MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Foundry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The induction furnace is replacing cupolas in the foundries. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Coreless Induction Furnace operates on ___________ |
| A. | Transformer |
| B. | Induction motor |
| C. | Generator |
| D. | Motor |
| Answer» B. Induction motor | |
| 3. |
The induction furnace can be used to melt as well as re-melting of the metal. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following furnaces is the best to melt scrap? |
| A. | Cupola |
| B. | Electric arc |
| C. | Induction |
| D. | Blast |
| Answer» D. Blast | |
| 5. |
The crucible inside the furnace is cooled by __________ |
| A. | Coolant |
| B. | Air |
| C. | Water |
| D. | Gas |
| Answer» D. Gas | |
| 6. |
Induction furnace usage has the highest refining capacity. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Induction heating in Induction furnace relies on ______________ frequency. |
| A. | Radio |
| B. | X-Rays |
| C. | Infrared |
| D. | Ultrasonic |
| Answer» B. X-Rays | |
| 8. |
Joule heating is called as resistive heating. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
The currents induced in the electromagnetic induction principle for induction furnace is called _____ |
| A. | Direct current |
| B. | Indirect current |
| C. | Eddy currents |
| D. | Electric current |
| Answer» D. Electric current | |
| 10. |
Induction _______ is the principle of Induction furnace |
| A. | Current |
| B. | Heating |
| C. | Resistance |
| D. | Melting |
| Answer» C. Resistance | |