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. |
Transmission welding is used for joining _____ |
| A. | aluminium alloys |
| B. | cast iron to wrought iron |
| C. | polymers |
| D. | components made of copper |
| Answer» D. components made of copper | |
| 2. |
Conduction welds can be made in a wide range of metals and alloys in the form of wires and thin sheets. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
In direct heat conduction welding, heat flow is controlled by a conventional thermal conduction method. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The first conduction welds were made using _____ lasers. |
| A. | Nd-YAG |
| B. | ruby |
| C. | polymer lasers |
| D. | semiconductor lasers |
| Answer» C. polymer lasers | |
| 5. |
Conduction welding has _____ modes. |
| A. | single |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 6. |
In conduction welding, the laser beam is focused to a power density of order of _____ W/mm2. |
| A. | 10<sup>1</sup> |
| B. | 10<sup>2</sup> |
| C. | 10<sup>3</sup> |
| D. | 10<sup>4</sup> |
| Answer» E. | |
| 7. |
In penetration mode, a filament of vaporized material formed by laser light known as a _____ |
| A. | keyslot |
| B. | keyhole |
| C. | groove |
| D. | burr |
| Answer» C. groove | |
| 8. |
The penetration or keyhole mode welding is characterized by ______ |
| A. | shallow welds |
| B. | narrow welds |
| C. | irregular welds |
| D. | nuggets of welds |
| Answer» C. irregular welds | |
| 9. |
Conduction mode welding is performed at _____ energy density. |
| A. | high |
| B. | medium |
| C. | low |
| D. | any |
| Answer» D. any | |
| 10. |
How many types of welding modes are there in laser beam welding? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |