McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 401. |
Bituminous fells are used for |
| A. | Covering A.C. sheets |
| B. | Covering sloping roofs |
| C. | D.P.C. |
| D. | None to these |
| Answer» A. Covering A.C. sheets | |
| 402. |
Quick setting cement is produced by adding |
| A. | Less amount of gypsum in very fine powdered form |
| B. | More amount of gypsum in very fine powdered form |
| C. | Aluminium sulphate in very fine powdered form |
| D. | Pozzolana in very fine powdered form |
| Answer» C. Aluminium sulphate in very fine powdered form | |
| 403. |
Pick up the correct statement from the following: |
| A. | The substance which consists of one primary chemical, is known as monomer |
| B. | The polymer consists of thousands of monomers joined together |
| C. | The polymer molecule is called macro-molecule |
| D. | All the above |
| Answer» D. All the above | |
| 404. |
The normal curing period for lime mortar, is: |
| A. | 1 day |
| B. | 3 days |
| C. | 7 days |
| D. | 10 days |
| Answer» C. 7 days | |
| 405. |
German silver is an alloy of |
| A. | Zinc, lead and nickel |
| B. | Silver, gold and lead |
| C. | Copper, nickel and zinc |
| D. | Copper, brass and zinc |
| Answer» C. Copper, nickel and zinc | |
| 406. |
For the manufacture of stainless steel, steel is mixed with |
| A. | Chromium |
| B. | Nickel |
| C. | Tungsten |
| D. | None of these |
| Answer» A. Chromium | |
| 407. |
The presence of original rounded surface on the manufactured piece of timber, is called |
| A. | Wane |
| B. | Torn grain |
| C. | Diagonal grain |
| D. | Chipmark |
| Answer» A. Wane | |
| 408. |
In paints, the pigment is responsible for |
| A. | Durability |
| B. | Colour |
| C. | Smoothness |
| D. | Glassy face |
| Answer» B. Colour | |
| 409. |
The operation of removal of impurities or clay adhering to iron ores, is known as |
| A. | Dressing |
| B. | Calcination |
| C. | Roasting |
| D. | Smelting |
| Answer» A. Dressing | |
| 410. |
Dry rot |
| A. | Cracks the timber |
| B. | Reduces the strength of timber |
| C. | Reduces the timber to powder |
| D. | Spoils the appearance of timber |
| Answer» C. Reduces the timber to powder | |
| 411. |
Pozzolana (or surkhi) is used in lime |
| A. | To impart hydraulicity |
| B. | To prevent shrinkage |
| C. | To decrease the cost of construction |
| D. | To decrease the setting time |
| Answer» A. To impart hydraulicity | |
| 412. |
The size of modular bricks, is |
| A. | 10 × 10 × 9 cm |
| B. | 19 × 9 × 9 cm |
| C. | 22.5 × 10 × 8.5 cm |
| D. | 22.5 × 8.0 × 9 cm |
| Answer» B. 19 × 9 × 9 cm | |
| 413. |
Plywood is obtained by gluing wooden sheets at |
| A. | 100 to 150 N/cm2 |
| B. | 100 to 130°C |
| C. | Both (A) and (B) |
| D. | Neither (A) nor (B) |
| Answer» C. Both (A) and (B) | |
| 414. |
The low voltage porcelain is mainly used for |
| A. | Switch block |
| B. | Insulating tubes |
| C. | Lamp sockets |
| D. | All of these |
| Answer» D. All of these | |
| 415. |
The initial setting time of hydraulic lime, is |
| A. | 30 minutes |
| B. | 60 minutes |
| C. | 90 minutes |
| D. | 120 minutes |
| Answer» D. 120 minutes | |
| 416. |
PVC stands for |
| A. | Plastic very compact |
| B. | Polythene vinyl chloride |
| C. | Polythene vinyl carbon |
| D. | Polythene vanadium carbide |
| Answer» B. Polythene vinyl chloride | |
| 417. |
Cement paints usually |
| A. | Contain hydrated lime |
| B. | Contain 5% to 10% colour pigments |
| C. | Contain 5% sodium chloride |
| D. | All the above |
| Answer» D. All the above | |
| 418. |
The kiln which may work throughout the year, is |
| A. | Clamp |
| B. | Bull's kiln |
| C. | Hoffman's kiln |
| D. | None of these |
| Answer» C. Hoffman's kiln | |
| 419. |
The main ingredient of a good quality brick earth, is |
| A. | Magnesia |
| B. | Lime |
| C. | Silica |
| D. | Alumina |
| Answer» C. Silica | |
| 420. |
In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is |
| A. | Right angles |
| B. | 45° |
| C. | 60° |
| D. | Parallel |
| Answer» A. Right angles | |
| 421. |
The most durable varnish is |
| A. | Water varnish |
| B. | Spirit varnish |
| C. | Turpentine varnish |
| D. | Oil varnish |
| Answer» D. Oil varnish | |
| 422. |
Softer variety of steel may be obtained by |
| A. | Cementation process |
| B. | Crucible process |
| C. | Bessemer process |
| D. | Open hearth process |
| Answer» C. Bessemer process | |
| 423. |
Bitumen emulsion is |
| A. | A liquid containing bitumen in suspension |
| B. | A paint |
| C. | Used as anti-corrosive paint |
| D. | All the above |
| Answer» D. All the above | |
| 424. |
Plastic bitumen is generally used for |
| A. | Road pavements |
| B. | Expansion joints |
| C. | Crack fillings |
| D. | None to these |
| Answer» C. Crack fillings | |
| 425. |
Asbestos is |
| A. | Corrugated sheet used for roofing |
| B. | An incombustible fire proof material |
| C. | An organic substance |
| D. | All the above |
| Answer» D. All the above | |
| 426. |
The rocks which are formed due to pouring of magma at the earth's surface are called |
| A. | Plutonic rocks |
| B. | Hypabyssal rocks |
| C. | Volcanic rocks |
| D. | Igneous rocks |
| Answer» C. Volcanic rocks | |
| 427. |
Invar contains |
| A. | 12% of nickel |
| B. | 24% of nickel |
| C. | 30% to nickel |
| D. | 36% of nickel |
| Answer» D. 36% of nickel | |
| 428. |
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» A. A paint consisting of powdered chalk, pigments and water | |
| 429. |
The compound of Portland cement which reacts immediately with water and also sets first is |
| A. | Tri-calcium silicate |
| B. | Di-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite |
| Answer» C. Tri-calcium aluminate | |
| 430. |
In arches, stratified stones are placed so that their planes are |
| A. | Parallel |
| B. | Perpendicular |
| C. | Radial |
| D. | None of these |
| Answer» C. Radial | |
| 431. |
The fire clay contains pure |
| A. | Lime |
| B. | Oxide of iron |
| C. | Hydrated aluminium silicate |
| D. | Magnesium |
| Answer» C. Hydrated aluminium silicate | |
| 432. |
Pick up the correct characteristic of Pyroxene from the following: |
| A. | It forms octagonal crystals |
| B. | It converts to chlorine by hydration |
| C. | Its density is 2.3 to 3.6 g/cm2 |
| D. | All the above |
| Answer» D. All the above | |
| 433. |
The base material for distemper, is |
| A. | Chalk |
| B. | Lime |
| C. | Lime putty |
| D. | Cement wash |
| Answer» A. Chalk | |
| 434. |
Slacking of lime is affected by |
| A. | Keeping it exposed to air |
| B. | Immersing the lime in water |
| C. | Crushing the lime lumps |
| D. | None of these |
| Answer» B. Immersing the lime in water | |
| 435. |
Stones used for the construction of retaining walls must be |
| A. | Soft |
| B. | Hard |
| C. | Light |
| D. | Heavy |
| Answer» D. Heavy | |
| 436. |
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» D. 45% of cobalt | |
| 437. |
Stainless steel resists corrosion due to |
| A. | Carbon |
| B. | Sulphur |
| C. | Vanadium |
| D. | Chromium |
| Answer» D. Chromium | |
| 438. |
The most important constituent of varnish, is |
| A. | Drier |
| B. | Solvent |
| C. | Resin |
| D. | All the above |
| Answer» D. All the above | |
| 439. |
A ferrous metal is |
| A. | Cast iron |
| B. | Wrought iron |
| C. | Steel |
| D. | All the above |
| Answer» D. All the above | |
| 440. |
For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is |
| A. | 80 : 13 : 7 |
| B. | 70 : 20 : 10 |
| C. | 60 : 35 : 5 |
| D. | None of these |
| Answer» A. 80 : 13 : 7 | |
| 441. |
Water paint is a |
| A. | White wash |
| B. | Colour wash |
| C. | Whiting |
| D. | All the above |
| Answer» D. All the above | |
| 442. |
Spirit varnish generally consists of |
| A. | Oil, wax and resin |
| B. | Alcohol, wax and turpentine |
| C. | Pigment and synthetic resin |
| D. | Spirit and shellac |
| Answer» D. Spirit and shellac | |
| 443. |
Duco paints are |
| A. | Plastic paints |
| B. | Cellulose paints |
| C. | Emulsion paints |
| D. | Oil paints |
| Answer» D. Oil paints | |
| 444. |
Pick up the correct statement from the following: |
| A. | Melamine is obtained from calcium carbide |
| B. | Formaldehyde is prepared synthetically from methane |
| C. | The melamine when reacted with formaldehyde forms the melamine-formaldehyde resin |
| D. | All the above |
| Answer» D. All the above | |
| 445. |
Steel contains carbon approximately |
| A. | 1.50% to 5.6% |
| B. | 0.05% to 1.75% |
| C. | 0.25 % |
| D. | None to these |
| Answer» B. 0.05% to 1.75% | |
| 446. |
Based on its dry weight, a freshly felled tree may contain water |
| A. | 25 % |
| B. | 50 % |
| C. | 75 % |
| D. | 100 % |
| Answer» D. 100 % | |
| 447. |
Forge pig may be converted to wrought iron by |
| A. | Rolling |
| B. | Pudding |
| C. | Shingling |
| D. | Refining |
| Answer» B. Pudding | |
| 448. |
Pick up the correct statement from the following: |
| A. | Bull's trench kiln a trench excavated in ground |
| B. | Hoffman's kiln is constructed over ground |
| C. | Tunnel Kiln is constructed as a tunnel |
| D. | All the above |
| Answer» D. All the above | |
| 449. |
The softest rock is |
| A. | Marble |
| B. | Diamond |
| C. | Talc |
| D. | Quartz |
| Answer» C. Talc | |
| 450. |
Mild steel is used for |
| A. | Structural works in beams, joints and girders |
| B. | Small sized water pipes |
| C. | Columns and struts |
| D. | None of these |
| Answer» A. Structural works in beams, joints and girders | |
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