MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Building Construction 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/m<sup>3</sup> |
| B. | 1000 kg/m<sup>3</sup> |
| C. | 1500 kg/m<sup>3</sup> |
| D. | 2500 kg/m<sup>3</sup> |
| Answer» D. 2500 kg/m<sup>3</sup> | |
| 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. | |