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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. |
Resistance welding has the smallest heat affected zone as compared to all welding processes. |
A. | True |
B. | False |
Answer» C. | |
2. |
The joining efficiency and the energy spent during the welding process are directly proportional. |
A. | True |
B. | False |
Answer» B. False | |
3. |
The heat source intensity for laser beam welding lies in the range _____ |
A. | 105-107 |
B. | 105-108 |
C. | 1010-1012 |
D. | 1012-1014 |
Answer» D. 1012-1014 | |
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 | |