MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
The relative humidity of laboratory should be ___________ for standard consistency. |
| A. | 65 ± 5% |
| B. | 27 ± 2% |
| C. | 50 ± 5% |
| D. | 45 ± 10 |
| Answer» B. 27 ± 2% | |
| 2. |
What is the normal consistency for OPC? |
| A. | 26 to 33% |
| B. | 20 to 35% |
| C. | 26 to 50% |
| D. | 33 to 55% |
| Answer» B. 20 to 35% | |
| 3. |
Which of the following option is correct? |
| A. | Standard consistency (%) = (wt of water added/ wt of cement) *100 |
| B. | Standard consistency (%) = (wt of water added- wt of cement) *100 |
| C. | Standard consistency = (wt of water added/ wt of cement) *100 |
| D. | Standard consistency (%) = (wt cement/ wt of water) *100 |
| Answer» B. Standard consistency (%) = (wt of water added- wt of cement) *100 | |
| 4. |
How many moulds required for the compression strength test of cement? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 5. |
When the cement paste is tested within the gauging time. Here what is the value of gauging time? |
| A. | 3 to 5 minutes |
| B. | 3 to 5 hours |
| C. | 24 minutes |
| D. | 24 hours |
| Answer» B. 3 to 5 hours | |
| 6. |
Why do we need Standard Consistency Test? |
| A. | To determine the quality of cement |
| B. | To determine the quality of water |
| C. | To determine the quality of mixed concrete |
| D. | To determine the strength of concrete block |
| Answer» C. To determine the quality of mixed concrete | |
| 7. |
THE_RELATIVE_HUMIDITY_OF_LABORATORY_SHOULD_BE_____________FOR_STANDARD_CONSISTENCY.?$ |
| A. | 65 ± 5% |
| B. | 27 ± 2% |
| C. | 50 ± 5% |
| D. | 45 ± 10 |
| Answer» B. 27 ¬¨¬®¬¨¬± 2% | |
| 8. |
WHAT_IS_THE_NORMAL_CONSISTENCY_FOR_OPC??$ |
| A. | 26 to 33% |
| B. | 20 to 35% |
| C. | 26 to 50% |
| D. | 33 to 55% |
| Answer» B. 20 to 35% | |
| 9. |
For making cement paste, what is the amount of water we need? |
| A. | 25% water by weight of dry cement |
| B. | 30% water by weight of dry cement |
| C. | 78% water by weight of dry cement |
| D. | 80% water by weight of dry cement |
| Answer» B. 30% water by weight of dry cement | |
| 10. |
Calculate standard consistency(%) when 100 ml of water is added in 1000 g of cement. |
| A. | 10 |
| B. | 1000 |
| C. | 100 |
| D. | 1 |
| Answer» B. 1000 | |
| 11. |
Standard consistency of cement is tested by ___________ |
| A. | Vicat apparatus |
| B. | Le Chatalier apparatus |
| C. | Soundness meter |
| D. | Duff Abrams apparatus |
| Answer» B. Le Chatalier apparatus | |
| 12. |
How many moulds required for compression strength test of cement? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 13. |
What is standard consistency? |
| A. | Consistency which permits the Vicat’s plunger |
| B. | Ability of cement to maintain a constant volume |
| C. | Durability in sea water |
| D. | Free lime content |
| Answer» B. Ability of cement to maintain a constant volume | |
| 14. |
Why do we need Standard Consistency Test? |
| A. | To determine the quality of cement |
| B. | To determine the quality of water |
| C. | To determine the quality of mixed concrete |
| D. | To determine the strength of concrete block |
| Answer» C. To determine the quality of mixed concrete | |