MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The process of de-slagging is mainly carried out to remove the slag impurities from the furnace. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Energy losses are minimum and optimized in the electric arc furnaces during melting metals. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
In electric arc furnaces, the metal loss is very less due to electrical heating. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
ENERGY_LOSSES_ARE_MINIMUM_AND_OPTIMIZED_IN_THE_ELECTRIC_ARC_FURNACES_DURING_MELTING_METALS.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The_process_of_de-slagging_is_mainly_carried_out_to_remove_the_slag_impurities_from_the_furnace.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
In electric arc furnaces, the metal loss is very less due to electrical heating? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of the following is the primary benefit of using the electric furnaces for melting the metals? |
| A. | High productivity |
| B. | Better quality of materials |
| C. | High strength of metals |
| D. | Less maintenance |
| Answer» B. Better quality of materials | |
| 8. |
Slag formation does not take place in the molten metal by using the electric arc furnaces. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Which of the following processes is known for pouring of molten metal by tilting the furnace? |
| A. | Necking |
| B. | Drawing |
| C. | Tapping |
| D. | Finning |
| Answer» D. Finning | |
| 10. |
In electric arc furnaces, the handling and maintaining of electrodes are done by manual means. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Thread couplings are widely used for the addition of new segments of electrodes in the electric furnaces. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
An air-cooled roof is used in the electric arc furnaces for making the steel metal. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
Which of the following is the maximum temperature limit of the electric arc furnaces? |
| A. | 1200 ‚Äö√Ö‚àûC |
| B. | 1400 ‚Äö√Ö‚àûC |
| C. | 1600 ‚Äö√Ö‚àûC |
| D. | 1800 ‚Äö√Ö‚àûC |
| Answer» E. | |