MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Construction Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
IT_IS_FOUND_THAT_THE__________DOES_NOT_LEAD_TO_THE_CORROSION_OF_REINFORCEMENT,_PROVIDED_THAT_THE_CONCRETE_IS_DENSE_AND_THERE_IS_ENOUGH_COVER_TO_THE_ENFORCEMENT.?$ |
| A. | Ground water |
| B. | Lake water |
| C. | Sea water |
| D. | Stream Water |
| Answer» D. Stream Water | |
| 2. |
All _______ tend to accelerate the setting of cement and to improve the strength of concrete in early stages.$ |
| A. | Chlorides |
| B. | Sulphates |
| C. | Sodium |
| D. | Potassium |
| Answer» B. Sulphates | |
| 3. |
Most important affect of corrosion is the formation of _______? |
| A. | Swelling |
| B. | Cracks |
| C. | Bubbles |
| D. | Gas |
| Answer» C. Bubbles | |
| 4. |
The ______ is most liable to corrosion. |
| A. | Gold |
| B. | Copper |
| C. | Steel |
| D. | Wood |
| Answer» D. Wood | |
| 5. |
The _________ is the simplest corrosion produced by means of chemical attack. |
| A. | Direct corrosion |
| B. | Indirect corrosion |
| C. | Electro osmosis process |
| D. | Electro Chemical action |
| Answer» B. Indirect corrosion | |
| 6. |
Cement concrete has tendency to be _________ |
| A. | Flexible |
| B. | Elastic |
| C. | Porous |
| D. | Shine |
| Answer» D. Shine | |
| 7. |
There is initial ________ of cement concrete which is mainly due to loss of water through forms, absorption by surfaces of forms, etc. |
| A. | Swelling |
| B. | Cracking |
| C. | Dispersion |
| D. | Shrinkage |
| Answer» E. | |
| 8. |
Cement concrete is prove to be more economical than ______ |
| A. | Aluminium |
| B. | Steel |
| C. | Copper |
| D. | Silica |
| Answer» C. Copper | |
| 9. |
The __________ is a mixture of cement, sand, pebbles or crushed rock and water, which, when placed in the skeleton of forms and are allowed to cure, becomes hard like a stone. |
| A. | Cement concrete |
| B. | Cement slurry |
| C. | Cement grouting |
| D. | Cement mortar |
| Answer» B. Cement slurry | |