McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
Chapters
| 151. |
What happens to raw bricks if an excess of alumina is present? |
| A. | Becomes hard |
| B. | Becomes brittle |
| C. | Decay |
| D. | Shrinkage |
| Answer» D. Shrinkage | |
| 152. |
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 | |
| 153. |
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 | |
| 154. |
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 | |
| 155. |
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 | |
| 156. |
Unburnt bricks are also called: |
| A. | Dry bricks |
| B. | Clayey bricks |
| C. | Kucha bricks |
| D. | Clamp bricks |
| Answer» C. Kucha bricks | |
| 157. |
Burnt bricks can be further classified into how many types? |
| A. | 2 |
| B. | 4 |
| C. | 3 |
| D. | 5 |
| Answer» B. 4 | |
| 158. |
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 | |
| 159. |
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 | |
| 160. |
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% | |
| 161. |
Trees are generally classified, based on the mode of growth into: |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 3 |
| Answer» A. 2 | |
| 162. |
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 | |
| 163. |
Which of the following is an example of soft wood? |
| A. | Sal |
| B. | Oak |
| C. | Deodar |
| D. | Mahogany |
| Answer» C. Deodar | |
| 164. |
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 | |
| 165. |
Hard wood is strong in tension and weak in compression. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 166. |
Exogenous trees are further divided into: |
| A. | 3 |
| B. | 4 |
| C. | 2 |
| D. | 5 |
| Answer» C. 2 | |
| 167. |
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 | |
| 168. |
Fine Aggregates should pass through which IS sieve? |
| A. | 2.35mm |
| B. | 45µ |
| C. | 4.75mm |
| D. | 75µ |
| Answer» C. 4.75mm | |
| 169. |
How many types of fine aggregates are there based on source? |
| A. | 3 |
| B. | 2 |
| C. | 4 |
| D. | 6 |
| Answer» A. 3 | |
| 170. |
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 | |
| 171. |
M-Sand has ___________ type of particle shape. |
| A. | Flaky |
| B. | Round |
| C. | Angular |
| D. | Cubical |
| Answer» C. Angular | |
| 172. |
The specific gravity for sand is: |
| A. | 2.6 |
| B. | 2.65 |
| C. | 2.8 |
| D. | 2.75 |
| Answer» A. 2.6 | |
| 173. |
Graded aggregate contains particles of size: |
| A. | Single grade |
| B. | 4.75mm |
| C. | Multi grade |
| D. | <80mm |
| Answer» C. Multi grade | |
| 174. |
Flaky particles have: |
| A. | Small thickness |
| B. | Elongated sides |
| C. | Sharp edges |
| D. | Rounded edges |
| Answer» A. Small thickness | |
| 175. |
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 | |
| 176. |
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 | |
| 177. |
Gravel is a type of: |
| A. | Rounded aggregate |
| B. | Angular aggregate |
| C. | Flaky aggregate |
| D. | Irregular aggregate |
| Answer» D. Irregular aggregate | |
| 178. |
A building can be mainly divided into how many components? |
| A. | 2 |
| B. | 3 |
| C. | 6 |
| D. | 8 |
| Answer» B. 3 | |
| 179. |
D.P.C (Damp Proof Course) is mainly laid on: |
| A. | Footing |
| B. | Floor |
| C. | Foundation |
| D. | Plinth |
| Answer» D. Plinth | |
| 180. |
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 | |
| 181. |
Which of the below is constructed above doors, windows? |
| A. | Joist |
| B. | Purlin |
| C. | Lintel |
| D. | Arch |
| Answer» C. Lintel | |
| 182. |
What is the level below window called? |
| A. | Pane level |
| B. | Lintel level |
| C. | Sill level |
| D. | Plinth level |
| Answer» C. Sill level | |
| 183. |
Wall is mainly of how many types? |
| A. | 3 |
| B. | 2 |
| C. | 5 |
| D. | 6 |
| Answer» B. 2 | |
| 184. |
___________ 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 | |
| 185. |
The outer projection on the tread of a stair is: |
| A. | Going |
| B. | Outcrop |
| C. | Bulge |
| D. | Nosing |
| Answer» D. Nosing | |
| 186. |
Mortar comes from the Latin word: |
| A. | Mortare |
| B. | Mortarum |
| C. | Mortaer |
| D. | Mortarium |
| Answer» D. Mortarium | |
| 187. |
The first used Mortar was: |
| A. | Lime mortar |
| B. | Mud mortar |
| C. | Cement mortar |
| D. | Organic mortar |
| Answer» B. Mud mortar | |
| 188. |
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 | |
| 189. |
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 | |
| 190. |
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 | |
| 191. |
The setting speed of mortar can be increased using: |
| A. | Lime |
| B. | Sulphur |
| C. | Pozzolana |
| D. | Gypsum |
| Answer» A. Lime | |
| 192. |
Which of the below mortar can settle under water? |
| A. | Hydrolytic |
| B. | Pozzolana |
| C. | Lime |
| D. | Flyash |
| Answer» B. Pozzolana | |
| 193. |
Which stone is used for buildings situated in industrial towns? |
| A. | Marble slab |
| B. | Compact sandstone |
| C. | Gneiss |
| D. | Slate |
| Answer» B. Compact sandstone | |
| 194. |
Rubble masonry is sub-divided into: |
| A. | 4 |
| B. | 2 |
| C. | 6 |
| D. | 10 |
| Answer» C. 6 | |
| 195. |
Which of the below joints is used for masonry in arches? |
| A. | Butt |
| B. | Table |
| C. | Rebated |
| D. | Dowel |
| Answer» C. Rebated | |
| 196. |
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 | |
| 197. |
Ashlar masonry uses: |
| A. | Dimension stones |
| B. | Polygonal stones |
| C. | Quarry dressed stones |
| D. | Square stones |
| Answer» A. Dimension stones | |
| 198. |
__________ 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 | |
| 199. |
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 | |
| 200. |
How many types of brick masonry are possible? |
| A. | 4 |
| B. | 2 |
| C. | 5 |
| D. | 6 |
| Answer» A. 4 | |
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