MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 13 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. |
Total sulphur content in the cement should not be more than _________ |
| A. | 1.75% |
| B. | 2.75% |
| C. | 5.25% |
| D. | 7.25% |
| Answer» C. 5.25% | |
| 2. |
The ratio of the percentage of alumina to that of oxide of iron in the cement should not be less than ________ |
| A. | 0.24 |
| B. | 0.39 |
| C. | 0.66 |
| D. | 0.79 |
| Answer» D. 0.79 | |
| 3. |
In the wet process in the manufacturing of portland cement, argillaceous material is thoroughly mixed with water in _________ |
| A. | Wash mill |
| B. | Ball mill |
| C. | Reverberatory furnace |
| D. | Blast furnace |
| Answer» B. Ball mill | |
| 4. |
High-alit contains tricalcium silicate more than ________ |
| A. | 10% |
| B. | 13% |
| C. | 30% |
| D. | 60% |
| Answer» E. | |
| 5. |
The percentage of dicalcium silicate in belit is more than ________ |
| A. | 10% |
| B. | 15% |
| C. | 30% |
| D. | 35% |
| Answer» E. | |
| 6. |
Which of the following is the quickest to react with water when the water is added to the cement? |
| A. | Tetra-calcium alumino-ferrite |
| B. | Tricalcium silicate |
| C. | Dicalcium silicate |
| D. | Tricalcium aluminate |
| Answer» E. | |
| 7. |
During the setting action of the cement, tricalcium aluminate is formed within ________ after adding water to the cement. |
| A. | 6 hours |
| B. | 24 hours |
| C. | 4 days |
| D. | 1 week |
| Answer» C. 4 days | |
| 8. |
Which of the following compounds is not formed during the setting action of the cement? |
| A. | Tricalcium aluminate |
| B. | Tricalcium silicate |
| C. | Dicalcium silicate |
| D. | Dimagnesium carbonate |
| Answer» E. | |
| 9. |
It results in the failure of concrete made from the cement if the amount of alkali oxides in it exceeds _________ |
| A. | 1% |
| B. | 5% |
| C. | 12% |
| D. | 17% |
| Answer» B. 5% | |
| 10. |
Calcium sulphate is present in ordinary cement in the form of __________ |
| A. | Lime |
| B. | Alumina |
| C. | Gypsum |
| D. | Magnesia |
| Answer» D. Magnesia | |
| 11. |
Clay predominates in calcareous materials while calcium carbonate predominates in argillaceous materials. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Portland cement was invented by ___________ |
| A. | John Raymond |
| B. | Joseph Aspdin |
| C. | Charles Frank |
| D. | James Watson |
| Answer» C. Charles Frank | |
| 13. |
The colour of natural cement is __________ |
| A. | Brown |
| B. | Black |
| C. | White |
| D. | Yellow |
| Answer» B. Black | |