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MCQOPTIONS
This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 2251. |
Plaster of Paris is obtained by calcining |
| A. | bauxite |
| B. | gypsum |
| C. | kankar |
| D. | lime stone |
| E. | none of these. |
| Answer» C. kankar | |
| 2252. |
The pigment used in paints for corrosive resistance, is |
| A. | white lead |
| B. | ferrous oxide |
| C. | zinc white |
| D. | red lead |
| E. | gypsum. |
| Answer» E. gypsum. | |
| 2253. |
Linseed oil is used in paints as |
| A. | thinner |
| B. | vehicle |
| C. | base |
| D. | drier. |
| Answer» E. | |
| 2254. |
A well seasoned timber may contain moisture up to |
| A. | 4 to 6% |
| B. | 6 to 8% |
| C. | 8 to 10% |
| D. | 10 to 12%. |
| Answer» E. | |
| 2255. |
The stones obtained by blasting are used as |
| A. | ballast in railways |
| B. | aggregates for concrete |
| C. | roadmetal |
| D. | All the above. |
| Answer» E. | |
| 2256. |
Mastic asphalt is normally used for |
| A. | sound insulation |
| B. | water proofing |
| C. | fire proofing |
| D. | none to these. |
| Answer» C. fire proofing | |
| 2257. |
Lime stone is not a |
| A. | sedimentary rock |
| B. | stratified rock |
| C. | aqueous rock |
| D. | metamorphic rock. |
| Answer» E. | |
| 2258. |
The size of modular bricks, is |
| A. | 10 x 10 x 9 cm |
| B. | 19 x 9 x 9 cm |
| C. | 22.5 x 10 x 8.5 cm |
| D. | 22.5 x 8.0 x 9 cm. |
| Answer» C. 22.5 x 10 x 8.5 cm | |
| 2259. |
Acrylic sheets |
| A. | possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness |
| B. | are generally unaffected by most household detergents |
| C. | possess the light transmission rate of 93% |
| D. | are available in various shapes |
| E. | all the above. |
| Answer» F. | |
| 2260. |
With storage, strength of cement |
| A. | increases |
| B. | decreases |
| C. | remains the same |
| D. | none to these. |
| Answer» C. remains the same | |
| 2261. |
For high grade instruments the steel preferred to, is |
| A. | cast steel |
| B. | bessemer steel |
| C. | mild steel |
| D. | whitworth compressed steel. |
| Answer» B. bessemer steel | |
| 2262. |
Cement paints usually |
| A. | contain hydrated lime |
| B. | contain 5% to 10% colour pigments |
| C. | are prepared with white cement |
| D. | contain 5% sodium chloride |
| E. | all the above. |
| Answer» F. | |
| 2263. |
The cement becomes unsound by the presence of excess |
| A. | sulphur |
| B. | magnesia |
| C. | lime |
| D. | All of these. |
| Answer» E. | |
| 2264. |
The low voltage porcelain is mainly used for |
| A. | switch block |
| B. | insulating tubes |
| C. | lamp sockets |
| D. | All of these. |
| Answer» E. | |
| 2265. |
The kiln which may work throughout the year, is |
| A. | Clamp |
| B. | Bull's kiln |
| C. | Hoffman's kiln |
| D. | none of these. |
| Answer» D. none of these. | |
| 2266. |
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 | |
| 2267. |
Age of a tree may be ascertained by |
| A. | radius of its stem |
| B. | circumference of its stem |
| C. | number of branches |
| D. | number of annual rings. |
| Answer» E. | |
| 2268. |
Quick lime |
| A. | generates heat when added to water |
| B. | reacts with carbon dioxide |
| C. | may be used for white-washing |
| D. | when mixed with water forms slaked lime |
| E. | all the above. |
| Answer» F. | |
| 2269. |
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. | |
| 2270. |
Plywood is obtained by gluing wooden sheets at |
| A. | 100 to 150 N/cm |
| B. | <sup>2</sup> |
| C. | 100 to 130 C |
| D. | both (a) and (b) |
| E. | Neither (a) nor (b). |
| Answer» D. both (a) and (b) | |
| 2271. |
The main ingredient of a good quality brick earth, is |
| A. | magnesia |
| B. | lime |
| C. | silica |
| D. | alumina. |
| Answer» E. | |
| 2272. |
Bitumen is generally obtained from |
| A. | organic material |
| B. | synthetic material |
| C. | petroleum product |
| D. | coal. |
| Answer» D. coal. | |
| 2273. |
For one cubic metre of brick masonry, number of bricks required, is |
| A. | 400 |
| B. | 425 |
| C. | 450 |
| D. | 500 |
| E. | 550. |
| Answer» E. 550. | |
| 2274. |
The most important constituent of varnish, is |
| A. | drier |
| B. | solvent |
| C. | resin |
| D. | all the above. |
| Answer» E. | |
| 2275. |
Blister steel |
| A. | is obtained by cementation process |
| B. | is full of fissures and cavities |
| C. | can not be forged |
| D. | can be easily welded |
| E. | all the above. |
| Answer» F. | |
| 2276. |
Stainless steel resists corrosion due to |
| A. | carbon |
| B. | sulphur |
| C. | vanadium |
| D. | chromium |
| E. | maganese. |
| Answer» E. maganese. | |
| 2277. |
Commonly used thinner in |
| A. | lacquer paints, is alcohol |
| B. | cellulose paints is ethyle acetate |
| C. | oil paints, is naptha |
| D. | distemper, is water |
| E. | all the above. |
| Answer» F. | |
| 2278. |
Good quality sand is never obtained from |
| A. | river |
| B. | nala |
| C. | sea |
| D. | gravel powder. |
| Answer» D. gravel powder. | |
| 2279. |
The rocks having alumina or clay as their major constituents, are known as |
| A. | siliceous rocks |
| B. | argillaceous rocks |
| C. | calcareous rocks |
| D. | sedimentary rocks |
| E. | igneous rocks. |
| Answer» C. calcareous rocks | |
| 2280. |
Pick up the rock which is not a sedimentary rock from the following: |
| A. | gravel |
| B. | sand stone |
| C. | gypsum |
| D. | dolerite |
| E. | lignite. |
| Answer» E. lignite. | |
| 2281. |
Permanent magnets are made of high carbon steel and |
| A. | 15% of cobalt |
| B. | 20% of cobalt |
| C. | 35% of cobalt |
| D. | 45% of cobalt. |
| Answer» E. | |
| 2282. |
Plastics are compounds of carbon with element |
| A. | hydrogen |
| B. | nitrogen |
| C. | oxygen |
| D. | All of these. |
| Answer» E. | |
| 2283. |
For sanitary pipes and chemical stonewares, |
| A. | salt glazing is used |
| B. | lead glazing is used |
| C. | opaque glazing is used |
| D. | None of these. |
| Answer» B. lead glazing is used | |
| 2284. |
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 | |
| 2285. |
A ferrous metal is |
| A. | cast iron |
| B. | wrought iron |
| C. | steel |
| D. | all the above. |
| Answer» E. | |
| 2286. |
For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is |
| A. | 80 : 13 : 7 |
| B. | 70 : 20 : 10 |
| C. | 60 : 35 : 5 |
| D. | none of these. |
| Answer» B. 70 : 20 : 10 | |
| 2287. |
Slacking of lime is affected by |
| A. | keeping it exposed to air |
| B. | immersing the lime in water |
| C. | crushing the lime lumps |
| D. | none of these. |
| Answer» C. crushing the lime lumps | |
| 2288. |
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 | |
| 2289. |
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. | |
| 2290. |
Non acid-resistant asbestos is : |
| A. | tremolite asbestos |
| B. | chrysolite abestos |
| C. | amosite absestos |
| D. | none of these. |
| Answer» C. amosite absestos | |
| 2291. |
Stones used for the construction of retaining walls must be |
| A. | soft |
| B. | hard |
| C. | light |
| D. | heavy. |
| Answer» E. | |
| 2292. |
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 | |
| 2293. |
The base material for distemper, is |
| A. | chalk |
| B. | lime |
| C. | lime putty |
| D. | cement wash. |
| Answer» B. lime | |
| 2294. |
When a brick is immersed in water for 24 hours and then dried, if |
| A. | no grey or white deposits appear on the surface, the brick is free from soluble salts |
| B. | 10 per cent surface is covered with grey or white deposits, the brick has slight efflorescence |
| C. | 50 per cent surface is covered with grey or white deposits, the brick has serious efflorescence |
| D. | All the above. |
| Answer» E. | |
| 2295. |
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. | |
| 2296. |
The fire clay contains pure |
| A. | lime |
| B. | oxide of iron |
| C. | hydrated aluminium silicate |
| D. | magnesium. |
| Answer» D. magnesium. | |
| 2297. |
To give a brilliant finish, the type of varnish used, is |
| A. | water varnish |
| B. | spirit varnish |
| C. | turpentine varnish |
| D. | oil varnish |
| E. | none of these. |
| Answer» C. turpentine varnish | |
| 2298. |
Good quality cement contains higher percentage of |
| A. | Tricalcium silicate |
| B. | Di-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite |
| E. | all the above. |
| Answer» B. Di-calcium silicate | |
| 2299. |
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 | |
| 2300. |
The PVC doors and windows are preferred as they are |
| A. | rust proof |
| B. | rot proof |
| C. | termile proof |
| D. | water proof |
| E. | all of these. |
| Answer» F. | |