MCQOPTIONS
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MCQOPTIONS
This section includes 131 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following metamorphic rocks has the most weather resisting characteristics? |
| A. | Marble |
| B. | Quartzite |
| C. | Slate |
| D. | Lime stone |
| Answer» C. Slate | |
| 2. |
Which of the following cements is suitable for use in massive concrete structures such as large dams? |
| A. | Ordinary Portland cement |
| B. | Low heat cement |
| C. | Rapid hardening cement |
| D. | Sulphate resisting cement |
| Answer» C. Rapid hardening cement | |
| 3. |
Calcination of iron ores is done |
| A. | To remove moisture |
| B. | To remove carbonic acid |
| C. | By roasting in heaps |
| D. | All the above |
| Answer» E. | |
| 4. |
The main constituent which imparts hydraulicity to hydraulic lime is |
| A. | Calcium oxide |
| B. | Silica |
| C. | Clay |
| D. | Water |
| Answer» D. Water | |
| 5. |
Bitumen is generally obtained from |
| A. | Organic material |
| B. | Synthetic material |
| C. | Petroleum product |
| D. | Coal |
| Answer» D. Coal | |
| 6. |
The nominal size of the modular brick is |
| A. | 190 mm × 90 mm × 80 mm |
| B. | 190 mm × 190 mm × 90 mm |
| C. | 200 mm × 100 mm × 100 mm |
| D. | 200 mm × 200 mm × 100 mm |
| Answer» D. 200 mm × 200 mm × 100 mm | |
| 7. |
Generally wooden moulds are made from |
| A. | Ply wood |
| B. | Shishum wood |
| C. | Deodar wood |
| D. | Teak wood |
| Answer» C. Deodar wood | |
| 8. |
Crushing strength of a good building stone should be more than |
| A. | 50 MPa |
| B. | 100 MPa |
| C. | 150 MPa |
| D. | 200 MPa |
| Answer» C. 150 MPa | |
| 9. |
Age of a tree may be ascertained by |
| A. | Radius of its stem |
| B. | Circumference of its stem |
| C. | Number of branches |
| D. | Number of annual rings |
| Answer» E. | |
| 10. |
Which of the following is a mineral? |
| A. | Basalt |
| B. | Granite |
| C. | Quartz |
| D. | Syenite |
| Answer» D. Syenite | |
| 11. |
The weight of 1 m3 of brick earth, is about |
| A. | 1200 kg |
| B. | 1500 kg |
| C. | 1800 kg |
| D. | 2000 kg |
| Answer» D. 2000 kg | |
| 12. |
The most important tool in brick laying for lifting and spreading mortar and for forming joints is |
| A. | Trowel |
| B. | Square |
| C. | Bolster |
| D. | Scutch |
| Answer» B. Square | |
| 13. |
Smith's test of stones is performed to find out |
| A. | The presence of soluble matter of stone |
| B. | The compressive strength of the stone |
| C. | The hardness of the stone |
| D. | The toughness of the stone |
| Answer» B. The compressive strength of the stone | |
| 14. |
The amount of water used for one kg of distemper is |
| A. | 0.2 liter |
| B. | 0.4 liter |
| C. | 0.6 liter |
| D. | 0.8 liter |
| Answer» D. 0.8 liter | |
| 15. |
According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than |
| A. | 7 MPa |
| B. | 11.5 MPa |
| C. | 16 MPa |
| D. | 21 MPa |
| Answer» D. 21 MPa | |
| 16. |
Bulking of sand is caused due to |
| A. | Surface moisture |
| B. | Air voids |
| C. | Viscosity |
| D. | Clay contents |
| Answer» B. Air voids | |
| 17. |
Which of the following bricks are used for lining of furnaces? |
| A. | Over-burnt bricks |
| B. | Under-burnt bricks |
| C. | Refractory bricks |
| D. | First class bricks |
| Answer» D. First class bricks | |
| 18. |
The minimum compressive strength of 2nd class bricks should be |
| A. | 75 kg/cm2 |
| B. | 90 kg/cm2 |
| C. | 100 kg/cm2 |
| D. | 120 kg/cm2 |
| Answer» B. 90 kg/cm2 | |
| 19. |
A first class brick when immersed in cold water for 24 hours should not absorb water more than |
| A. | 15 % |
| B. | 20 % |
| C. | 22 % |
| D. | 25 % |
| Answer» C. 22 % | |
| 20. |
Cross cut saw is used for |
| A. | Cutting soft stones |
| B. | Cutting hard stones |
| C. | Cutting large blocks of stones |
| D. | Dressing stones |
| Answer» C. Cutting large blocks of stones | |
| 21. |
The foliated structure is very common in |
| A. | Sedimentary rocks |
| B. | Igneous rocks |
| C. | Metamorphic rocks |
| D. | None of these |
| Answer» D. None of these | |
| 22. |
Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica |
| A. | Basalt and marble are the only metamorphic rocks |
| B. | There is no sedimentary rock |
| C. | Granite is the only igneous rock |
| D. | Quartz and mica are minerals |
| Answer» E. | |
| 23. |
Cast steel is manufactured by |
| A. | Cementation process |
| B. | Crucible process |
| C. | Bessemer process |
| D. | Open hearth process |
| Answer» C. Bessemer process | |
| 24. |
Expansion Joints in masonry walls are provided in wall lengths usater than |
| A. | 10 m |
| B. | 20 m |
| C. | 30 m |
| D. | 40 m |
| Answer» E. | |
| 25. |
Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below: |
| A. | Both A and R is true and, R is the correct explanation of A |
| B. | Both A and R is true but R is not the correct explanation of A |
| C. | A is true but R is false |
| D. | A is false but R is true |
| Answer» B. Both A and R is true but R is not the correct explanation of A | |
| 26. |
Pick up the correct statement from the following: Method of sawing timber |
| A. | Tangentially to annual rings, is known as tangential method |
| B. | In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method |
| C. | Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing |
| D. | All the above |
| Answer» E. | |
| 27. |
Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing The correct answer is |
| A. | (i) and (ii) |
| B. | (i) and (iv) |
| C. | (ii) and (iii) |
| D. | (iii) and (iv) |
| Answer» B. (i) and (iv) | |
| 28. |
Shingle is |
| A. | Decomposed laterite |
| B. | Crushed granite |
| C. | Water bound pebbles |
| D. | Air weathered rock |
| Answer» B. Crushed granite | |
| 29. |
As per IS specifications, the maximum final setting time for ordinary Portland cement should be |
| A. | 30 minutes |
| B. | 1 hour |
| C. | 6 hours |
| D. | 10 hours |
| Answer» E. | |
| 30. |
(i) Slow in setting (ii) Rapid in slacking (iii) Good in strength The correct answer is |
| A. | Only (i) |
| B. | Only (ii) |
| C. | Both (i) and (ii) |
| D. | Both (ii) and (iii) |
| Answer» D. Both (ii) and (iii) | |
| 31. |
Resins are |
| A. | Not soluble in water |
| B. | Soluble in spirit |
| C. | Used in varnishes |
| D. | Left behind on evaporation of oil |
| Answer» D. Left behind on evaporation of oil | |
| 32. |
Percentage of silica in a good brick earth lies between |
| A. | 5 to 10 % |
| B. | 20 to 30 % |
| C. | 50 to 60 % |
| D. | 70 to 80 % |
| Answer» D. 70 to 80 % | |
| 33. |
The age of a tree can be known by examining |
| A. | Cambium layer |
| B. | Annular rings |
| C. | Medullary rays |
| D. | Heart wood |
| Answer» C. Medullary rays | |
| 34. |
Initial setting time of cement for asbestos cement products should be not less than |
| A. | 30 minutes |
| B. | 50 minutes |
| C. | 75 minutes |
| D. | 90 minutes |
| Answer» E. | |
| 35. |
Specific gravity for most of the building stones lies between |
| A. | 1.5 to 2.0 |
| B. | 2.0 to 2.5 |
| C. | 2.5 to 3.0 |
| D. | 3.0 to 3.5 |
| Answer» D. 3.0 to 3.5 | |
| 36. |
Good quality stones must |
| A. | Be durable |
| B. | Be free from clay |
| C. | Resist action of acids |
| D. | All the above |
| Answer» E. | |
| 37. |
A good building stone should not absorb water more than |
| A. | 5 % |
| B. | 10 % |
| C. | 15 % |
| D. | 20 % |
| Answer» B. 10 % | |
| 38. |
For the manufacture of Portland cement, the proportions of raw materials used, are |
| A. | Lime 63% ; silica 22% ; other ingredients 15% |
| B. | Lime 22% ; silica 63% ; other ingredients 15% |
| C. | Silica 40% ; lime 40% ; other ingredients 20% |
| D. | Silica 70% ; lime 20% ; other ingredients 10% |
| Answer» B. Lime 22% ; silica 63% ; other ingredients 15% | |
| 39. |
Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite The correct answer is |
| A. | Only (iii) |
| B. | Both (i) and (iii) |
| C. | Both (ii) and (iii) |
| D. | All (i), (ii) and (iii) |
| Answer» C. Both (ii) and (iii) | |
| 40. |
Sand stone is |
| A. | Sedimentary rock |
| B. | Metamorphic rock |
| C. | Igneous rock |
| D. | Volcanic rock |
| Answer» B. Metamorphic rock | |
| 41. |
The slenderness ratio for masonry walls should not be more than |
| A. | 10 |
| B. | 20 |
| C. | 30 |
| D. | 40 |
| Answer» C. 30 | |
| 42. |
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 of the above |
| Answer» E. | |
| 43. |
The vehicle used in case of enamel paints is usually |
| A. | ) Linseed oil |
| B. | Water |
| C. | Varnish |
| D. | None of the above |
| Answer» D. None of the above | |
| 44. |
In a mortar, the binding material is |
| A. | Cement |
| B. | Sand |
| C. | Surkhi |
| D. | Cinder |
| Answer» B. Sand | |
| 45. |
Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength The correct answer is |
| A. | (i) and (ii) |
| B. | (ii) and (iii) |
| C. | (iii) and (iv) |
| D. | (i) and (iv) |
| Answer» E. | |
| 46. |
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. | |
| 47. |
With increase in moisture content, the bulking of sand |
| A. | Increases |
| B. | Decreases |
| C. | First increases to a certain maximum value and then decreases |
| D. | First decreases to a certain minimum value and then increases |
| Answer» D. First decreases to a certain minimum value and then increases | |
| 48. |
Rapid hardening cement attains early strength due to |
| A. | Larger proportion of lime grounded finer than normal cement |
| B. | Lesser proportion of lime grounded coarser than normal cement |
| C. | Lesser proportion of lime grounded finer than normal cement |
| D. | Excess percentage of gypsum |
| Answer» B. Lesser proportion of lime grounded coarser than normal cement | |
| 49. |
The initial setting time for ordinary Portland cement as per IS specifications should not be less than |
| A. | 10 minutes |
| B. | 30 minutes |
| C. | 60 minutes |
| D. | 600 minutes |
| Answer» C. 60 minutes | |
| 50. |
Quick lime is |
| A. | Calcium carbonate |
| B. | Calcium oxide |
| C. | Calcium hydroxide |
| D. | None of the above |
| Answer» C. Calcium hydroxide | |