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_JOINING_EFFICIENCY_AND_THE_ENERGY_SPENT_DURING_THE_WELDING_PROCESS_ARE_DIRECTLY_PROPORTIONAL.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Resistance_welding_has_the_smallest_heat_affected_zone_as_compared_to_all_welding_processes.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The heat source intensity for laser beam welding lies in the range ____? |
| A. | 10<sup>5</sup>-10<sup>7</sup> |
| B. | 10<sup>5</sup>-10<sup>8</sup> |
| C. | 10<sup>10</sup>-10<sup>12</sup> |
| D. | 10<sup>12</sup>-10<sup>14</sup> |
| Answer» D. 10<sup>12</sup>-10<sup>14</sup> | |
| 4. |
Laser welding efficiency can be calculated by formula _____ |
| A. | Velocity*thickness/power |
| B. | Velocity*power/thickness |
| C. | Power*thickness/velocity |
| D. | Velocity*thickness*power |
| Answer» B. Velocity*power/thickness | |
| 5. |
Penetration welding is characterised by _____ |
| A. | tapered trail |
| B. | irregularities in the weld |
| C. | parallel sided fusion zone |
| D. | planner welds |
| Answer» D. planner welds | |
| 6. |
In which of the following processes, the laser beam is used to melt a filler addition? |
| A. | Laser drilling |
| B. | Laser cutting |
| C. | Laser welding |
| D. | Laser soldering |
| Answer» E. | |
| 7. |
Butt welds can be made using transmission mode of conduction welding by _____ |
| A. | melting the outer surfaced of the joint |
| B. | directing the energy towards the joint |
| C. | applying ink to the joining surface before welding |
| D. | using filler material |
| Answer» C. applying ink to the joining surface before welding | |
| 8. |
In transmission welding mode, absorbing ink is placed at the interface of a lap joint for _____ |
| A. | absorbing the laser beam energy |
| B. | cooling the work metal |
| C. | protecting the weld puddle |
| D. | reducing the process time |
| Answer» B. cooling the work metal | |
| 9. |
Transmission welding mode is used for materials that______ |
| A. | transmits near infrared radiation |
| B. | have high heat capacities |
| C. | have lower melting points |
| D. | absorbs infrared radiations |
| Answer» B. have high heat capacities | |
| 10. |
Which of the following material properties should match before joining to components by a transmission welding method. |
| A. | Electrical properties |
| B. | Thermal properties |
| C. | Weldability |
| D. | Tensile strength |
| Answer» C. Weldability | |