MCQOPTIONS
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MCQOPTIONS
This section includes 31 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 type of mortar should be used for damp proof courses and cement concrete roads? |
| A. | Lime mortar (1:2) |
| B. | Lime mortar (1:3) |
| C. | Cement mortar (1:2) |
| D. | Lime cinder mortar (1:4) |
| Answer» D. Lime cinder mortar (1:4) | |
| 2. |
Lime mortar should be consumed within ___________ after its preparation. |
| A. | 2 days |
| B. | 14 days |
| C. | 36 days |
| D. | 36 hours |
| Answer» E. | |
| 3. |
X-ray shielding mortar is a lightweight mortar having a bulk density of less than 1500 kg/m3. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
_________ is adopted to prepare small quantities of lime mortar. |
| A. | Grinding |
| B. | Grilling |
| C. | Pounding |
| D. | Digging |
| Answer» D. Digging | |
| 5. |
Which of the following is not a property of the packing mortar used to pack oil wells? |
| A. | It should be water-resistant |
| B. | It should have low homogeneity |
| C. | It should have resistance to subsoil water pressure |
| D. | It should be able to form solid waterproof plugs in voids of rocks |
| Answer» C. It should have resistance to subsoil water pressure | |
| 6. |
Fire-resistant mortar is obtained by the addition of ____________ to the powder of fire-bricks. |
| A. | Silica |
| B. | Sodium silicate |
| C. | Aluminous cement |
| D. | Caustic soda |
| Answer» D. Caustic soda | |
| 7. |
The process of adding cement in order to improve the quality of lime mortar is known as __________ |
| A. | Gauging |
| B. | Piling |
| C. | Slaking |
| D. | Reinforcing |
| Answer» B. Piling | |
| 8. |
Heavy mortars have a bulk density equal to greater than _________ |
| A. | 500 kg/m3 |
| B. | 1000 kg/m3 |
| C. | 1500 kg/m3 |
| D. | 2500 kg/m3 |
| Answer» D. 2500 kg/m3 | |
| 9. |
To detect the presence of organic impurities in sand, solution of ___________ is used. |
| A. | Silver chloride |
| B. | Sodium acetate |
| C. | Sodium hydroxide |
| D. | Calcium carbonate |
| Answer» D. Calcium carbonate | |
| 10. |
Which of the following is not a property of good sand? |
| A. | Good sand should be chemically inert |
| B. | It should be clean |
| C. | It should not contain any organic matter |
| D. | It must contain salts that can attract moisture from the atmosphere |
| Answer» E. | |
| 11. |
What is the colour of sea sand? |
| A. | Blue |
| B. | Light brown |
| C. | Black |
| D. | Red |
| Answer» C. Black | |
| 12. |
On the basis of the size of grains, the sand is classified into three categories – coarse, fine, and gravelly sand. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Increase in volume of the sand due to the presence of moisture is called ___________ of sand. |
| A. | Bulking |
| B. | Normalising |
| C. | Shrinkage |
| D. | Titrating |
| Answer» B. Normalising | |
| 14. |
What is the colour of river sand? |
| A. | Black |
| B. | Brown |
| C. | Grey |
| D. | White |
| Answer» E. | |
| 15. |
Which of the below mortar can settle under water? |
| A. | Hydrolytic |
| B. | Pozzolana |
| C. | Lime |
| D. | Flyash |
| Answer» C. Lime | |
| 16. |
The setting speed of mortar can be increased using: |
| A. | Lime |
| B. | Sulphur |
| C. | Pozzolana |
| D. | Gypsum |
| Answer» B. Sulphur | |
| 17. |
Which of the below is added to make mortar fire proof? |
| A. | Gypsum |
| B. | Asbestos cement |
| C. | Powdered glass |
| D. | Aluminous cement |
| Answer» E. | |
| 18. |
The bulk density of X-ray shielding mortar is: |
| A. | 6-12 kN/m3 |
| B. | 5 kN/m3 and above |
| C. | 22 kN/m3 and above |
| D. | 10-20 kN/m3 |
| Answer» D. 10-20 kN/m3 | |
| 19. |
Packing mortars are used to pack: |
| A. | Oil wells |
| B. | Retaining walls |
| C. | Bricks |
| D. | Cracks in masonry |
| Answer» B. Retaining walls | |
| 20. |
THE_BULK_DENSITY_OF_X-RAY_SHIELDING_MORTAR_IS:?$ |
| A. | 6-12 kN/m<sup>3</sup> |
| B. | 5 kN/m<sup>3</sup> and above |
| C. | 22 kN/m<sup>3</sup> and above |
| D. | 10-20 kN/m<sup>3</sup> |
| Answer» D. 10-20 kN/m<sup>3</sup> | |
| 21. |
The setting speed of mortar can be increased using:$ |
| A. | Lime |
| B. | Sulphur |
| C. | Pozzolana |
| D. | Gypsum |
| Answer» B. Sulphur | |
| 22. |
Which_of_the_below_is_added_to_make_mortar_fire_proof?$ |
| A. | Gypsum |
| B. | Asbestos cement |
| C. | Powdered glass |
| D. | Aluminous cement |
| Answer» E. | |
| 23. |
Which_of_the_below_mortar_can_settle_under_water? |
| A. | Hydrolytic |
| B. | Pozzolana |
| C. | Lime |
| D. | Flyash |
| Answer» C. Lime | |
| 24. |
Packing mortars are used to pack? |
| A. | Oil wells |
| B. | Retaining walls |
| C. | Bricks |
| D. | Cracks in masonry |
| Answer» B. Retaining walls | |
| 25. |
Light weight mortar is prepared by using: |
| A. | Lime |
| B. | Surkhi |
| C. | Wood chips |
| D. | Flyash |
| Answer» D. Flyash | |
| 26. |
The guidelines for preparation for mortar is given in: |
| A. | IS 4455 |
| B. | IS 2250-1981 |
| C. | IS 3350-1981 |
| D. | IS 5567 |
| Answer» C. IS 3350-1981 | |
| 27. |
For pointing works, the ratio of mortar used is: |
| A. | 1:3 – 1:4 |
| B. | 1:2 – 1:3 |
| C. | 1:7 – 1:8 |
| D. | 1:5 – 1:6 |
| Answer» C. 1:7 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 1:8 | |
| 28. |
MM 1.5 means: |
| A. | Masonry Mortar of cement content 1.5 bags |
| B. | Mild Mortar of cement content 1.5 bags |
| C. | Masonry Mortar of compressive strength 1.5N/mm<sup>2</sup>. |
| D. | Mild Mortar of compressive strength 1.5N/mm<sup>2</sup>. |
| Answer» D. Mild Mortar of compressive strength 1.5N/mm<sup>2</sup>. | |
| 29. |
Polymer Cement Mortar (PCM) is used primarily for: |
| A. | Repairing concrete structure |
| B. | Stone masonry |
| C. | Tile masonry |
| D. | Brick masonry |
| Answer» B. Stone masonry | |
| 30. |
The first used Mortar was: |
| A. | Lime mortar |
| B. | Mud mortar |
| C. | Cement mortar |
| D. | Organic mortar |
| Answer» C. Cement mortar | |
| 31. |
Mortar comes from the Latin word: |
| A. | Mortare |
| B. | Mortarum |
| C. | Mortaer |
| D. | Mortarium |
| Answer» E. | |