1. Which of the following has more fire resisting characteristics?
Correct : C. Compact sand stone
2. The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called
Correct : A. Plutonic rocks
3. Plywood has the advantage of
Correct : C. Same tensile strength in all directions
4. Due to attack of dry rot, the timber
Correct : C. Reduces to powder
5. Excess of alumina in brick earth makes the brick
Correct : D. To crack and warp on drying
6. Pick up the correct statement from the following:
Correct : D. All the above
7. The constituent of cement which is responsible for all the undesirable properties of cement is
Correct : C. Tri-calcium aluminate
8. Inner part of a timber log surrounding the pitch, is called
Correct : C. Heart wood
9. For testing compressive and tensile strength of cement, the cement mortar is made by mixing
cement and standard sand in the proportions of
Correct : B. 1 : 3
10. If is the percentage of water required for normal consistency, water to be added for
determination of initial setting time, is
Correct : D. 0.85 P
11. The basic purpose of a retarder in concrete is
Correct : A. To increase the initial setting time of cement paste in concrete
12. Clay and silt content in a good brick earth must be at least
Correct : A. 50 %
13. Which of the following is the purest form of iron?
Correct : B. Wrought iron
14. If the iron ore contains clay as an impurity, the flux added during calcination, is
Correct : B. Lime stone
15. The stretcher bond in brick masonry can be used only when the thickness of wall is
Correct : A. 90 mm
16. The plywood
Correct : C. Has greater impact resistance to blows than ordinary wood
17. Pick up the correct statement from the following:
Correct : D. All the above
18. Advantage of a clamp compared to a kiln for burning bricks is that
Correct : C. It has less initial cost
19. Pick up the correct statement from the following:
Correct : D. All the above
20. Assertion A : Pure lime takes a long time to develop adequate strength.
Reason R : Pure lime has slow hardening characteristics. Select your answer according to the coding system given below:
Correct : A. Both A and R is true and R is correct explanation of A
21. During pudding
Correct : D. All the above
22. Early attainment of strength in rapid hardening cement is mainly due to
Correct : B. Finer grinding
23. Pick up the correct statement from the following:
Correct : D. All the above
24. Which of the following cements contains maximum percentage of dicalcium silicate?
Correct : B. Low heat cement
25. Pick up the incorrect statement from the following:
Correct : D. None of these
26. Which of the following stresses is used for identifying the quality of structural steel?
Correct : B. Yield stress
27. Quick lime
Correct : D. All the above
28. Assertion A : Normally turpentine oil is recommended as thinner for indoor painting.
Reason R : Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below:
Correct : B. Both A and R is true but R is not the correct explanation of A
29. Putty is
Correct : D. All the above
30. A mortar joint in masonry which is normal to the face of wall is known as
Correct : C. Cross joint
31. A volatile substance added to a paint to make its application easy and smooth, is known as
Correct : B. Solvent
32. Jumper is a tool used for
Correct : B. Quarrying of stones
33. Pick up the volcanic rock from the following:
Correct : C. Basalt
34. Sapwood consists of
Correct : B. Portion of timber between heartwood and cambium layer
35. Strength of cement concrete primarily depends upon
Correct : D. Water-cement ratio
36. The main function of alumina in brick earth is
Correct : A. To impart plasticity
37. Cast iron
Correct : D. All the above
38. Which of the following pairs gives a correct combination of the useful and harmful constituents
respectively of a good brick earth?
Correct : B. Silica and alkalies
39. Pick up the correct statement from the following:
Correct : D. All the above
40. Hydraulic lime is obtained by
Correct : B. Burning of kankar
41. Oil varnish generally consists of
Correct : C. Resin, oil and turpentine
42. For testing compressive strength of cement, the size of cube used is
Correct : B. 70.6 mm
43. When a brick is immersed in water for 24 hours and then dried, if
Correct : D. All the above
44. For sanitary pipes and chemical stonewares,
Correct : A. Salt glazing is used
45. The most commonly used retarder in cement is
Correct : A. Gypsum
46. The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's
surface are called
Correct : B. Hypabyssal rocks
47. The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is
Correct : A. Less than 1
48. Non acid-resistant asbestos is:
Correct : B. Chrysotile asbestos
49. The pressure acting on the stones in stone masonry construction should be
Correct : D. Perpendicular to the direction of bedding planes
50. Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp
during drying and burning, from the following:
Correct : A. Alumina
51. The type of bond provided in brick masonry for carrying heavy loads is
Correct : C. English bond
52. Blister steel
Correct : D. All the above
53. Gypsum is a
Correct : C. Chemically precipitated sedimentary rock
54. Seasoning of timber is done
Correct : D. To remove water
55. Which of the following is a rock?
Correct : C. Gypsum
56. The tendency of a stone is, to split along:
Correct : C. Cleavage
57. Which of the following stone is best suited for construction of piers and abutments of a railway
bridge?
Correct : A. Granite
58. Cast iron contains carbon approximately
Correct : A. 1.5% to 5.5%
59. Which of the following trees yields hard wood?
Correct : C. Shishum
60. Soundness of cement is tested by
Correct : B. Le-chatelier apparatus
61. First class timber has an average life of
Correct : D. More than 10 years
62. Bitumen may be dissolved in
Correct : D. Carbon disulphide
63. Which of the following ingredients of the brick earth enables the brick to retain its shape?
Correct : B. Silica
64. Veneering means
Correct : C. Thick layer of superior wood glued to inferior wood
65. Number of bricks required for one cubic metre of brick masonry is
Correct : C. 500
66. Which one of the following is used for preparing porcelain?
Correct : D. All of these
67. The main ingredients of Portland cement are
Correct : A. Lime and silica
68. Pick up the correct statement from the following:
Correct : D. All the above
69. After storage, the strength of cement
Correct : A. Decreases
70. A bull nose brick is not used for
Correct : D. Arches
71. The most common admixture which is used to accelerate the initial set of concrete is
Correct : B. Calcium chloride
72. Chlorite, a green colour mineral is mainly derived from the decomposition of
Correct : A. Augite
73. The ultimate tensile strength of structural mild steel is about
Correct : C. 420 N/mm²
74. Asbestos
Correct : D. All the above
75. A queen closer is a
Correct : C. Brick having the same length and depth as the other bricks but half the breadth
76. The percentage of alumina and silica in good fire clay vary respectively is
Correct : A. 25, 75
77. The proportions of lime and sand in the mortar normally used in brick construction are
Correct : A. 1 : 2
78. Index number expressing the relative sizes of both coarse and fine aggregates, is called
Correct : B. Fineness modulus
79. Which of the following sedimentary rocks changes into quartzite by metamorphic action?
Correct : A. Sand stone
80. Lime putty
Correct : D. All of above
81. The stone suitable for rubble masonry should be.
Correct : A. Hard
82. Pick up the correct statement from the following:
Correct : D. All the above
83. Spalling hammer is used for
Correct : B. Rough dressing of stones
84. Bullet proof glass is made of thick glass sheet sandwiched by a layer of
Correct : C. High test plastic
85. Plywood is made by bonding together thin layers of wood in such a way that the angle between
grains of any layer to grains of adjacent layers is
Correct : D. 90°
86. According to IS 399-1963, the weight of the timber is specified at
Correct : C. 12% moisture content
87. The internal size of mould used in brick preparation is
Correct : C. Greater than the size of a fully burnt brick
88. Pick up the correct statement from the following:
Correct : D. All the above
89. Quick lime is
Correct : B. Calcium oxide
90. Pick up the correct statement from the following:
Correct : D. All the above
91. The initial setting time for ordinary Portland cement as per IS specifications should not be less
than
Correct : B. 30 minutes
92. Rapid hardening cement attains early strength due to
Correct : A. Larger proportion of lime grounded finer than normal cement
93. With increase in moisture content, the bulking of sand
Correct : C. First increases to a certain maximum value and then decreases
94. Plywood is normally available
Correct : D. 3 mm to 4 mm thick
95. Compared to mild steel, cast iron has
(i) High compressive strength
(ii) High tensile strength
(iii) Low compressive strength
(iv) Low tensile strength
The correct answer is
Correct : D. (i) and (iv)
96. In a mortar, the binding material is
Correct : A. Cement
97. The vehicle used in case of enamel paints is usually
Correct : C. Varnish
98. In the method of condensation polymerization,
Correct : D. All of the above
99. The slenderness ratio for masonry walls should not be more than