McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 451. |
The most valuable timber may be obtained from |
| A. | Chir |
| B. | Shishum |
| C. | Sal |
| D. | Teak |
| Answer» D. Teak | |
| 452. |
Mastic asphalt is |
| A. | Acid resisting material |
| B. | Non-corrosive material |
| C. | Corrosive material |
| D. | Heating-resisting material |
| Answer» B. Non-corrosive material | |
| 453. |
For lime concrete, |
| A. | Slump is 50 to 75 mm |
| B. | Flexural strength at 90 days is 0.2 N/mm2 |
| C. | Compressive strength at 90 days is 1.5 N/mm2 |
| D. | All the above |
| Answer» D. All the above | |
| 454. |
The material generally not used as extender in paints, is |
| A. | Powdered silica |
| B. | Gypsum |
| C. | Talc |
| D. | Zinc white |
| Answer» D. Zinc white | |
| 455. |
Pick up the non-inflammable plastic from the following: |
| A. | Cellulose acetate plastics |
| B. | Polyvinyl chloride plastics |
| C. | Phenol formaldehyde plastic |
| D. | Urea formaldehyde plastic |
| Answer» B. Polyvinyl chloride plastics | |
| 456. |
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» D. Mottled pig | |
| 457. |
If the ore impurities is |
| A. | Clay, lime stone is used as flux |
| B. | Lime stone, clay is used as flux |
| C. | Quartz, lime stone and argillaceous iron ores are used as flux |
| D. | All the above |
| Answer» D. All the above | |
| 458. |
The plastics prepared from Vinyl resin are |
| A. | Odourless |
| B. | Non-toxic |
| C. | Transparent |
| D. | All of these |
| Answer» D. All of these | |
| 459. |
A rock contains only one mineral. It is called |
| A. | Homogeneous |
| B. | Non-homogeneous |
| C. | Monomineralic |
| D. | Polymineralic |
| Answer» C. Monomineralic | |
| 460. |
Pegmatite is a/an |
| A. | Intrusive igneous rock |
| B. | Extrusive igneous rock |
| C. | Sedimentary rock |
| D. | Metamorphic rock |
| Answer» A. Intrusive igneous rock | |
| 461. |
Dorry's testing machine is used for |
| A. | Crushing test of stone |
| B. | Hardness test of stone |
| C. | Impact test of stone |
| D. | Water absorption test |
| Answer» B. Hardness test of stone | |
| 462. |
Dolomite is a lime stone which contains carbonate of magnesia upto |
| A. | 15 % |
| B. | 20 % |
| C. | 25 % |
| D. | 45 % |
| Answer» D. 45 % | |
| 463. |
The portion of the brick cut across its width and having its length equal to that of a full brick, is known as |
| A. | Closer |
| B. | Queen closer |
| C. | King closer |
| D. | Prince closer |
| Answer» B. Queen closer | |
| 464. |
The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is |
| A. | 20 |
| B. | 15 |
| C. | 5 |
| D. | 0 |
| Answer» D. 0 | |
| 465. |
For a 50 kg cement bag water required, is |
| A. | 16.5 litres |
| B. | 18.5 litres |
| C. | 20.5 litres |
| D. | 22.5 litres |
| Answer» D. 22.5 litres | |
| 466. |
Slump test for concrete is carried out, to determine |
| A. | Strength |
| B. | Durability |
| C. | Workability |
| D. | Water content |
| Answer» C. Workability | |
| 467. |
The frog of a brick is normally made on its |
| A. | Top face |
| B. | Bottom face |
| C. | Longer face |
| D. | Shorter side |
| Answer» A. Top face | |
| 468. |
Granite mainly composed of quartz and feldspar particles, is obtained from |
| A. | Sedimentary rocks |
| B. | Metamorphic rocks |
| C. | Igneous rocks |
| D. | All the above |
| Answer» C. Igneous rocks | |
| 469. |
Pig iron obtained from the furnace which is properly provided with fuel at a very high temperature, is called |
| A. | Bessemer pig |
| B. | Grey or foundry pig |
| C. | White or forge pig |
| D. | Mottled pig |
| Answer» B. Grey or foundry pig | |
| 470. |
Pick up the metal refractory from the following: |
| A. | Molybdenum |
| B. | Tungsten |
| C. | Zirconium |
| D. | All of these |
| Answer» D. All of these | |
| 471. |
With storage, strength of cement |
| A. | Increases |
| B. | Decreases |
| C. | Remains the same |
| D. | None to these |
| Answer» B. Decreases | |
| 472. |
The commonly used raw material in the manufacture of cement, is |
| A. | Slate |
| B. | Sand stone |
| C. | Lime stone |
| D. | Basalt |
| Answer» C. Lime stone | |
| 473. |
The rocks formed from molten magma, are called |
| A. | Sedimentary rocks |
| B. | Igneous rocks |
| C. | Metamorphic rocks |
| D. | None of these |
| Answer» B. Igneous rocks | |
| 474. |
Bitumen paints offer |
| A. | Pleasing surface |
| B. | Hard surface |
| C. | Smooth surface |
| D. | Protective surface |
| Answer» D. Protective surface | |
| 475. |
Ground glass |
| A. | Is made by grinding its one side |
| B. | Is made by melting powdered glass paints surface |
| C. | Is used for getting light without transparency |
| D. | All the above |
| Answer» D. All the above | |
| 476. |
The wedging is adopted for quarrying costly stratified rock such as |
| A. | Laterite |
| B. | Marble |
| C. | Limestone |
| D. | All the above |
| Answer» D. All the above | |
| 477. |
The colour of statuary marble used for sculptor's work, is |
| A. | Red |
| B. | Blue |
| C. | White |
| D. | Green |
| Answer» C. White | |
| 478. |
In a mortar, the binding material is |
| A. | cement |
| B. | sand |
| C. | surkhi |
| D. | Cinder. |
| Answer» A. cement | |
| 479. |
Wrought iron contains carbon up to |
| A. | 0.25% |
| B. | 1.0% |
| C. | 1.5% |
| D. | 2%. |
| Answer» A. 0.25% | |
| 480. |
Ultimate strength to cement is provided by |
| A. | Tricalcium silicate |
| B. | Di-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite. |
| Answer» B. Di-calcium silicate | |
| 481. |
The initial setting time of lime-pozzolana, is |
| A. | 30 minutes |
| B. | 60 minutes |
| C. | 90 minutes |
| D. | 120 minutes. |
| Answer» D. 120 minutes. | |
| 482. |
The clay to be used for manufacturing for bricks is dugout and allowed to weather in |
| A. | the monsoon |
| B. | the winter |
| C. | the summer |
| D. | none of these |
| Answer» A. the monsoon | |
| 483. |
Quartzite is a |
| A. | metamorphic rock |
| B. | argillaceous rock |
| C. | calcareous rock |
| D. | Silicious rock. |
| Answer» D. Silicious rock. | |
| 484. |
Pick up the hypabyssal rock from the following |
| A. | Granite |
| B. | Dolerite |
| C. | Basalt |
| D. | All the above. |
| Answer» B. Dolerite | |
| 485. |
Depending on the chemical composition and mechanical properties, iron classified as |
| A. | cast iron |
| B. | wrought iron |
| C. | steel |
| D. | all the above. |
| Answer» D. all the above. | |
| 486. |
The main constituent of fly-ash, is |
| A. | aluminum oxide |
| B. | silica |
| C. | ferrous oxide |
| D. | All of these. |
| Answer» D. All of these. | |
| 487. |
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. | |
| 488. |
The plastics made from cellulose resin |
| A. | are as clear as glass |
| B. | are tough and strong |
| C. | possess excellent electrical properties |
| D. | All the above. |
| Answer» D. All the above. | |
| 489. |
The rocks in which argil (or clay) predominates, are called |
| A. | sillicious rocks |
| B. | argillaceous rocks |
| C. | calcareous rocks |
| D. | Igneous rocks. |
| Answer» A. sillicious rocks | |
| 490. |
A badly mixed cement concrete results in |
| A. | segregation |
| B. | bleeding |
| C. | honey combing |
| D. | None to these. |
| Answer» C. honey combing | |
| 491. |
Chemically, marble is known as |
| A. | metamorphic rock |
| B. | argillaceous rock |
| C. | calcareous rock |
| D. | silicious rock. |
| Answer» C. calcareous rock | |
| 492. |
Inner part of a timber log surrounding the pith, is called |
| A. | sapwood |
| B. | cambium layer |
| C. | heart wood |
| D. | none to these. |
| Answer» C. heart wood | |
| 493. |
Refractory bricks are used for |
| A. | retaining walls |
| B. | columns |
| C. | piers |
| D. | Combustion chambers. |
| Answer» D. Combustion chambers. | |
| 494. |
Expanded metal is |
| A. | manufactured from steel sheets |
| B. | used for reinforced concrete in road pavements |
| C. | measured in term of SWM (shortway mesh) and LWM (long way mesh) |
| D. | All the above. |
| Answer» D. All the above. | |
| 495. |
A piece 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 | |
| 496. |
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» D. All the above. | |
| 497. |
Pick up the correct statement from the following |
| A. | soft stones are required for carving |
| B. | light stones are required for arches |
| C. | hard stones are required to stand high pressure |
| D. | All the above. |
| Answer» D. All the above. | |
| 498. |
Name the type of cement from the following for canal linings |
| A. | sulphate resisting cement |
| B. | rapid hardening cement |
| C. | quick setting cement |
| D. | Pozzuolana cement. |
| Answer» A. sulphate resisting cement | |
| 499. |
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). | |
| 500. |
The most fire resistant paints are |
| A. | enamel paints |
| B. | aluminum paints |
| C. | asbestos paints |
| D. | Cement paints. |
| Answer» C. asbestos paints | |
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