

McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
Chapters
51. |
What is the harmful effect of presents of alkali in brick earth on bricks? |
A. | Discolourises bricks |
B. | Efflorescence |
C. | Porous bricks |
D. | Flaking |
Answer» B. Efflorescence |
52. |
Why do bricks become brittle when excess silica is present? |
A. | Pores are created |
B. | Flaking occurs |
C. | Thermal stability is lost |
D. | Cohesion is lost |
Answer» D. Cohesion is lost |
53. |
Which of the following leads to the formation of small pores in brick? |
A. | Iron pyrites |
B. | Pebbles |
C. | Organic matter |
D. | Alkalis |
Answer» C. Organic matter |
54. |
The presence of which of the below renders clay totally unsuitable for brick manufacture? |
A. | Kallar |
B. | Kankar |
C. | Hay |
D. | Lime |
Answer» A. Kallar |
55. |
Unburnt bricks are also called: |
A. | Dry bricks |
B. | Clayey bricks |
C. | Kucha bricks |
D. | Clamp bricks |
Answer» C. Kucha bricks |
56. |
Burnt bricks can be further classified into how many types? |
A. | 2 |
B. | 4 |
C. | 3 |
D. | 5 |
Answer» B. 4 |
57. |
First class bricks are used for: |
A. | Brick ballast in R.C.C |
B. | Boundary walls |
C. | Low height walls |
D. | Pavements |
Answer» D. Pavements |
58. |
The minimum crushing strength of third class brick is: |
A. | 3.5 N/mm2 |
B. | 7 N/mm2 |
C. | 10 N/mm2 |
D. | 20 N/mm2 |
Answer» A. 3.5 N/mm2 |
59. |
Which of the following is not a feature of second class bricks? |
A. | Have small irregularities |
B. | Water absorption is between 20-25% |
C. | Rectangular in shape |
D. | Free from cracks |
Answer» B. Water absorption is between 20-25% |
60. |
Trees are generally classified, based on the mode of growth into: |
A. | 2 |
B. | 4 |
C. | 6 |
D. | 3 |
Answer» A. 2 |
61. |
What is the life time of a moderately durable timber? |
A. | 10-20 years |
B. | 1-5 years |
C. | 10-15 years |
D. | 5-10 years |
Answer» D. 5-10 years |
62. |
Which of the following is an example of soft wood? |
A. | Sal |
B. | Oak |
C. | Deodar |
D. | Mahogany |
Answer» C. Deodar |
63. |
Which IS Code gives a classification of commercial timbers and their zonal distribution? |
A. | IS 620 |
B. | IS 399 |
C. | IS 401 |
D. | IS 190 |
Answer» B. IS 399 |
64. |
Hard wood is strong in tension and weak in compression. |
A. | True |
B. | False |
Answer» B. False |
65. |
Exogenous trees are further divided into: |
A. | 3 |
B. | 4 |
C. | 2 |
D. | 5 |
Answer» C. 2 |
66. |
Which of the below is a property of soft wood? |
A. | Medullary rays are less distinct |
B. | Annual rings are less distinct |
C. | Dark in colour |
D. | Close grained structure |
Answer» A. Medullary rays are less distinct |
67. |
Fine Aggregates should pass through which IS sieve? |
A. | 2.35mm |
B. | 45µ |
C. | 4.75mm |
D. | 75µ |
Answer» C. 4.75mm |
68. |
How many types of fine aggregates are there based on source? |
A. | 3 |
B. | 2 |
C. | 4 |
D. | 6 |
Answer» A. 3 |
69. |
What is the fineness modulus value of a fine sand? |
A. | <2.2 |
B. | 2.2-2.6 |
C. | <1 |
D. | 1-2 |
Answer» B. 2.2-2.6 |
70. |
M-Sand has ___________ type of particle shape. |
A. | Flaky |
B. | Round |
C. | Angular |
D. | Cubical |
Answer» C. Angular |
71. |
The specific gravity for sand is: |
A. | 2.6 |
B. | 2.65 |
C. | 2.8 |
D. | 2.75 |
Answer» A. 2.6 |
72. |
Graded aggregate contains particles of size: |
A. | Single grade |
B. | 4.75mm |
C. | Multi grade |
D. | <80mm |
Answer» C. Multi grade |
73. |
Flaky particles have: |
A. | Small thickness |
B. | Elongated sides |
C. | Sharp edges |
D. | Rounded edges |
Answer» A. Small thickness |
74. |
Which size coarse aggregate is ideal for use in a concrete mix? |
A. | Smaller |
B. | 4.75-10mm |
C. | Larger |
D. | 10-20mm |
Answer» C. Larger |
75. |
In crushing test on coarse aggregates, what size particle is taken as a sample? |
A. | Passing 12.5mm IS sieve |
B. | Retained on 10mm IS sieve |
C. | Passing 10mm and retained on 4.75mm IS sieve |
D. | Passing 12.5mm and retained on 10mm IS sieve |
Answer» D. Passing 12.5mm and retained on 10mm IS sieve |
76. |
Gravel is a type of: |
A. | Rounded aggregate |
B. | Angular aggregate |
C. | Flaky aggregate |
D. | Irregular aggregate |
Answer» D. Irregular aggregate |
77. |
A building can be mainly divided into how many components? |
A. | 2 |
B. | 3 |
C. | 6 |
D. | 8 |
Answer» B. 3 |
78. |
D.P.C (Damp Proof Course) is mainly laid on: |
A. | Footing |
B. | Floor |
C. | Foundation |
D. | Plinth |
Answer» D. Plinth |
79. |
Floor in a building |
A. | Separates levels |
B. | Is laid below plinth |
C. | Contains R.C.C. |
D. | Has thickness of 10cm |
Answer» A. Separates levels |
80. |
Which of the below is constructed above doors, windows? |
A. | Joist |
B. | Purlin |
C. | Lintel |
D. | Arch |
Answer» C. Lintel |
81. |
What is the level below window called? |
A. | Pane level |
B. | Lintel level |
C. | Sill level |
D. | Plinth level |
Answer» C. Sill level |
82. |
Wall is mainly of how many types? |
A. | 3 |
B. | 2 |
C. | 5 |
D. | 6 |
Answer» B. 2 |
83. |
___________ wall is used to resist lateral forces like severe wind. |
A. | Knee wall |
B. | Cavity wall |
C. | Infill wall |
D. | Shear wall |
Answer» D. Shear wall |
84. |
The outer projection on the tread of a stair is: |
A. | Going |
B. | Outcrop |
C. | Bulge |
D. | Nosing |
Answer» D. Nosing |
85. |
Mortar comes from the Latin word: |
A. | Mortare |
B. | Mortarum |
C. | Mortaer |
D. | Mortarium |
Answer» D. Mortarium |
86. |
The first used Mortar was: |
A. | Lime mortar |
B. | Mud mortar |
C. | Cement mortar |
D. | Organic mortar |
Answer» B. Mud mortar |
87. |
Polymer Cement Mortar (PCM) is used primarily for: |
A. | Repairing concrete structure |
B. | Stone masonry |
C. | Tile masonry |
D. | Brick masonry |
Answer» A. Repairing concrete structure |
88. |
The guidelines for preparation for mortar is given in: |
A. | IS 4455 |
B. | IS 2250-1981 |
C. | IS 3350-1981 |
D. | IS 5567 |
Answer» B. IS 2250-1981 |
89. |
Which of the below is added to make mortar fire proof? |
A. | Gypsum |
B. | Asbestos cement |
C. | Powdered glass |
D. | Aluminous cement |
Answer» D. Aluminous cement |
90. |
The setting speed of mortar can be increased using: |
A. | Lime |
B. | Sulphur |
C. | Pozzolana |
D. | Gypsum |
Answer» A. Lime |
91. |
Which of the below mortar can settle under water? |
A. | Hydrolytic |
B. | Pozzolana |
C. | Lime |
D. | Flyash |
Answer» B. Pozzolana |
92. |
Which stone is used for buildings situated in industrial towns? |
A. | Marble slab |
B. | Compact sandstone |
C. | Gneiss |
D. | Slate |
Answer» B. Compact sandstone |
93. |
Rubble masonry is sub-divided into: |
A. | 4 |
B. | 2 |
C. | 6 |
D. | 10 |
Answer» C. 6 |
94. |
Which of the below joints is used for masonry in arches? |
A. | Butt |
B. | Table |
C. | Rebated |
D. | Dowel |
Answer» C. Rebated |
95. |
Which ratio of cement mortar is used for stone masonry? |
A. | 1:6 |
B. | 1:3 |
C. | 1:8 |
D. | 1:4 |
Answer» B. 1:3 |
96. |
Ashlar masonry uses: |
A. | Dimension stones |
B. | Polygonal stones |
C. | Quarry dressed stones |
D. | Square stones |
Answer» A. Dimension stones |
97. |
__________ masonry occupies an intermediate position between rubble masonry and ashlar masonry. |
A. | Rubble block in a course |
B. | Ashlar rubble in course |
C. | Ashlar block in a course |
D. | Rubble ashlar in course |
Answer» C. Ashlar block in a course |
98. |
Great skill and skilled labour are required for laying: |
A. | Coursed rubble masonry |
B. | Ashlar fine masonry |
C. | Ashlar chamfered masonry |
D. | Dry rubble masonry |
Answer» D. Dry rubble masonry |
99. |
How many types of brick masonry are possible? |
A. | 4 |
B. | 2 |
C. | 5 |
D. | 6 |
Answer» A. 4 |
100. |
In which bond brick is laid with its length in the direction of a wall? |
A. | Header |
B. | Flemish |
C. | Stretcher |
D. | English |
Answer» C. Stretcher |
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