MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Electrically conductive materials are cut by WEDM process by _____ mechanism. |
| A. | thermal |
| B. | electro-thermal |
| C. | electro-dynamic |
| D. | fused metal |
| Answer» C. electro-dynamic | |
| 2. |
During the WEDM process, workpiece undergoes a number of thermal cycles. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The WEDM process requires _____ |
| A. | lower initial investment |
| B. | lesser cutting forces |
| C. | a skilled operator |
| D. | a coolant pump |
| Answer» C. a skilled operator | |
| 4. |
In the wire-cut EDM process, water is also used for _____ |
| A. | cooling |
| B. | increasing the feed rate |
| C. | flushing away the burr |
| D. | controlling the cutting speed |
| Answer» D. controlling the cutting speed | |
| 5. |
In the wire-cut EDM process, de-ionizing units are used for controlling the _____ |
| A. | feed rate |
| B. | resistivity |
| C. | burr formation |
| D. | temperature of the wire |
| Answer» C. burr formation | |
| 6. |
The upper guide can move independently about_____ |
| A. | x-axis |
| B. | y-axis |
| C. | x-y-w axes |
| D. | z-u-v axes |
| Answer» E. | |
| 7. |
In WEDM, the wire is held tight between_____ |
| A. | upper and lower nozzles |
| B. | upper and lower diamond guides |
| C. | upper and lower groves in the handle |
| D. | upper and lower pulleys |
| Answer» C. upper and lower groves in the handle | |
| 8. |
Wire-cut EDM can cut plates of thickness upto _____ |
| A. | 50mm |
| B. | 100mm |
| C. | 300mm |
| D. | 500mm |
| Answer» D. 500mm | |
| 9. |
A thin metallic wire used in wire-cut EDM is kept submerged in a tank of _____ |
| A. | dielectric fluid |
| B. | pure water |
| C. | molten metal |
| D. | kerosene |
| Answer» B. pure water | |