MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
The magnetic properties of steel are greatly affected if the percentage content of manganese exceeds about ___________ |
| A. | 0.1 |
| B. | 0.2 |
| C. | 0.25 |
| D. | 0.3 |
| Answer» E. | |
| 2. |
It is known as dead steel when the percentage of carbon content is less than __________ |
| A. | 0.10 |
| B. | 0.20 |
| C. | 0.25 |
| D. | 0.30 |
| Answer» B. 0.20 | |
| 3. |
What kind of steel is obtained from L.D. process? |
| A. | Highly pure low carbon steel |
| B. | Impure low carbon steel |
| C. | Highly pure high carbon steel |
| D. | Impure low carbon steel |
| Answer» B. Impure low carbon steel | |
| 4. |
The electric furnace used in the electric process to manufacture steel is lined with _________ material. |
| A. | Basic refractory |
| B. | Basic non-refractory |
| C. | Acidic refractory |
| D. | Acidic non-refractory |
| Answer» B. Basic non-refractory | |
| 5. |
Duplex process, used to manufacture steel, is a combination of which of the following two processes? |
| A. | Basic Bessemer process and basic open-hearth process |
| B. | Acid Bessemer process and acid open-hearth process |
| C. | Acid Bessemer process and basic open-hearth process |
| D. | Basic Bessemer process and acid open-hearth process |
| Answer» D. Basic Bessemer process and acid open-hearth process | |
| 6. |
Steel produced by crucible steel process is known as __________ |
| A. | Blister steel |
| B. | Stained steel |
| C. | Pig steel |
| D. | Cast steel |
| Answer» E. | |
| 7. |
The correct order of oxidation of different impurities of pig-iron in the Bessemer process is __________ |
| A. | Silicon, carbon, manganese, sulphur, phosphorus |
| B. | Silicon, phosphorus, sulphur, manganese, carbon |
| C. | Carbon, phosphorus, sulphur, manganese, silicon |
| D. | Carbon, phosphorus, silicon, manganese, sulphur |
| Answer» B. Silicon, phosphorus, sulphur, manganese, carbon | |
| 8. |
Steel can only take up compressive stresses while cast iron is equally strong in compression and tension. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Which of the following processes is also known as the Siemens-Martin process? |
| A. | Open-hearth process |
| B. | L.D. process |
| C. | Electric process |
| D. | Duplex process |
| Answer» B. L.D. process | |
| 10. |
Percentage of carbon content in steel varies from _________ |
| A. | 0.25-1.50 |
| B. | 2.00-4.00 |
| C. | 3.00-4.50 |
| D. | 2.50-3.50 |
| Answer» B. 2.00-4.00 | |