MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 336 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
_The most commonly used synthetic abrasive is$? |
| A. | Aluminium carbide |
| B. | Boric acid |
| C. | Silicon |
| D. | All of these |
| Answer» E. | |
| 202. |
_Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth?$? |
| A. | Lime stone and alumina |
| B. | Silica and alkalies |
| C. | Alumina and iron |
| D. | Alkalies and magnesium |
| Answer» C. Alumina and iron | |
| 203. |
_The stone suitable for rubble masonry should be.$? |
| A. | Hard |
| B. | Tough |
| C. | Heavy |
| D. | Light |
| Answer» B. Tough | |
| 204. |
_Vanadium steel is generally used for$? |
| A. | Railway switches and crossing |
| B. | Bearing balls |
| C. | Magnets |
| D. | Axles and springs |
| Answer» E. | |
| 205. |
_The harmonious mixing of the clay ingredients, is known as$? |
| A. | Weathering |
| B. | Blending |
| C. | Tempering |
| D. | None of these |
| Answer» C. Tempering | |
| 206. |
_Brittleness of cold is due to an excess of$? |
| A. | Sulphur |
| B. | Carbon |
| C. | Phosphorus |
| D. | Silicon |
| Answer» D. Silicon | |
| 207. |
_Index number expressing the relative sizes of both coarse and fine aggregates, is called$? |
| A. | Proportioning of aggregates |
| B. | Fineness modulus |
| C. | Grading of aggregates |
| D. | None of these |
| Answer» C. Grading of aggregates | |
| 208. |
_Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing$? |
| A. | (i) and (ii) |
| B. | (i) and (iv) |
| C. | (ii) and (iii) |
| D. | (iii) and (iv) |
| Answer» B. (i) and (iv) | |
| 209. |
_Blister steel$? |
| A. | Is obtained by cementation process |
| B. | Is full of fissures and cavities |
| C. | Can be easily welded |
| D. | All the above |
| Answer» E. | |
| 210. |
_Basalt is$? |
| A. | Sedimentary rock |
| B. | Metamorphic rock |
| C. | Extrusive igneous rock |
| D. | Intrusive igneous rock |
| Answer» D. Intrusive igneous rock | |
| 211. |
_The stretcher bond in brick masonry can be used only when the thickness of wall is$? |
| A. | 90 mm |
| B. | 180 mm |
| C. | 190 mm |
| D. | 280 mm |
| Answer» B. 180 mm | |
| 212. |
_Which of the following cements contains maximum percentage of dicalcium silicate?$? |
| A. | Ordinary Portland cement |
| B. | Low heat cement |
| C. | Rapid hardening cement |
| D. | Sulphate resisting cement |
| Answer» C. Rapid hardening cement | |
| 213. |
_For obtaining vinyl chloride acetate, the method used, is$? |
| A. | Addition polymerization |
| B. | Condensation polymerization |
| C. | Co-polymerization |
| D. | None of these |
| Answer» D. None of these | |
| 214. |
_The rock generally used for roofing, is$? |
| A. | Granite |
| B. | Basalt |
| C. | Slate |
| D. | Pumice |
| Answer» D. Pumice | |
| 215. |
_Quick setting cement is produced by adding$? |
| A. | Less amount of gypsum in very fine powdered form |
| B. | More amount of gypsum in very fine powdered form |
| C. | Aluminium sulphate in very fine powdered form |
| D. | Pozzolana in very fine powdered form |
| Answer» D. Pozzolana in very fine powdered form | |
| 216. |
_Le-Chatelier's device is used for determining the$? |
| A. | Setting time of cement |
| B. | Soundness of cement |
| C. | Tensile strength of cement |
| D. | Compressive strength of cement |
| Answer» C. Tensile strength of cement | |
| 217. |
_The most commonly used retarder in cement is$? |
| A. | Gypsum |
| B. | Calcium chloride |
| C. | Calcium carbonate |
| D. | None of the above |
| Answer» B. Calcium chloride | |
| 218. |
_The portion of a brick cut to form angles other than right angles in plan, is known as$? |
| A. | Queen closer |
| B. | King closer |
| C. | Closer |
| D. | Squint brick |
| Answer» E. | |
| 219. |
_Sapwood consists of$? |
| A. | Innermost annular rings around the pith |
| B. | Portion of timber between heartwood and cambium layer |
| C. | Thin layers below the bark |
| D. | Thin fibre which extends from the pith outwards and holds the annular rings together |
| Answer» C. Thin layers below the bark | |
| 220. |
_Plywood is normally available$? |
| A. | 1 mm thick |
| B. | 2 mm thick |
| C. | 2 to 3 mm thick |
| D. | 3 mm to 4 mm thick |
| Answer» E. | |
| 221. |
_In brick masonry the bond produced by laying alternate headers and stretchers in each course is known as$? |
| A. | English bond |
| B. | double flemish bond |
| C. | zigzag bond |
| D. | single flemish bond |
| Answer» C. zigzag bond | |
| 222. |
_First class timber has an average life of$? |
| A. | Less than one year |
| B. | 1 to 5 years |
| C. | 5 to 10 years |
| D. | More than 10 years |
| Answer» E. | |
| 223. |
_Soundness of cement is tested by$? |
| A. | Vicat's apparatus |
| B. | Le-chatelier apparatus |
| C. | Compressive strength testing apparatus |
| D. | None of these |
| Answer» C. Compressive strength testing apparatus | |
| 224. |
_Based on its dry weight, a freshly felled tree may contain water$? |
| A. | 25 % |
| B. | 50 % |
| C. | 75 % |
| D. | 100 % |
| Answer» E. | |
| 225. |
_Bitumen is generally obtained from$? |
| A. | Organic material |
| B. | Synthetic material |
| C. | Petroleum product |
| D. | Coal |
| Answer» D. Coal | |
| 226. |
_Excess of silica in brick earth results in$? |
| A. | cracking and warping of bricks |
| B. | loss of cohesion |
| C. | enhancing the impermeability of bricks |
| D. | none of the above |
| Answer» C. enhancing the impermeability of bricks | |
| 227. |
_Which of the following has more fire resisting characteristics?$? |
| A. | Marble |
| B. | Lime stone |
| C. | Compact sand stone |
| D. | Granite |
| Answer» D. Granite | |
| 228. |
_The minimum compressive strength of 2nd class bricks should be$? |
| A. | 75 kg/cm² |
| B. | 90 kg/cm² |
| C. | 100 kg/cm² |
| D. | 120 kg/cm² |
| Answer» B. 90 kg/cm¬¨‚⧠| |
| 229. |
_Chemically, marble is known as$? |
| A. | Metamorphic rock |
| B. | Argillaceous rock |
| C. | Calcareous rock |
| D. | Siliceous rock |
| Answer» D. Siliceous rock | |
| 230. |
_Wrought iron contains carbon about$? |
| A. | 1.5% to 5.5% |
| B. | 0.5% to 1.75% |
| C. | 0.1% to 0.25% |
| D. | None to these |
| Answer» D. None to these | |
| 231. |
_Quick lime (or caustic lime)$? |
| A. | Is obtained by the calcination of pure lime stone |
| B. | Has great affinity to moisture |
| C. | Is amorphous |
| D. | All the above |
| Answer» E. | |
| 232. |
_Whitworth compressed steel is obtained when molten steel is subjected to a pressure of$? |
| A. | 5 kg/mm² |
| B. | 9 kg/mm² |
| C. | 13 kg/mm² |
| D. | 15 kg/mm² |
| Answer» C. 13 kg/mm¬¨‚⧠| |
| 233. |
_The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called$? |
| A. | Cementation process |
| B. | Crucible process |
| C. | Bessemer process |
| D. | Open hearth process |
| Answer» B. Crucible process | |
| 234. |
_Pick up the correct statement from the following: Method of sawing timber$? |
| A. | Tangentially to annual rings, is known as tangential method |
| B. | In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method |
| C. | Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing |
| D. | All the above |
| Answer» E. | |
| 235. |
_Glazing is used to make earthenware$? |
| A. | hard |
| B. | soft |
| C. | porous |
| D. | impervious |
| Answer» E. | |
| 236. |
_The initial setting time for ordinary Portland cement as per IS specifications should not be less than$? |
| A. | 10 minutes |
| B. | 30 minutes |
| C. | 60 minutes |
| D. | 600 minutes |
| Answer» C. 60 minutes | |
| 237. |
_Initial setting of cement is caused due to$? |
| A. | Tri-calcium silicate |
| B. | Di-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite |
| Answer» D. Tetra calcium alumino ferrite | |
| 238. |
_Quick lime is (i) Slow in setting (ii) Rapid in slacking (iii) Good in strength$? |
| A. | Only (i) |
| B. | Only (ii) |
| C. | Both (i) and (ii) |
| D. | Both (ii) and (iii) |
| Answer» D. Both (ii) and (iii) | |
| 239. |
Which of the following should be used for hearting of thicker walls?$? |
| A. | Headers |
| B. | Stretchers |
| C. | Brick bats |
| D. | Queen closer |
| Answer» B. Stretchers | |
| 240. |
The most important constituent of varnish, is$? |
| A. | Drier |
| B. | Solvent |
| C. | Resin |
| D. | All the above |
| Answer» E. | |
| 241. |
Which of the following bricks are used for lining of furnaces?$? |
| A. | Over-burnt bricks |
| B. | Under-burnt bricks |
| C. | Refractory bricks |
| D. | First class bricks |
| Answer» D. First class bricks | |
| 242. |
In a mortar, the binding material is$? |
| A. | Cement |
| B. | Sand |
| C. | Surkhi (brick-dust) |
| D. | Cinder |
| Answer» B. Sand | |
| 243. |
Pick up the hypabyssal rock from the following:$? |
| A. | Granite |
| B. | Dolerite |
| C. | Basalt |
| D. | All the above |
| Answer» C. Basalt | |
| 244. |
The constituent of cement which is responsible for all the undesirable properties of cement is$? |
| A. | Di-calcium silicate |
| B. | Tri-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite |
| Answer» D. Tetra calcium alumino ferrite | |
| 245. |
A volatile substance added to a paint to make its application easy and smooth, is known as$? |
| A. | Base |
| B. | Solvent |
| C. | Vehicle |
| D. | None to these |
| Answer» C. Vehicle | |
| 246. |
The trunk of tree left after cutting all the branches is known as$? |
| A. | Log |
| B. | Batten |
| C. | Plank |
| D. | Baulk |
| Answer» B. Batten | |
| 247. |
If the iron ore contains clay as an impurity, the flux added during calcination, is$? |
| A. | Clay |
| B. | Lime stone |
| C. | Argillaceous iron ore |
| D. | All the above |
| Answer» C. Argillaceous iron ore | |
| 248. |
Asbestos$? |
| A. | Is a natural fibrous mineral substance |
| B. | Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) |
| C. | Contains iron oxide and alumina |
| D. | All the above |
| Answer» E. | |
| 249. |
The most important constituent of an oil paint, is$? |
| A. | Thinner |
| B. | Vehicle |
| C. | Pigment |
| D. | All the above |
| Answer» E. | |
| 250. |
The frog of the brick in a brick masonry is generally kept on$? |
| A. | Bottom face |
| B. | Top face |
| C. | Shorter side |
| D. | Longer side |
| Answer» C. Shorter side | |