1) Describe of the following process with neat sketches.
a) Hot Extrusion
b) Wire Drawing
2) Describe the following terms with suitable sketches.
a) Blanking and trimming
b) Electro hydraulic forming
3) Explain the plasma arc welding process and specify its different application advantages and limitations.
4) Write a brief note on the following term:
a) Thermit welding
b) Brazing
c) Defects in welding
5) a) Describe significant characteristics of the Moulding sand.
b) Explain the core making process with appropriate examples.
6) Discuss about the Investment casting and also specify its application and limitations in detail.
7) Describe the several types of grinders with required sketches.
8) Describe the following processes with essential sketches.
a) Super finishing
b) Metal spraying
9) Describe with appropriate example for selective laser sintering and specify its benefits and limitations.
10) Explain the working principle of stereo–lithography and also specify the benefits and application of this process.