MCQOPTIONS
Saved Bookmarks
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.
| 251. |
The initial setting time of hydraulic lime, is |
| A. | 30 minutes |
| B. | 60 minutes |
| C. | 90 minutes |
| D. | 120 minutes |
| Answer» E. | |
| 252. |
Pick up the correct characteristic of Pyroxene from the following: |
| A. | It forms octagonal crystals |
| B. | It converts to chlorine by hydration |
| C. | Its density is 2.3 to 3.6 g/cm2 |
| D. | Its hardness is 5 to 6 |
| Answer» E. | |
| 253. |
Bitumen emulsion is |
| A. | a liquid containing bitumen in suspension |
| B. | a paint |
| C. | used as anti-corrosive paint |
| D. | all the above. |
| Answer» E. | |
| 254. |
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 | |
| 255. |
Which one of the following is used for preparing porcelain |
| A. | clay |
| B. | feldspar |
| C. | quartz |
| D. | minerals |
| Answer» E. | |
| 256. |
The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called |
| A. | Plutonic rocks |
| B. | Hypabyssal rocks |
| C. | Volcanic rocks |
| D. | Ignoeous rocks. |
| Answer» C. Volcanic rocks | |
| 257. |
Veneering means |
| A. | carving out designs on timber planks |
| B. | chemically treating timber planks |
| C. | thick layer of superior wood glued to inferior wood |
| D. | thin layer of superior wood glued to inferior wood. |
| Answer» D. thin layer of superior wood glued to inferior wood. | |
| 258. |
The main ingredient of a good quality brick earth, is |
| A. | magnesia |
| B. | lime |
| C. | silica |
| D. | alumina. |
| Answer» E. | |
| 259. |
Bitumen completely dissolves in |
| A. | carbon bisulphide |
| B. | chloroform |
| C. | benzol |
| D. | coaltar |
| Answer» E. | |
| 260. |
In arches, stratified stones are placed so that their planes are |
| A. | parallel |
| B. | perpendicular |
| C. | radial |
| D. | none of these. |
| Answer» D. none of these. | |
| 261. |
During pudding |
| A. | molten metal is kept clear of the fuel |
| B. | carbon is converted into carbonic acid gas |
| C. | silicon forms a slag |
| D. | metal is heated by the burning of gases |
| Answer» E. | |
| 262. |
Pegmatite is a/an |
| A. | intrusive igneous rock |
| B. | extrusive igneous rock |
| C. | sedimentary rock |
| D. | metamorphic rock. |
| Answer» B. extrusive igneous rock | |
| 263. |
Jhumb bricks are |
| A. | under burnt |
| B. | over burnt |
| C. | kutcha |
| D. | none of these. |
| Answer» C. kutcha | |
| 264. |
The commonly used thinner in oil paints, is |
| A. | naptha |
| B. | turpentine |
| C. | both (a) and (b) |
| D. | neither (a) nor (b) |
| Answer» D. neither (a) nor (b) | |
| 265. |
Rapid hardening cement contains |
| A. | Tri-calcium silicate |
| B. | Tri-calcium aluminate |
| C. | Tetra-calcium alumino-ferrite |
| D. | Dicalcium silicate. |
| Answer» B. Tri-calcium aluminate | |
| 266. |
Rapid hardening cement attains early strength due to |
| A. | larger proportion of lime grounded finer than normal cement |
| B. | lesser proportion of lime grounded coarser than normal cement |
| C. | lesser proportion of lime grounded finer than normal cement |
| D. | larger proportien of lime grounded coarser than normal cement |
| Answer» B. lesser proportion of lime grounded coarser than normal cement | |
| 267. |
For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is |
| A. | 3.3424421296296 |
| B. | 2.9306712962963 |
| C. | 2.5243634259259 |
| D. | none of these. |
| Answer» B. 2.9306712962963 | |
| 268. |
The wedging is adopted for quarrying costly stratified rock such as |
| A. | laterite |
| B. | marble |
| C. | limestone |
| D. | sandstone |
| Answer» E. | |
| 269. |
The term frog means |
| A. | an apparatus to lift the stone |
| B. | a depression on a face of brick |
| C. | vertical joint in a brick work |
| D. | soaking brick in water. |
| Answer» C. vertical joint in a brick work | |
| 270. |
The steel used in R.C.C. work is |
| A. | stainless steel |
| B. | mild steel |
| C. | high carbon steel |
| D. | wrought iron. |
| Answer» C. high carbon steel | |
| 271. |
French polish is |
| A. | oil paint |
| B. | distemper |
| C. | spirit varnish |
| D. | none to these. |
| Answer» D. none to these. | |
| 272. |
Pick up the synthetic resin from the following: |
| A. | Malamine resin |
| B. | Phenolic resin |
| C. | Resorcinol resin |
| D. | Urea resin |
| Answer» E. | |
| 273. |
A good quality stone absorbs water less than |
| A. | 0.05 |
| B. | 0.1 |
| C. | 0.15 |
| D. | 0.2 |
| Answer» B. 0.1 | |
| 274. |
Bitumen is generally obtained from |
| A. | organic material |
| B. | synthetic material |
| C. | petroleum product |
| D. | coal. |
| Answer» D. coal. | |
| 275. |
The plastics prepared from Vinyl resin are |
| A. | odourless |
| B. | non-toxic |
| C. | transparent |
| D. | colourless |
| Answer» E. | |
| 276. |
Minimum of 40% of iron, is available in |
| A. | Magnetite |
| B. | Red haemetite |
| C. | Limonite |
| D. | Siderite |
| Answer» E. | |
| 277. |
Bituminous fells are used for |
| A. | covering A.C. sheets |
| B. | covering sloping roofs |
| C. | D.P.C. |
| D. | none to these. |
| Answer» B. covering sloping roofs | |
| 278. |
For slaking of 10 kg of CaO, the theoretical amount of water is |
| A. | 2.2 kg |
| B. | 1.5 kg |
| C. | 3.2 kg |
| D. | None of these. |
| Answer» D. None of these. | |
| 279. |
Lime stones are generally known as |
| A. | aqueous rocks |
| B. | sedimentary rocks |
| C. | stratified rocks |
| D. | all the above. |
| Answer» E. | |
| 280. |
Lime putty |
| A. | is made from hydraulic lime |
| B. | is made by adding lime to water |
| C. | can be used only upto three days |
| D. | may be obtained from drying lime water mix passing through IS sieve No. 300 |
| Answer» E. | |
| 281. |
Plywood is made from |
| A. | common timber |
| B. | bamboo fibre |
| C. | teak wood only |
| D. | asbestos sheets. |
| Answer» D. asbestos sheets. | |
| 282. |
Pick up the metal refractory from the following: |
| A. | Molyblendum |
| B. | Tungsten |
| C. | Zicronium |
| D. | All of these. |
| Answer» E. | |
| 283. |
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. | |
| 284. |
Pig iron made from heamatite ores free from sulphur, phosphorus and copper, is known as |
| A. | Bessemer pig |
| B. | Grey or foundry pig |
| C. | White or forge pig |
| D. | Mottled pig |
| Answer» B. Grey or foundry pig | |
| 285. |
The portion of the brick without a triangular corner equal to half the width and half the length, is called |
| A. | closer |
| B. | queen closer |
| C. | king closer |
| D. | squint brick. |
| Answer» D. squint brick. | |
| 286. |
The cracks which extend from bark towards the sap wood in the cross section of a tree, are called |
| A. | radial shakes |
| B. | star shakes |
| C. | heart shakes |
| D. | cup shakes. |
| Answer» C. heart shakes | |
| 287. |
Cement is said to be of good quality if |
| A. | its colour is not greenish grey |
| B. | one feels cool by thrusting one's hand in the cement bag |
| C. | it is not smooth when rubbed in between fingers |
| D. | a handful of cement thrown into a bucket of water does not float |
| Answer» E. | |
| 288. |
The sequence of refractory materials according to increasing melting points is : |
| A. | Dolomite, Magnesia, Bauxite, Chromite |
| B. | Bauxite, Chromite, Dolomite, Magnesia |
| C. | Magnesia, Bauxite, Dolomite, Chromite. |
| Answer» C. Magnesia, Bauxite, Dolomite, Chromite. | |
| 289. |
The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is |
| A. | 20 |
| B. | 15 |
| C. | 10 |
| D. | 5 |
| Answer» E. | |
| 290. |
Plastic bitumen is generally used for |
| A. | road pavements |
| B. | expansion joints |
| C. | crack fillings |
| D. | none to these. |
| Answer» D. none to these. | |
| 291. |
The commonly used base for iron and steel work, is |
| A. | red lead |
| B. | zinc white |
| C. | white lead |
| D. | titanium white. |
| Answer» B. zinc white | |
| 292. |
The fire clay contains pure |
| A. | lime |
| B. | oxide of iron |
| C. | hydrated aluminium silicate |
| D. | magnesium. |
| Answer» D. magnesium. | |
| 293. |
Cast iron is used for |
| A. | structural works in beams |
| B. | small sized water pipes |
| C. | columns and struts |
| D. | none to these. |
| Answer» D. none to these. | |
| 294. |
A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than |
| A. | 0.1 |
| B. | 0.15 |
| C. | 0.2 |
| D. | 0.25 |
| Answer» D. 0.25 | |
| 295. |
Invar contains |
| A. | 12% of nickel |
| B. | 24% of nickel |
| C. | 30% to nickel |
| D. | 36% of nickel. |
| Answer» E. | |
| 296. |
Bulking of sand is caused due to |
| A. | surface moisture |
| B. | air voids |
| C. | viscosity |
| D. | clay contents |
| Answer» B. air voids | |
| 297. |
In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they |
| A. | split easily |
| B. | are affected by moisture |
| C. | both (a) and (b) |
| D. | none of these. |
| Answer» D. none of these. | |
| 298. |
The specific gravity of marble, is |
| A. | 2.5 |
| B. | 2.6 |
| C. | 2.66 |
| D. | 2.72 |
| Answer» E. | |
| 299. |
Forge pig may be converted to wrought iron by |
| A. | rolling |
| B. | pudding |
| C. | shingling |
| D. | refining. |
| Answer» C. shingling | |
| 300. |
Putty is |
| A. | made with finely powdered chalk and linseed oil |
| B. | used for fixing glass panes |
| C. | softened by a solution of pearl ash and quick-lime soaked in water |
| D. | all the above. |
| Answer» E. | |