MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The electrode wires are usually made form _____ |
| A. | graphite |
| B. | iron |
| C. | nickel |
| D. | brass |
| Answer» E. | |
| 2. |
Wires used in wire cut EDM are usually disposed after one usage. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following material properties sets restrictions to use wire cut EDM? |
| A. | Material type |
| B. | Melting point |
| C. | Material hardness |
| D. | Electrical conductivity |
| Answer» E. | |
| 4. |
Which of the following component of the wire cut EDM machine does not get heated? |
| A. | Workpiece |
| B. | Electrode wire |
| C. | Di-electric fluid |
| D. | Coils |
| Answer» C. Di-electric fluid | |
| 5. |
The wire ED machines have _____ programmable axes. |
| A. | 2 |
| B. | 2-5 |
| C. | 6 |
| D. | 3-9 |
| Answer» C. 6 | |
| 6. |
The absolute minimum inner corner radius is _____ |
| A. | the wire radius minus the sparking gap width |
| B. | the sparking gap width minus the wire radius |
| C. | the wire radius plus the sparking gap width |
| D. | double of the wire radius |
| Answer» D. double of the wire radius | |
| 7. |
Sparking gap is the distance between _____ |
| A. | the workpiece and the CNC table |
| B. | the workpiece and the electrode wire |
| C. | the electrode wire and the di-electric fluid |
| D. | the workpiece and the spark plug |
| Answer» C. the electrode wire and the di-electric fluid | |
| 8. |
During wire cut EDM, the size of the cavity produced by the wire while machining depends upon _____ |
| A. | material of the workpiece |
| B. | di-electric fluid used |
| C. | wire material |
| D. | electric current |
| Answer» E. | |
| 9. |
The only difference between die-sink EDM and wire cut EDM is the _____ |
| A. | way of material removal |
| B. | electrode used for the machining |
| C. | type of materials machined |
| D. | processing time |
| Answer» C. type of materials machined | |
| 10. |
Wire electric discharge (ED) machining is based on the same principle as that of _____ |
| A. | hydro-dynamic EDM |
| B. | die-sink EDM |
| C. | polar EDM |
| D. | non-conventional EDM |
| Answer» C. polar EDM | |