McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
Chapters
| 1. |
Stones are obtained from rocks that are made up of: |
| A. | Ores |
| B. | Minerals |
| C. | Chemical compounds |
| D. | Crystals |
| Answer» B. Minerals | |
| 2. |
Which one of the following is not a classification of stones? |
| A. | Physical Classification |
| B. | Mineralogical Classification |
| C. | Chemical Classification |
| D. | Practical Classification |
| Answer» B. Mineralogical Classification | |
| 3. |
The hot molten material occurring naturally below the surface of the Earth is called: |
| A. | Lava |
| B. | Slag |
| C. | Magma |
| D. | Tuff |
| Answer» C. Magma | |
| 4. |
At what depth and rate is a hypabyssal rock formed? |
| A. | Slow cooling of magma at considerable depth |
| B. | Quick cooling of magma at a shallow depth |
| C. | Rapid cooling of magma at Earth’s surface |
| D. | Rapid cooling of magma at a shallow depth |
| Answer» B. Quick cooling of magma at a shallow depth | |
| 5. |
What is a sedimentary deposit? |
| A. | Weathered product remains at site |
| B. | Weathered product carried away in solution |
| C. | Weathered product gets carried away agents |
| D. | Insoluble weathered product is carried away in suspension |
| Answer» D. Insoluble weathered product is carried away in suspension | |
| 6. |
Which of the following is not a metamorphic change? |
| A. | Calcite to schist |
| B. | Limestone to marble |
| C. | Shale to slate |
| D. | Granite to gneisses |
| Answer» A. Calcite to schist | |
| 7. |
Which of the following rocks are hard and durable? |
| A. | Argillaceous rocks |
| B. | Siliceous rocks |
| C. | Calcareous rocks |
| D. | Carbonaceous rocks |
| Answer» B. Siliceous rocks | |
| 8. |
Foliated structure is very common in case of: |
| A. | Sedimentary rocks |
| B. | Plutonic rocks |
| C. | Igneous rocks |
| D. | Metamorphic rocks |
| Answer» D. Metamorphic rocks | |
| 9. |
Granite is a type of: |
| A. | Plutonic rock |
| B. | Metamorphic rock |
| C. | Hypabyssal rock |
| D. | Volcanic rock |
| Answer» A. Plutonic rock | |
| 10. |
Which of the following is a good fire-resistant stone? |
| A. | Clay |
| B. | Granite |
| C. | Quartz |
| D. | Limestone |
| Answer» A. Clay | |
| 11. |
What is sand composed of? |
| A. | Silica |
| B. | Silicon |
| C. | Silicon oxide |
| D. | Quartz |
| Answer» A. Silica | |
| 12. |
Which of the following sand type is excellent for use in mortar and concrete work? |
| A. | Sea sand |
| B. | Clayey sand |
| C. | Pit sand |
| D. | River sand |
| Answer» C. Pit sand | |
| 13. |
Which IS code gives the grading of sand? |
| A. | IS 456 |
| B. | IS 383 |
| C. | IS 2368 |
| D. | IS 1542 |
| Answer» B. IS 383 | |
| 14. |
What type of grains constitutes river sand? |
| A. | Angular |
| B. | Flaky |
| C. | Irregular |
| D. | Rounded |
| Answer» D. Rounded | |
| 15. |
How many classifications are there for sand based on the grain size distribution? |
| A. | 3 |
| B. | 2 |
| C. | 5 |
| D. | 4 |
| Answer» A. 3 | |
| 16. |
Fine sand is generally used for which of the following works? |
| A. | Masonry |
| B. | Concrete structures |
| C. | Plastering |
| D. | Grinding and polishing |
| Answer» C. Plastering | |
| 17. |
How is M-sand produced? |
| A. | Crushing bricks |
| B. | Quarrying |
| C. | Reusing the debris of demolished building |
| D. | Crushing granite stones |
| Answer» D. Crushing granite stones | |
| 18. |
By which of the following ways is lime obtained? |
| A. | Naturally |
| B. | Quarrying |
| C. | Burning limestone |
| D. | Crushing limestone |
| Answer» C. Burning limestone | |
| 19. |
Which of the following pairs is matched properly? |
| A. | Class A – Concrete work |
| B. | Class B – Mortar |
| C. | Class C – Masonry work |
| D. | Class D – White washing |
| Answer» B. Class B – Mortar | |
| 20. |
Which of the following is a property of Fat Lime? |
| A. | Shakes very slowly |
| B. | Contains clay |
| C. | High degree of plasticity |
| D. | Poor binding property |
| Answer» C. High degree of plasticity | |
| 21. |
Lime obtained from calcination of Pure Limestone is called: |
| A. | Quick Lime |
| B. | Pure Lime |
| C. | Lean Lime |
| D. | Rich Lime |
| Answer» A. Quick Lime | |
| 22. |
Which of the following slakes after few minutes? |
| A. | Moderately Hydraulic Lime |
| B. | Eminently Hydraulic Lime |
| C. | Perfectly Hydraulic Lime |
| D. | Feebly Hydraulic Lime |
| Answer» D. Feebly Hydraulic Lime | |
| 23. |
Which of the following types of Lime does not exist? |
| A. | Dolomitic Lime |
| B. | Roman Lime |
| C. | Semi-Hydraulic Lime |
| D. | Selentic Lime |
| Answer» B. Roman Lime | |
| 24. |
Why is natural cement used very limitedly? |
| A. | Brown in Colour |
| B. | Standard consistency is not met with |
| C. | Sets too quickly |
| D. | Particle size is too fine |
| Answer» C. Sets too quickly | |
| 25. |
Who invented Portland cement and in which year? |
| A. | William Aspdin, 1824 |
| B. | William Aspdin, 1840s |
| C. | Joseph Aspdin, 1840s |
| D. | Joseph Aspdin, 1824 |
| Answer» B. William Aspdin, 1840s | |
| 26. |
What is the average particle size of cement? |
| A. | 15 microns |
| B. | 45 microns |
| C. | 75 microns |
| D. | 100 microns |
| Answer» A. 15 microns | |
| 27. |
What is the meaning of soundness of cement? |
| A. | Ability to flow when mixed |
| B. | Ability to make ringing noise when struck |
| C. | Ability to form strong and sound structure |
| D. | Ability to retain volume after setting. |
| Answer» D. Ability to retain volume after setting. | |
| 28. |
Time elapsed from the instance of adding water until paste ceases to behave as fluid is called: |
| A. | Initial setting time |
| B. | Final setting time |
| C. | Intermediate setting time |
| D. | Absolute setting time |
| Answer» A. Initial setting time | |
| 29. |
Which of the below mentioned is not a result of field test performed on cement? |
| A. | There should not be any lumps |
| B. | It should feel cold when you put your hand in bag of cement |
| C. | The colour should be blackish grey |
| D. | It should not be gritty when rubbed with finger |
| Answer» C. The colour should be blackish grey | |
| 30. |
Which equipment is used to test the setting time of cement? |
| A. | Core cutter |
| B. | Vibrator |
| C. | Universal testing machine (UTM) |
| D. | Vicat apparatus |
| Answer» D. Vicat apparatus | |
| 31. |
What is the initial setting time of cement? |
| A. | 1 hour |
| B. | 30 minutes |
| C. | 15 minutes |
| D. | 30 hours |
| Answer» B. 30 minutes | |
| 32. |
Use of coarser cement particles leads to: |
| A. | Low durability |
| B. | Higher strength |
| C. | Low consistency |
| D. | Higher soundness |
| Answer» A. Low durability | |
| 33. |
Green cement is: |
| A. | Green coloured cement |
| B. | Cement mixed with plant products |
| C. | Cement mixed with recycled materials |
| D. | Cement mixed with green algae |
| Answer» C. Cement mixed with recycled materials | |
| 34. |
What is the depth the needle in Vicat apparatus should penetrate into the cement paste in consistency test? |
| A. | 33-35 cm from bottom of the mould |
| B. | 33-35 mm from top of the mould |
| C. | 33-35 cm from top of the mould |
| D. | 33-35 mm from bottom of the mould |
| Answer» B. 33-35 mm from top of the mould | |
| 35. |
What is the most dominant constituent of cement? |
| A. | Silica |
| B. | Lime |
| C. | Magnesia |
| D. | Alumina |
| Answer» B. Lime | |
| 36. |
Deficiency of lime in cement leads to: |
| A. | Unsound cement |
| B. | Disintegration of cement |
| C. | Quick setting of cement |
| D. | Exp |
| Answer» C. Quick setting of cement | |
| 37. |
What effect does calcium sulphate have on cement? |
| A. | Retards setting action |
| B. | Acts as flux |
| C. | Imparts colour |
| D. | Reduces strength |
| Answer» A. Retards setting action | |
| 38. |
Which of the following adds a quick-setting property to cement? |
| A. | Magnesium oxide |
| B. | Silicon dioxide |
| C. | Iron oxide |
| D. | Aluminium oxide |
| Answer» D. Aluminium oxide | |
| 39. |
Which of the following imparts greenish grey colour to cement? |
| A. | Calcium silicate |
| B. | Calcium aluminate |
| C. | Calcium aluminate ferrite |
| D. | Calcium carbonate |
| Answer» C. Calcium aluminate ferrite | |
| 40. |
Excess of Alkali in cement results in: |
| A. | Dry cement paste |
| B. | Efflorescence |
| C. | Less plasticity |
| D. | Unsound cement |
| Answer» B. Efflorescence | |
| 41. |
What function does iron oxide perform in cement? |
| A. | Increases strength |
| B. | Makes cement sound |
| C. | Increases setting time |
| D. | Acts as flux |
| Answer» D. Acts as flux | |
| 42. |
What is the abbreviation of PPC? |
| A. | Perfect Portland Cement |
| B. | Portland Produced Cement |
| C. | Portland Pozzolana Cement |
| D. | Productive Portland Cement |
| Answer» C. Portland Pozzolana Cement | |
| 43. |
Which of the following is not an advantage of rapid hardening cement? |
| A. | Faster construction |
| B. | Short curing period |
| C. | Light in weight |
| D. | Higher final setting time |
| Answer» D. Higher final setting time | |
| 44. |
How many types of cement are there based on the ability to set in presence of water? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» A. 2 | |
| 45. |
What property does air-entraining cement provide? |
| A. | Workability |
| B. | Soundness |
| C. | Fineness |
| D. | Strength |
| Answer» A. Workability | |
| 46. |
How many constituents are there in the brick earth? |
| A. | 5 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» A. 5 | |
| 47. |
Which one of the below is the most important ingredient in the brick earth? |
| A. | Alumina |
| B. | Lime |
| C. | Silica |
| D. | Magnesia |
| Answer» C. Silica | |
| 48. |
In what form should lime be present in the brick earth? |
| A. | Paste |
| B. | Lump |
| C. | Clinker |
| D. | Powder |
| Answer» D. Powder | |
| 49. |
Excess of oxides of iron makes the brick: |
| A. | Red in colour |
| B. | Black in colour |
| C. | Dark blue in colour |
| D. | Yellow in colour |
| Answer» C. Dark blue in colour | |
| 50. |
What happens to raw bricks if an excess of alumina is present? |
| A. | Becomes hard |
| B. | Becomes brittle |
| C. | Decay |
| D. | Shrinkage |
| Answer» D. Shrinkage | |
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