McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 301. |
Plastic |
| A. | Is an organic substance |
| B. | Consists of natural or synthetic binders |
| C. | Finished products are rigid and stable at normal temperature |
| D. | All the above |
| Answer» D. All the above | |
| 302. |
Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a |
| A. | Cant |
| B. | Deal |
| C. | Baulk |
| D. | Strip |
| Answer» C. Baulk | |
| 303. |
Rocks formed due to alteration of original structure due to heat and excessive pressure are called |
| A. | Sedimentary rocks |
| B. | Igneous rocks |
| C. | Metamorphic rocks |
| D. | None of these |
| Answer» C. Metamorphic rocks | |
| 304. |
Geologically, marble is known as |
| A. | Sedimentary rock |
| B. | Igneous rock |
| C. | Metamorphic rock |
| D. | Stratified rock |
| Answer» C. Metamorphic rock | |
| 305. |
Iron ore may contain |
| A. | Carbon |
| B. | Silicon |
| C. | Phosphorus and manganese |
| D. | All the above |
| Answer» D. All the above | |
| 306. |
Pick up the incorrect statement from the following: |
| A. | Plastics are chemical resistant |
| B. | Plastics are durable |
| C. | Plastics are ductile |
| D. | Plastics are excellent electric insulators |
| Answer» C. Plastics are ductile | |
| 307. |
The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: |
| A. | Radial shakes |
| B. | Heart shakes |
| C. | Wind cracks |
| D. | Twisted fibres |
| Answer» C. Wind cracks | |
| 308. |
Pig iron is manufactured from the ores by |
| A. | Dressing |
| B. | Calcination and roasting |
| C. | Smelting |
| D. | All the above |
| Answer» D. All the above | |
| 309. |
Pick up the correct statement from the following: |
| A. | The plywoods do not split or crack due to changes in atmosphere |
| B. | The commercial plywoods are available upto 150 cm wide and upto 300 cm long |
| C. | The plywoods possess uniform tensile strength in all directions |
| D. | All the above |
| Answer» D. All the above | |
| 310. |
Jhumb bricks are |
| A. | Under burnt |
| B. | Over burnt |
| C. | Kutcha |
| D. | None of these |
| Answer» B. Over burnt | |
| 311. |
Pick up the correct statement from the following: |
| A. | Steel produced by open hearth process is milder than that obtained by the Bessemer process |
| B. | Engineers prefer open hearth steel for structural purpose as it is more homogenous |
| C. | Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel |
| D. | All the above |
| Answer» D. All the above | |
| 312. |
Refractory bricks resist |
| A. | High temperature |
| B. | Chemical action |
| C. | Dampness |
| D. | All the above |
| Answer» A. High temperature | |
| 313. |
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. | Chars at 343°C |
| D. | All the above |
| Answer» D. All the above | |
| 314. |
Commonly used thinner in |
| A. | Lacquer paints, is alcohol |
| B. | Cellulose paints is ethyl acetate |
| C. | Oil paints, is naphtha |
| D. | All the above |
| Answer» D. All the above | |
| 315. |
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» B. Rindgalls | |
| 316. |
Bitumen completely dissolves in |
| A. | Carbon bisulphide |
| B. | Chloroform |
| C. | Coal tar |
| D. | All of these |
| Answer» D. All of these | |
| 317. |
A stone is rejected if it absorbs water more than |
| A. | 5 % |
| B. | 10 % |
| C. | 15 % |
| D. | 20 % |
| Answer» B. 10 % | |
| 318. |
The most commonly used synthetic abrasive is |
| A. | Aluminium carbide |
| B. | Boric acid |
| C. | Silicon |
| D. | All of these |
| Answer» D. All of these | |
| 319. |
During smelting process, the combination of fuel in the furnace |
| A. | Forms carbon dioxide |
| B. | Carbon dioxide with carbon forms carbon mono-oxide |
| C. | Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 |
| D. | All the above |
| Answer» D. All the above | |
| 320. |
According to ISI, bitumen is classified into |
| A. | 2 grades |
| B. | 4 grades |
| C. | 8 grades |
| D. | 10 grades |
| Answer» D. 10 grades | |
| 321. |
Basalt is |
| A. | Sedimentary rock |
| B. | Metamorphic rock |
| C. | Extrusive igneous rock |
| D. | Intrusive igneous rock |
| Answer» C. Extrusive igneous rock | |
| 322. |
The size of mould for bricks, is generally kept |
| A. | A little large to specified size |
| B. | A little small to specified size |
| C. | Equal to specified size |
| D. | 10% larger than specified size |
| Answer» A. A little large to specified size | |
| 323. |
For construction of structures under water, the type of lime used, is |
| A. | Hydraulic lime |
| B. | Fat lime |
| C. | Quick lime |
| D. | Pure lime |
| Answer» A. Hydraulic lime | |
| 324. |
French polish is |
| A. | Oil paint |
| B. | Distemper |
| C. | Spirit varnish |
| D. | None to these |
| Answer» C. Spirit varnish | |
| 325. |
Ultimate strength to cement is provided by |
| A. | Tri-calcium silicate |
| B. | Di-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite |
| Answer» B. Di-calcium silicate | |
| 326. |
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» C. 0.1% to 0.25% | |
| 327. |
Galvanising means covering iron with a thin coat of |
| A. | Tin |
| B. | Zinc |
| C. | Glaze |
| D. | Coal tar |
| Answer» B. Zinc | |
| 328. |
The rocks in which argil (or clay) predominates, are called |
| A. | Siliceous rocks |
| B. | Argillaceous rocks |
| C. | Calcareous rocks |
| D. | Igneous rocks |
| Answer» B. Argillaceous rocks | |
| 329. |
Name the type of cement from the following for canal linings: |
| A. | Sulphate resisting cement |
| B. | Rapid hardening cement |
| C. | Quick setting cement |
| D. | Pozzolana cement |
| Answer» A. Sulphate resisting cement | |
| 330. |
Seasoning is |
| A. | A process of removing sap |
| B. | Creosoting |
| C. | Painting with sodium silicate |
| D. | Coating with tar |
| Answer» A. A process of removing sap | |
| 331. |
Soundness test of cement determines |
| A. | Quality of free lime |
| B. | Ultimate strength |
| C. | Durability |
| D. | Initial setting |
| Answer» A. Quality of free lime | |
| 332. |
Turpentine oil is used in paints as |
| A. | Thinner |
| B. | Vehicle |
| C. | Base |
| D. | Drier |
| Answer» A. Thinner | |
| 333. |
Stucco paints are suitable for |
| A. | Stone masonry |
| B. | Brick walls |
| C. | Both (A) and (B) |
| D. | Neither (A) nor (B) |
| Answer» C. Both (A) and (B) | |
| 334. |
Stones used for ornamental work must be |
| A. | Soft |
| B. | Hard |
| C. | Light |
| D. | Heavy |
| Answer» A. Soft | |
| 335. |
Lime stone is not a |
| A. | Sedimentary rock |
| B. | Stratified rock |
| C. | Aqueous rock |
| D. | Metamorphic rock |
| Answer» D. Metamorphic rock | |
| 336. |
Pick up the correct statement from the following: |
| A. | The heating of a material to redness in contact with air, is known as calcination |
| B. | The property of lime by which it sets or hardens in damp places having no free circulation of air is called setting |
| C. | The product that remains after calcination of limestone, is called lime |
| D. | All the above |
| Answer» D. All the above | |
| 337. |
Pick up the correct statement from the following: |
| A. | The average crushing strength of hand moulded bricks is 6000 t/m2 |
| B. | The average tensile strength of hand moulded brick is 200 t/m2 |
| C. | The average shearing strength of hand moulded brick is 600 t/m2 |
| D. | All the above |
| Answer» D. All the above | |
| 338. |
Snowcrete is one of the patent forms of |
| A. | Distempers |
| B. | Water proof cement paints |
| C. | Enamel paints |
| D. | Cellulose paints |
| Answer» B. Water proof cement paints | |
| 339. |
Cast 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 | |
| 340. |
Pick up the correct statement from the following: |
| A. | The percentage of absorption for firebricks varies from 5 to 10 |
| B. | The percentage of silica in silica bricks is to the extent of about 95 to 97 percent |
| C. | Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material |
| D. | All the above |
| Answer» D. All the above | |
| 341. |
Good quality cement contains higher percentage of |
| A. | Tri-calcium silicate |
| B. | Di-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite |
| Answer» A. Tri-calcium silicate | |
| 342. |
Laterite is a/an |
| A. | Volcanic rock |
| B. | Argillaceous rock |
| C. | Calcareous rock |
| D. | Siliceous rock |
| Answer» B. Argillaceous rock | |
| 343. |
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» B. Sap from timber | |
| 344. |
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» B. A depression on a face of brick | |
| 345. |
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» C. Warping of bricks | |
| 346. |
Refractory bricks are |
| A. | Neutral refractory bricks |
| B. | Acid refractory bricks |
| C. | Basic refractory bricks |
| D. | All the above |
| Answer» D. All the above | |
| 347. |
A prime coat is given to steel work with |
| A. | An oxide of iron paint |
| B. | A mixture of white lead and lead paint |
| C. | A special paint |
| D. | Cement paint |
| Answer» B. A mixture of white lead and lead paint | |
| 348. |
Teak wood is suitable for |
| A. | Sports articles |
| B. | Furnitures |
| C. | Railway sleepers |
| D. | All the above |
| Answer» B. Furnitures | |
| 349. |
Elastomers can extend upto |
| A. | Five times their original dimensions |
| B. | Seven times their original dimensions |
| C. | Ten times their original dimensions |
| D. | Three times their original dimensions |
| Answer» C. Ten times their original dimensions | |
| 350. |
Bitumen in |
| A. | Solid state, is called asphalt |
| B. | Semi fluid state, is called mineral tar |
| C. | Fluid state, is called petroleum |
| D. | All the above |
| Answer» D. All the above | |
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