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.
| 301. |
A pug mill is used for |
| A. | softening brick earth |
| B. | moulding brick earth |
| C. | tempering brick earth |
| D. | providing brick earth |
| Answer» D. providing brick earth | |
| 302. |
In the method of condensation polymerization, |
| A. | low-molecular substances are removed from the high molecular substance |
| B. | the reaction proceeds with an evolution of ammonia |
| C. | the reaction proceeds with an evolution of hydrogen chloride |
| D. | all the above. |
| Answer» E. | |
| 303. |
Glazing of clay products, is done |
| A. | to improve their appearance |
| B. | to protect them from atmospheric effect |
| C. | to protect them from corrosive action |
| D. | all the above. |
| Answer» E. | |
| 304. |
Stainless steel resists corrosion due to |
| A. | carbon |
| B. | sulphur |
| C. | vanadium |
| D. | chromium |
| Answer» E. | |
| 305. |
Portland pozzolana cement possesses |
| A. | higher resistance to chemical attack |
| B. | lower heat of hydration |
| C. | lower shrinkage on drying |
| D. | water tightness |
| Answer» E. | |
| 306. |
Chemically, marble is known as |
| A. | metamorphic rock |
| B. | argillaceous rock |
| C. | calcareous rock |
| D. | silicious rock. |
| Answer» D. silicious rock. | |
| 307. |
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% |
| D. | MgO, CaSO4, KMnO2 and FeO 8% |
| Answer» E. | |
| 308. |
Whitworth compressed steel is obtained when molten steel is subjected to a pressure of |
| A. | 5 kg/mm2 |
| B. | 9 kg/mm2 |
| C. | 13 kg/mm2 |
| D. | 15 kg/mm2 |
| Answer» C. 13 kg/mm2 | |
| 309. |
Due to attack of dry rot, the timber |
| A. | cracks |
| B. | shrinks |
| C. | reduces to powder |
| D. | none of these. |
| Answer» D. none of these. | |
| 310. |
Vanadium steel is generally used for |
| A. | railway switches and crossing |
| B. | bearing balls |
| C. | magnets |
| D. | axles and springs. |
| Answer» E. | |
| 311. |
Pick up the correct statement regarding low heat cement from the following: |
| A. | It possesses less compressive strength |
| B. | Its initial setting time is about one hour |
| C. | Its final setting time is about 10 hours |
| D. | Its mainly used for mass concrete work |
| Answer» E. | |
| 312. |
Pick up correct statement from the following: |
| A. | Fibre boards are used for thermal and acoustic control |
| B. | Fibre boards are used for light weight standing members |
| C. | Fibre boards are obtained by impregnating a resin product on fibres |
| D. | all the above. |
| Answer» E. | |
| 313. |
The hardest rock is |
| A. | marble |
| B. | diamond |
| C. | talc |
| D. | quartz. |
| Answer» C. talc | |
| 314. |
Most commonly used solvent in oil paints, is |
| A. | petroleum |
| B. | spirit |
| C. | coaltar |
| D. | turpentine. |
| Answer» B. spirit | |
| 315. |
The percentage of alumina and silica in good fire clay vary respectively is |
| A. | 25, 75 |
| B. | 30, 70 |
| C. | 35, 65 |
| D. | All of these. |
| Answer» B. 30, 70 | |
| 316. |
Sewer pipes are made of |
| A. | earthen ware |
| B. | stone ware |
| C. | refractory clay |
| D. | terracota |
| Answer» C. refractory clay | |
| 317. |
Water paint is a |
| A. | white wash |
| B. | colour wash |
| C. | whiting |
| D. | distemper |
| Answer» E. | |
| 318. |
Galvanising means covering iron with a thin coat of |
| A. | tin |
| B. | zinc |
| C. | glaze |
| D. | coal tar. |
| Answer» C. glaze | |
| 319. |
The percentage of water for normal consistency, is |
| A. | 5% to 15% |
| B. | 10% to 25% |
| C. | 15% to 25% |
| D. | 20% to 30% |
| Answer» D. 20% to 30% | |
| 320. |
The tendency of a stone is, to split along: |
| A. | texture |
| B. | fracture |
| C. | cleavage |
| D. | structure |
| Answer» D. structure | |
| 321. |
Acrylic is the name of |
| A. | cellulose resin |
| B. | alkyd resin |
| C. | methyl metha crylate |
| D. | cumarone-indene. |
| Answer» D. cumarone-indene. | |
| 322. |
The variety of pig iron used for manufacture of wrought iron, is |
| A. | Bessemer pig |
| B. | Grey or foundry pig |
| C. | White forge pig |
| D. | Mottled pig. |
| Answer» D. Mottled pig. | |
| 323. |
Cast iron |
| A. | is obtained by purifying pig iron |
| B. | is manufactured in required shapes |
| C. | may contain 2 to 5 per cent of carbon with other impurities |
| D. | is remelted in a cupola furnace |
| Answer» E. | |
| 324. |
The stones obtained by blasting are used as |
| A. | ballast in railways |
| B. | aggregates for concrete |
| C. | roadmetal |
| D. | All the above. |
| Answer» E. | |
| 325. |
Linseed oil is used in paints as |
| A. | thinner |
| B. | vehicle |
| C. | base |
| D. | drier. |
| Answer» E. | |
| 326. |
Plywood is normally available |
| A. | 1 mm thick |
| B. | 2 mm thick |
| C. | 2 to 3 mm thick |
| D. | 3 mm to 4 mm thick. |
| Answer» E. | |
| 327. |
Black marble is generally found in the district of |
| A. | Jodhpur |
| B. | Jaipur |
| C. | Jabalpur |
| D. | Jaisalmer |
| Answer» C. Jabalpur | |
| 328. |
Pick up the hypabyssal rock from the following: |
| A. | Granite |
| B. | Dolerite |
| C. | Basalt |
| D. | All the above. |
| Answer» C. Basalt | |
| 329. |
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. | |
| 330. |
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» D. Tetra calcium alumino ferrite. | |
| 331. |
The silica is used for preparing |
| A. | silica bricks |
| B. | coke oven |
| C. | lining for glass furnaces |
| D. | all of these. |
| Answer» E. | |
| 332. |
Which one of the following is an air binding material ? |
| A. | Gypsum |
| B. | Acid-resistant cement |
| C. | Quick lime |
| D. | All of these. |
| Answer» E. | |
| 333. |
Porcelain is used as : |
| A. | sanitary wares |
| B. | electric insulators |
| C. | storage vessels |
| D. | reactor chambers |
| Answer» E. | |
| 334. |
To give a brilliant finish, the type of varnish used, is |
| A. | water varnish |
| B. | spirit varnish |
| C. | turpentine varnish |
| D. | oil varnish |
| Answer» C. turpentine varnish | |
| 335. |
In the cement the compound quickest to react with water, is |
| A. | Tricalcium aluminate |
| B. | Tetra-calcium alumino-ferrite |
| C. | Tricalcium silicate |
| D. | Dicalcium silicate. |
| Answer» B. Tetra-calcium alumino-ferrite | |
| 336. |
The commonly used raw material in the manufacture of cement, is |
| A. | slate |
| B. | sand stone |
| C. | lime stone |
| D. | basalt. |
| Answer» D. basalt. | |
| 337. |
The normal curing period for lime mortar, is: |
| A. | one day |
| B. | 3 days |
| C. | 7 days |
| D. | 10 days |
| Answer» D. 10 days | |
| 338. |
Distemper is |
| A. | a paint consisting of powdered chalk, pigments, and water |
| B. | a water proofing agent |
| C. | a paint consisting of coloured cement and water |
| D. | a drying agent. |
| Answer» B. a water proofing agent | |
| 339. |
The method of addition polymerization is used for obtaining: |
| A. | polythylene |
| B. | polypropylene |
| C. | polyvinylchloride |
| D. | polystyrene |
| Answer» E. | |
| 340. |
Upto a maximum of 72% of iron, is available in |
| A. | Magnetite |
| B. | Red haemetite |
| C. | Limonite |
| D. | Siderite |
| Answer» B. Red haemetite | |
| 341. |
A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called |
| A. | slate |
| B. | plank |
| C. | board |
| D. | strip. |
| Answer» E. | |
| 342. |
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 |
| Answer» E. | |
| 343. |
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» B. parallel | |
| 344. |
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» E. | |
| 345. |
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» E. | |
| 346. |
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» E. | |
| 347. |
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» B. Grey pig | |
| 348. |
Pig iron is manufactured from the ores by |
| A. | dressing |
| B. | calcination and roasting |
| C. | smelting |
| D. | all the above. |
| Answer» E. | |
| 349. |
The cast iron when heated to red heat with powdered red haemetite in an oven for increasing its toughness, is converted to |
| A. | grey cast iron |
| B. | white cast iron |
| C. | mottled cast iron |
| D. | toughed cast iron. |
| Answer» D. toughed cast iron. | |
| 350. |
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» E. | |