98. Pick up the correct statement regarding low heat cement from the following: