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.
| 151. |
A ferrous metal is |
| A. | all the above. |
| B. | cast iron |
| C. | wrought iron |
| D. | steel |
| Answer» E. | |
| 152. |
Brittleness of cold is due to an excess of |
| A. | none of these. |
| B. | sulphur |
| C. | carbon |
| D. | phosphorus |
| Answer» D. phosphorus | |
| 153. |
Acrylic sheets |
| A. | turpentine. |
| B. | possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness |
| C. | are generally unaffected by most household detergents |
| D. | possess the light transmission rate of 93% |
| Answer» E. | |
| 154. |
Initial setting time of cement for asbestos cement products should be not less than |
| A. | all the above. |
| B. | 30 minutes |
| C. | 50 minutes |
| D. | 75 minutes |
| Answer» E. | |
| 155. |
Iron ore may contain |
| A. | all the above. |
| B. | carbon |
| C. | silicon |
| D. | sulphur |
| Answer» E. | |
| 156. |
The cement becomes unsound by the presence of excess |
| A. | all the above. |
| B. | sulphur |
| C. | magnesia |
| D. | lime |
| Answer» E. | |
| 157. |
Second class bricks |
| A. | yellow |
| B. | are of dark brown colour |
| C. | produce a metallic sound when struck |
| D. | are well burnt |
| Answer» C. produce a metallic sound when struck | |
| 158. |
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. | |
| 159. |
The most commonly used synthetic abrasive is |
| A. | aluminium carbide |
| B. | boric acid |
| C. | silicon |
| D. | All of these. |
| Answer» E. | |
| 160. |
Minimum required water cement ratio for a workable concrete, is |
| A. | All of these. |
| B. | 0.3 |
| C. | 0.4 |
| D. | 0.5 |
| Answer» C. 0.4 | |
| 161. |
Plastic asphalt is |
| A. | used as a water proofing layer over roof |
| B. | a mixture of cement and asphalt |
| C. | a natural asphalt |
| D. | a refinery product. |
| Answer» C. a natural asphalt | |
| 162. |
Lime concrete is generally used for |
| A. | wall foundations |
| B. | flooring at ground level |
| C. | both (a) and (b) |
| D. | neither (a) nor (b). |
| Answer» C. both (a) and (b) | |
| 163. |
Plastic |
| A. | is an organic substance |
| B. | consists of natural or synthetic binders |
| C. | finished products are rigid and stable at normal temperature |
| D. | is capable of flow when necessary heat and pressure are applied |
| Answer» E. | |
| 164. |
Red short iron cracks when bent due to the presence of |
| A. | sulphur |
| B. | carbon |
| C. | phosphorus |
| D. | silicon. |
| Answer» B. carbon | |
| 165. |
The rocks formed by gradual deposition, are called |
| A. | sedimentary rocks |
| B. | igneous rocks |
| C. | metamorphic rocks |
| D. | none of these. |
| Answer» B. igneous rocks | |
| 166. |
The main constituent of fly-ash, is |
| A. | aluminium oxide |
| B. | silica |
| C. | ferrous oxide |
| D. | All of these. |
| Answer» E. | |
| 167. |
A rock contains only one mineral. It is called |
| A. | homogeneous |
| B. | non-homogeneous |
| C. | monomineralic |
| D. | polymineralic. |
| Answer» D. polymineralic. | |
| 168. |
A good brick earth should contain : |
| A. | about 20% to 30% of alumina |
| B. | about 50% to 60% of silica |
| C. | not more than 5% of lime |
| D. | about 5 to 6% of oxide of lime |
| Answer» E. | |
| 169. |
The property by virtue of which lime sets under water, is known as |
| A. | slacking |
| B. | setting |
| C. | hydraulicity |
| D. | calcining. |
| Answer» D. calcining. | |
| 170. |
Brass is an alloy of |
| A. | copper and zinc |
| B. | zinc and lead |
| C. | tin and silver |
| D. | zinc and nickel |
| Answer» B. zinc and lead | |
| 171. |
Teak wood is suitable for |
| A. | sports articles |
| B. | furnitures |
| C. | railway sleepers |
| D. | all the above. |
| Answer» C. railway sleepers | |
| 172. |
Refractory bricks are used for |
| A. | retaining walls |
| B. | columns |
| C. | piers |
| D. | combustion chambers. |
| Answer» E. | |
| 173. |
Wrought iron is used for |
| A. | structural works in beams |
| B. | small sized water pipes |
| C. | columns and struts |
| D. | none to these. |
| Answer» C. columns and struts | |
| 174. |
Seasoning of timber is essential to remove |
| A. | knots from timber |
| B. | sap from timber |
| C. | twisted fibre from timber |
| D. | roughness of timber. |
| Answer» C. twisted fibre from timber | |
| 175. |
The minimum compressive strength of Ilnd class bricks should be |
| A. | 75 kg/cm2 |
| B. | 90 kg/cm2 |
| C. | 100 kg/cm2 |
| D. | 120 kg/cm2 |
| Answer» B. 90 kg/cm2 | |
| 176. |
The type of steel used for precision levelling staff, is |
| A. | Titanium steel |
| B. | Carbon steel |
| C. | Invar |
| D. | Stainless steel. |
| Answer» D. Stainless steel. | |
| 177. |
Asphalt is obtained from |
| A. | petroleum distillation |
| B. | bitumen distillation |
| C. | plastic distillation |
| D. | none of these. |
| Answer» B. bitumen distillation | |
| 178. |
The softest rock is |
| A. | marble |
| B. | diamond |
| C. | talc |
| D. | quartz. |
| Answer» D. quartz. | |
| 179. |
Wrought iron is manufactured from pig iron by |
| A. | refining |
| B. | pudding |
| C. | shingling |
| D. | rolling |
| Answer» E. | |
| 180. |
Dextrin is |
| A. | animal glue |
| B. | starch glue |
| C. | albumin glue |
| D. | rubber based adhesive |
| Answer» E. | |
| 181. |
The thermosetting plastic |
| A. | becomes rigid when moulded at suitable pressure and temperature |
| B. | at 127°C to 177°C permanently set and further application of heat does not soften it |
| C. | charrs at 343°C |
| D. | All the above. |
| Answer» E. | |
| 182. |
Knots in timber are |
| A. | defects caused by crushing fibres |
| B. | splits radiating from the centre |
| C. | speckled strains |
| D. | signs of branches cut off. |
| Answer» E. | |
| 183. |
Magnese steels |
| A. | are non-magnetic |
| B. | possess high electrical resistance |
| C. | possess low coefficient of expansion |
| D. | are used for the manufacture of rails |
| Answer» E. | |
| 184. |
The most fire resistant paints are : |
| A. | enamel paints |
| B. | aluminium paints |
| C. | asbestos paints |
| D. | cement paints. |
| Answer» D. cement paints. | |
| 185. |
Based on its dry weight, a freshly felled tree may contain water |
| A. | 0.25 |
| B. | 0.5 |
| C. | 0.75 |
| D. | 100%. |
| Answer» E. | |
| 186. |
The material generally not used as extender in paints, is |
| A. | powdered silica |
| B. | gypsum |
| C. | talc |
| D. | zinc white. |
| Answer» E. | |
| 187. |
Slump test for concrete is carried out, to determine |
| A. | strength |
| B. | durability |
| C. | workability |
| D. | water content. |
| Answer» D. water content. | |
| 188. |
The standard size of masonry bricks, is |
| A. | 18 cm x 8 cm x 8 cm |
| B. | 19 cm x 9 cm x 9 cm |
| C. | 20 cm x 10 cm x 10 cm |
| D. | 21 cm x 11 cm x 11 cm |
| Answer» C. 20 cm x 10 cm x 10 cm | |
| 189. |
Based on flow quality, the sequence of pipes is |
| A. | A.C. pipes, G.I. pipes, C.I. pipes, PVC pipes |
| B. | C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes |
| C. | C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes |
| D. | None of these. |
| Answer» C. C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes | |
| 190. |
Bitumen felt is used for |
| A. | water proofing |
| B. | damp proofing |
| C. | both (a) and (b) |
| D. | neither (a) nor (b). |
| Answer» D. neither (a) nor (b). | |
| 191. |
Laterite is found in |
| A. | U.P. |
| B. | Punjab |
| C. | West Bengal |
| D. | Kerala. |
| Answer» B. Punjab | |
| 192. |
Mastic asphalt is generally used for |
| A. | damp proof course |
| B. | water proof layer |
| C. | partition walls |
| D. | both (a) and (b). |
| Answer» E. | |
| 193. |
For light and ornamental casting, the most unsuitable pig iron, is |
| A. | Bessemer pig |
| B. | Grey or foundry pig |
| C. | White or forge pig |
| D. | Mottled pig. |
| Answer» E. | |
| 194. |
Resins are |
| A. | not soluble in water |
| B. | soluble in spirit |
| C. | used in varnishes |
| D. | left behind on evaporation of oil |
| Answer» D. left behind on evaporation of oil | |
| 195. |
Calcination of iron ores is done |
| A. | to remove moisture |
| B. | to remove carbonic acid |
| C. | by roasting in heaps |
| D. | after dressing |
| Answer» E. | |
| 196. |
Sea sand used in structures causes |
| A. | dampness |
| B. | efflorescence |
| C. | disintegration |
| D. | All of these. |
| Answer» E. | |
| 197. |
The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: |
| A. | 15, 75, 10 |
| B. | 75, 10, 15 |
| C. | 10, 15, 75 |
| D. | 10, 75, 15. |
| Answer» B. 75, 10, 15 | |
| 198. |
Asbestos is |
| A. | corrugated sheet used for roofing |
| B. | an incombustible fire proof material |
| C. | an organic substance |
| D. | a bad insulator for sound and heat |
| Answer» E. | |
| 199. |
Duco is one of the patent forms of |
| A. | emulsion paints |
| B. | plastic paints |
| C. | bituminous paints |
| D. | aluminium paints |
| Answer» E. | |
| 200. |
The presence of sand in brick earth prevents: |
| A. | cracking of bricks |
| B. | shrinkage of bricks |
| C. | warping of bricks |
| D. | none of these. |
| Answer» D. none of these. | |