MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Concrete Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Entrapped air normally exists in the form of relatively __________ air voids. |
| A. | Small |
| B. | Absent |
| C. | Large |
| D. | Medium |
| Answer» D. Medium | |
| 2. |
Water repelling materials like soda, potash soaps, etc make the concrete pervious. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which one is not a chemically inactive pore filling material? |
| A. | Aluminium |
| B. | Chalk |
| C. | Talc |
| D. | Fullers earth |
| Answer» B. Chalk | |
| 4. |
Water proofing admixtures are available in powder, paste or liquid and gaesous form. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
THE_ADDITION_OF_THE_ADMIXTURE_TO_THE_MIX____________THE_SURFACE_TENSION.?$ |
| A. | Lowers |
| B. | Higher |
| C. | Don’t affect |
| D. | No change |
| Answer» B. Higher | |
| 6. |
Entrapped_air_normally_exists_in_the_form_of_relatively____________air_voids.$ |
| A. | Small |
| B. | Absent |
| C. | Large |
| D. | Medium |
| Answer» D. Medium | |
| 7. |
“Water repelling materials like soda, potash soaps, etc make the concrete pervious”. Is this statement true or false?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Chemically inactive pore fillers __________ the workability. |
| A. | Decrease |
| B. | Increase |
| C. | Don’t affect |
| D. | Improve |
| Answer» E. | |
| 9. |
Chemically active pore fillers __________ the setting of concrete. |
| A. | Retards |
| B. | Decrease |
| C. | Accelerates |
| D. | No change |
| Answer» D. No change | |
| 10. |
Which one is not a chemically active pore filling material? |
| A. | Silicate of soda |
| B. | Aluminium |
| C. | Chalk |
| D. | Zinc |
| Answer» D. Zinc | |
| 11. |
“Water proofing admixtures are available in powder, paste or liquid and gaesous form”. Is this statement true or false?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
What is water proofing admixtures? |
| A. | Water repellent materials |
| B. | Water fair material |
| C. | Water absorption material |
| D. | Water adsorption material |
| Answer» B. Water fair material | |