Manufacturing Processes II Practice Test 9

1. In hot working, plastic deformation operations are often carried out at temperatures above the ______ temperature.

2. For ______ nucleation will take place preferentially at highly energetic sites.

3. The nuclei may form by ______

4. Which of the following is responsible for the orange-peel effect?

5. In case of laser welding of dissimilar metals, there are chances of formation of _____

6. Which of the following is the problem on welding aluminium by laser welding?

7. The number of nuclei that form per second is called as _____

8. Weld pool geometry can be controlled by using multiple laser beams.

9. Critical deformation may exceed several hundred percent in case of deformation due to easy glide.

10. The critical degree of cold work lies between _____ of cold work.