MCQOPTIONS
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MCQOPTIONS
This section includes 407 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. |
Percentage content of silica in window glass, is |
| A. | 40 to 45 |
| B. | 50 to 55 |
| C. | 60 to 65 |
| D. | 70 to 75. |
| Answer» E. | |
| 202. |
The yield strength and tensile strength of low carbon steel may be improved by the addition of |
| A. | manganese |
| B. | chromium |
| C. | nickel |
| D. | venadium |
| Answer» E. | |
| 203. |
The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner, are known as |
| A. | knots |
| B. | rindgalls |
| C. | burls |
| D. | none of these. |
| Answer» C. burls | |
| 204. |
Soundness of cement is tested by |
| A. | Vicat's apparatus |
| B. | Le-chatelier apparatus |
| C. | compressive strength testing apparatus |
| D. | none of the these. |
| Answer» C. compressive strength testing apparatus | |
| 205. |
The melting point of silica is : |
| A. | 1570°C |
| B. | 1630°C |
| C. | 1730°C |
| D. | 1850°C. |
| Answer» D. 1850¬∞C. | |
| 206. |
Dorry's testing machine is used for |
| A. | crushing test of stone |
| B. | hardness test of stone |
| C. | impact test of stone |
| D. | water absorption test. |
| Answer» C. impact test of stone | |
| 207. |
In a rock calcium carbonate predominates. State whether it is : |
| A. | Sillicious rock |
| B. | Argillaceous rock |
| C. | Calcareous rock |
| D. | None of these. |
| Answer» D. None of these. | |
| 208. |
Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following: |
| A. | Alumina |
| B. | Lime |
| C. | Ironoxide |
| D. | Magnesia. |
| Answer» B. Lime | |
| 209. |
Refractory bricks resist |
| A. | high temperature |
| B. | chemical action |
| C. | dampness |
| D. | all the above. |
| Answer» B. chemical action | |
| 210. |
Mild steel is used for |
| A. | structural works in beams, joints and girders |
| B. | small sized water pipes |
| C. | columns and struts |
| D. | none of these. |
| Answer» B. small sized water pipes | |
| 211. |
The minimum compressive strength of 1st class bricks should be |
| A. | 75 kg/cm2 |
| B. | 90 kg/cm2 |
| C. | 100 kg/cm2 |
| D. | 120 kg/cm2 |
| Answer» D. 120 kg/cm2 | |
| 212. |
Good quality sand is never obtained from |
| A. | river |
| B. | nala |
| C. | sea |
| D. | gravel powder. |
| Answer» D. gravel powder. | |
| 213. |
Stones used for the construction of retaining walls must be |
| A. | soft |
| B. | hard |
| C. | light |
| D. | heavy. |
| Answer» E. | |
| 214. |
The rocks which are formed due to pouring of magma at the earth's surface are called |
| A. | Plutonic rocks |
| B. | Hypabyssal rocks |
| C. | Volcanic rocks |
| D. | Igneous rocks |
| Answer» D. Igneous rocks | |
| 215. |
According to IS 399-1963, the weight of the timber is specified at |
| A. | 8% moisture content |
| B. | 10% moisture content |
| C. | 12% moisture content |
| D. | 14% moisture content. |
| Answer» D. 14% moisture content. | |
| 216. |
Seasoning of timber is done |
| A. | to make it water proof |
| B. | to paint its surface |
| C. | to increase its temperature |
| D. | to remove water. |
| Answer» E. | |
| 217. |
Clay and silt content in a good brick earth must be at least |
| A. | 0.5 |
| B. | 0.4 |
| C. | 0.3 |
| D. | 0.25 |
| Answer» B. 0.4 | |
| 218. |
Strength of cement concrete primarily depends upon |
| A. | quality of water |
| B. | quantity of aggregate |
| C. | quantity of cement |
| D. | water-cement ratio. |
| Answer» E. | |
| 219. |
The PVC doors and windows are preferred as they are |
| A. | rust proof |
| B. | rot proof |
| C. | termile proof |
| D. | water proof |
| Answer» E. | |
| 220. |
The rock generally used for roofing, is |
| A. | granite |
| B. | basalt |
| C. | slate |
| D. | pumice. |
| Answer» D. pumice. | |
| 221. |
Plastics are compounds of carbon with element |
| A. | hydrogen |
| B. | nitrogen |
| C. | oxygen |
| D. | All of these. |
| Answer» E. | |
| 222. |
The operation of removal of impurities or clay adhering to iron ores, is known as |
| A. | dressing |
| B. | calcination |
| C. | roasting |
| D. | smelting. |
| Answer» B. calcination | |
| 223. |
Commonly used thinner in |
| A. | lacquer paints, is alcohol |
| B. | cellulose paints is ethyle acetate |
| C. | oil paints, is naptha |
| D. | distemper, is water |
| Answer» E. | |
| 224. |
Name the type of cement from the following for canal linings : |
| A. | sulphate resisting cement |
| B. | rapid hardening cement |
| C. | quick setting cement |
| D. | pozzuolana cement. |
| Answer» B. rapid hardening cement | |
| 225. |
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 | |
| 226. |
The frog of a brick is normally made on its |
| A. | top face |
| B. | bottom face |
| C. | longer face |
| D. | shorter side. |
| Answer» B. bottom face | |
| 227. |
The steel used for the manufacture of rails, is |
| A. | Bessemer steel |
| B. | mild steel |
| C. | cast steel |
| D. | stainless steel. |
| Answer» B. mild steel | |
| 228. |
Duco paints are |
| A. | plastic paints |
| B. | cellulose paints |
| C. | emulsion paints |
| D. | bituminous paints |
| Answer» E. | |
| 229. |
For lime concrete, |
| A. | slump is 50 to 75 mm |
| B. | flexural strength at 90 days is 0.2 N/mm2 |
| C. | compressive strength at 90 days is 1.5 N/mm2 |
| D. | compressive strength at 26 days is 1.2 N/mm2 |
| Answer» E. | |
| 230. |
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. | |
| 231. |
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 | |
| 232. |
Lime mortar is generally made with |
| A. | quick lime |
| B. | fat lime |
| C. | hydraulic lime |
| D. | plain lime |
| Answer» D. plain lime | |
| 233. |
Lacquer is |
| A. | oil paint |
| B. | distemper |
| C. | spirit varnish |
| D. | none to these. |
| Answer» D. none to these. | |
| 234. |
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 | |
| 235. |
If P is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is |
| A. | 0.70 P |
| B. | 0.75 P |
| C. | 0.80 P |
| D. | 0.85 P |
| Answer» E. | |
| 236. |
Quartzite, a metamorphic stone is |
| A. | hard |
| B. | brittle |
| C. | crystalline |
| D. | compact |
| Answer» E. | |
| 237. |
Formula for quick lime, is |
| A. | CaCO3 |
| B. | CaO |
| C. | CO3CO2 |
| D. | none to these. |
| Answer» C. CO3CO2 | |
| 238. |
Durability of building stone is affected by its |
| A. | chemical composition |
| B. | texture |
| C. | resistance to atmosphere |
| D. | location in structure |
| Answer» E. | |
| 239. |
The most important constituent of varnish, is |
| A. | drier |
| B. | solvent |
| C. | resin |
| D. | all the above. |
| Answer» E. | |
| 240. |
The harmonious mixing of the clay ingredients, is known as |
| A. | weathering |
| B. | blending |
| C. | tempering |
| D. | None of these. |
| Answer» C. tempering | |
| 241. |
Geologically, marble is known as |
| A. | sedimentary rock |
| B. | igneous rock |
| C. | metamorphic rock |
| D. | stratified rock. |
| Answer» D. stratified rock. | |
| 242. |
Fibre boards can be |
| A. | distempered |
| B. | painted |
| C. | painted and distempered |
| D. | used for furniture. |
| Answer» E. | |
| 243. |
PVC stands for |
| A. | plastic very compact |
| B. | polythene vinyl chloride |
| C. | polythene vinyl carbon |
| D. | polythene vanadium carbide. |
| Answer» C. polythene vinyl carbon | |
| 244. |
The timber having maximum resistance against white ants, is obtained from |
| A. | chir |
| B. | shisham |
| C. | sal |
| D. | teak. |
| Answer» D. teak. | |
| 245. |
Expanded metal is |
| A. | manufactured from steel sheets |
| B. | used for reinforced concrete in road pavements |
| C. | measured in term of SWM (shortway mesh) and LWM (long way mesh) |
| D. | all the above. |
| Answer» E. | |
| 246. |
For one cubic metre of brick masonry, number of bricks required, is |
| A. | 400 |
| B. | 425 |
| C. | 450 |
| D. | 500 |
| Answer» E. | |
| 247. |
For a good building stone, its specific gravity should the greater than |
| A. | 1.5 |
| B. | 1.7 |
| C. | 2.2 |
| D. | 2.7. |
| Answer» E. | |
| 248. |
Non acid-resistant asbestos is : |
| A. | tremolite asbestos |
| B. | chrysolite abestos |
| C. | amosite absestos |
| D. | none of these. |
| Answer» C. amosite absestos | |
| 249. |
Bessemer process is used for the manufacture of |
| A. | Pig iron |
| B. | cast iron |
| C. | Wrought iron |
| D. | Steel. |
| Answer» E. | |
| 250. |
Basalt is |
| A. | sedimentary rock |
| B. | metamorphic rock |
| C. | extrusive igneous rock |
| D. | intrusive igneous rock. |
| Answer» D. intrusive igneous rock. | |