McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 351. |
Varnish is a transparent or semi-transparent solution of resinous substances in |
| A. | Alcohol |
| B. | Linseed |
| C. | Turpentine |
| D. | All the above |
| Answer» D. All the above | |
| 352. |
Refractory bricks are used for |
| A. | Retaining walls |
| B. | Columns |
| C. | Piers |
| D. | Combustion chambers |
| Answer» D. Combustion chambers | |
| 353. |
Minimum required water cement ratio for a workable concrete, is |
| A. | 0.30 |
| B. | 0.40 |
| C. | 0.50 |
| D. | 0.60 |
| Answer» B. 0.40 | |
| 354. |
Minimum of 40% of iron, is available in |
| A. | Magnetite |
| B. | Red haematite |
| C. | Limonite |
| D. | Black band |
| Answer» D. Black band | |
| 355. |
Portland pozzolana cement possesses |
| A. | Higher resistance to chemical attack |
| B. | Lower heat of hydration |
| C. | Lower shrinkage on drying |
| D. | All the above |
| Answer» D. All the above | |
| 356. |
Dextrin is |
| A. | Animal glue |
| B. | Starch glue |
| C. | Albumin glue |
| D. | Rubber based adhesive |
| Answer» D. Rubber based adhesive | |
| 357. |
Mastic asphalt is normally used for |
| A. | Sound insulation |
| B. | Water proofing |
| C. | Fire proofing |
| D. | None to these |
| Answer» B. Water proofing | |
| 358. |
The steel which contains fissures and cavities, is manufactured by |
| A. | Cementation process |
| B. | Crucible process |
| C. | Bessemer process |
| D. | Open hearth process |
| Answer» A. Cementation process | |
| 359. |
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» B. C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes | |
| 360. |
Pick up the correct statement from the following: |
| A. | Hornblende mineral is brittle |
| B. | Muscovite is also known as white mica and potash mica |
| C. | Biotite is also known as black-mica |
| D. | All the above |
| Answer» D. All the above | |
| 361. |
Good quality sand is never obtained from |
| A. | River |
| B. | Lake |
| C. | Sea |
| D. | Gravel powder |
| Answer» C. Sea | |
| 362. |
Lime mortar is generally made with |
| A. | Quick lime |
| B. | Fat lime |
| C. | Hydraulic lime |
| D. | Plain lime |
| Answer» C. Hydraulic lime | |
| 363. |
Pick up the compound responsible for early strength of cement from the following: |
| A. | Tetra-calcium alumino-ferrite |
| B. | Tri-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Di-calcium silicate |
| Answer» B. Tri-calcium silicate | |
| 364. |
Linseed oil is used in paints as |
| A. | Thinner |
| B. | Vehicle |
| C. | Base |
| D. | Drier |
| Answer» B. Vehicle | |
| 365. |
Asphalt is obtained from |
| A. | Petroleum distillation |
| B. | Bitumen distillation |
| C. | Plastic distillation |
| D. | None of these |
| Answer» A. Petroleum distillation | |
| 366. |
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» D. 70 to 75 | |
| 367. |
Most commonly used solvent in oil paints, is |
| A. | Petroleum |
| B. | Spirit |
| C. | Coal tar |
| D. | Turpentine |
| Answer» A. Petroleum | |
| 368. |
The harmonious mixing of the clay ingredients, is known as |
| A. | Weathering |
| B. | Blending |
| C. | Tempering |
| D. | None of these |
| Answer» B. Blending | |
| 369. |
Bitumen felt |
| A. | Is used as water proofing material |
| B. | Is used as damp proofing material |
| C. | Is made from bitumen and hessian fibres |
| D. | All the above |
| Answer» D. All the above | |
| 370. |
The initial setting time of lime-pozzolana, is |
| A. | 30 minutes |
| B. | 60 minutes |
| C. | 90 minutes |
| D. | 120 minutes |
| Answer» D. 120 minutes | |
| 371. |
The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout |
| A. | The monsoon |
| B. | The winter |
| C. | The summer |
| D. | None of these |
| Answer» A. The monsoon | |
| 372. |
If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called |
| A. | Bessemer pig |
| B. | Grey or foundry pig |
| C. | White or forge pig |
| D. | Mottled pig |
| Answer» C. White or forge pig | |
| 373. |
Depending on the chemical composition and mechanical properties, iron may be classified as |
| A. | Cast iron |
| B. | Wrought iron |
| C. | Steel |
| D. | All the above |
| Answer» D. All the above | |
| 374. |
The main constituent of fly-ash, is |
| A. | Aluminium oxide |
| B. | Silica |
| C. | Ferrous oxide |
| D. | All of these |
| Answer» D. All of these | |
| 375. |
Brittleness of cold is due to an excess of |
| A. | Sulphur |
| B. | Carbon |
| C. | Phosphorus |
| D. | Silicon |
| Answer» C. Phosphorus | |
| 376. |
Asbestos cement |
| A. | Is brittle |
| B. | Warps due to changes in humidity |
| C. | Strength is lowered when saturated by water |
| D. | All of the above |
| Answer» D. All of the above | |
| 377. |
Gneiss is obtained from |
| A. | Igneous rocks |
| B. | Metamorphic rocks |
| C. | Sedimentary rocks |
| D. | Sedimentary metamorphic rocks |
| Answer» D. Sedimentary metamorphic rocks | |
| 378. |
Fibre glass |
| A. | Retains heat-longer |
| B. | Has a higher strength to weight ratio |
| C. | Is shock proof and fire retardant |
| D. | All the above |
| Answer» D. All the above | |
| 379. |
Pick up the correct statement from the following: |
| A. | The theory of formation of concrete is based on the phenomena of formation of voids |
| B. | The bulking of sand is taken into account while volumetric proportioning of the aggregates |
| C. | The dry sand and the sand completely flooded with water, have practically the same volume |
| D. | All the above |
| Answer» D. All the above | |
| 380. |
The commonly used colour pigment in paints, is |
| A. | Ambers |
| B. | Carbon black |
| C. | Iron oxide |
| D. | All the above |
| Answer» D. All the above | |
| 381. |
The variety of pig iron used for the manufacture of steel by Bessemer process, is |
| A. | Bessemer pig |
| B. | Grey pig |
| C. | White forge pig |
| D. | Mottled pig |
| Answer» A. Bessemer pig | |
| 382. |
Vanadium steel is generally used for |
| A. | Railway switches and crossing |
| B. | Bearing balls |
| C. | Magnets |
| D. | Axles and springs |
| Answer» D. Axles and springs | |
| 383. |
A badly mixed cement concrete results in |
| A. | Segregation |
| B. | Bleeding |
| C. | Honey combing |
| D. | None of these |
| Answer» C. Honey combing | |
| 384. |
Chemically, marble is known as |
| A. | Metamorphic rock |
| B. | Argillaceous rock |
| C. | Calcareous rock |
| D. | Siliceous rock |
| Answer» C. Calcareous rock | |
| 385. |
The filler used in plastic bitumen, is |
| A. | Shale powder |
| B. | Talc powder |
| C. | Asbestos powder |
| D. | Plastic powder |
| Answer» C. Asbestos powder | |
| 386. |
Mastic asphalt is generally used for |
| A. | Damp proof course |
| B. | Water proof layer |
| C. | Partition walls |
| D. | Both (A) and (B) |
| Answer» D. Both (A) and (B) | |
| 387. |
The most fire resistant paints are: |
| A. | Enamel paints |
| B. | Aluminium paints |
| C. | Asbestos paints |
| D. | Cement paints |
| Answer» C. Asbestos paints | |
| 388. |
A pug mill is used for |
| A. | Softening brick earth |
| B. | Moulding brick earth |
| C. | Tempering brick earth |
| D. | Providing brick earth |
| Answer» C. Tempering brick earth | |
| 389. |
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. | All the above |
| Answer» D. All the above | |
| 390. |
The compound of Portland cement which contributes to the strength after two to three years is |
| A. | Tri-calcium silicate |
| B. | Di-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra-calcium alumino ferrite |
| Answer» B. Di-calcium silicate | |
| 391. |
Bessemer process is used for the manufacture of |
| A. | Pig iron |
| B. | Cast iron |
| C. | Wrought iron |
| D. | Steel |
| Answer» D. Steel | |
| 392. |
Which one of the following is an air binding material? |
| A. | Gypsum |
| B. | Acid-resistant cement |
| C. | Quick lime |
| D. | All of these |
| Answer» D. All of these | |
| 393. |
A good quality stone absorbs water less than |
| A. | 5 % |
| B. | 10 % |
| C. | 15 % |
| D. | 25 % |
| Answer» A. 5 % | |
| 394. |
The slag which floats on the surface of the molten iron generally contains |
| A. | Lime (CaO) 45% |
| B. | Silica (SiO2) 35% |
| C. | Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% |
| D. | All the above |
| Answer» D. All the above | |
| 395. |
For the manufacture of plywood, veneers are placed so that grains of adjacent veneers |
| A. | Run at right angles |
| B. | Parallel |
| C. | Inclined at 45° |
| D. | Inclined at 60° |
| Answer» A. Run at right angles | |
| 396. |
The commonly used drying oil for oil paints, is |
| A. | Olive oil |
| B. | Linseed oil |
| C. | Kerosene oil |
| D. | Acetate of lead |
| Answer» D. Acetate of lead | |
| 397. |
Initial setting of cement is caused due to |
| A. | Tri-calcium silicate |
| B. | Di-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite |
| Answer» C. Tri-calcium aluminate | |
| 398. |
Wrought iron is manufactured from pig iron by |
| A. | Refining |
| B. | Pudding |
| C. | Shingling |
| D. | All the above |
| Answer» D. All the above | |
| 399. |
Fibre boards can be |
| A. | Distempered |
| B. | Painted |
| C. | Painted and distempered |
| D. | Used for furniture |
| Answer» D. Used for furniture | |
| 400. |
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» B. Flooring at ground level | |
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