MCQOPTIONS
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MCQOPTIONS
This section includes 12 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 of the following is not true about pozzuolana cement? |
| A. | Pozzuolana cement can resist the action of sulphates |
| B. | Less heat is evolved during its setting |
| C. | Pozzuolana cement possesses a very low tensile strength |
| D. | It imparts plasticity to the mortar prepared from it |
| Answer» D. It imparts plasticity to the mortar prepared from it | |
| 2. |
Which of the following is not a hydrophobic admixture? |
| A. | Lime silicate |
| B. | Acidol |
| C. | Naphthenesoap |
| D. | Oxidised petrolatum |
| Answer» B. Acidol | |
| 3. |
The final setting time of high alumina cement is about _______ |
| A. | 30 mins |
| B. | 2 hours |
| C. | 5 hours |
| D. | 24 hours |
| Answer» D. 24 hours | |
| 4. |
The total alumina content in high alumina cement should not be less than _______ |
| A. | 24% |
| B. | 32% |
| C. | 50% |
| D. | 75% |
| Answer» C. 50% | |
| 5. |
In England, high alumina cement is known by the trade name of ___________ |
| A. | Lumnite |
| B. | Lumnite Fondu |
| C. | Limonite |
| D. | Cement Fondu |
| Answer» E. | |
| 6. |
The presence of cobalt in cement imparts _________ colour. |
| A. | Yellow |
| B. | Blue |
| C. | Black |
| D. | White |
| Answer» C. Black | |
| 7. |
Expanding cement is obtained by the addition of an expanding medium like _________ to the ordinary cement. |
| A. | Sodium silicate |
| B. | Potassium silicate |
| C. | Sodium aluminate |
| D. | Sulpho-aluminate |
| Answer» E. | |
| 8. |
The presence of chromium oxide in cement imparts _________ colour. |
| A. | Green |
| B. | Orange |
| C. | Blue |
| D. | Red |
| Answer» B. Orange | |
| 9. |
The resistance to water of acid-resistant cement is increased by adding __________ of linseed oil. |
| A. | 0.50% |
| B. | 0.15% |
| C. | 2.50% |
| D. | 2.75% |
| Answer» B. 0.15% | |
| 10. |
Sodium fluosilicate added in the acid-resistant cement decreases the resistance of cement to water and acid and also retards the hardening process of soluble glass. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
___________ is the binding material of acid-resistant cement. |
| A. | Lime |
| B. | Soluble glass |
| C. | Soda ash |
| D. | Caustic soda |
| Answer» C. Soda ash | |
| 12. |
The specific surface of cement should not be lesser than __________ |
| A. | 550 cm<sup>2</sup>/gm |
| B. | 1250 cm<sup>2</sup>/gm |
| C. | 2250 cm<sup>2</sup>/gm |
| D. | 5250 cm<sup>2</sup>/gm |
| Answer» D. 5250 cm<sup>2</sup>/gm | |