(i) List out the function of shielding gas in GTAW process. (3 Marks) (ii) State the ionization potential of any four shielding gas and its importance. (4 Marks)
[7 marks](i) Draw GMAW Principle with their equipments with neat sketch. (3Marks) (ii) Label the sketch. (2 Marks) (iii) Evaluate : GMAW process is better than SMAW process. (2 Marks)
[7 marks](i) Define MAG Welding. (2 Marks) (ii) List out welding equipments used in MAG welding. (2 Marks) (iii) Describe their use. (3 Marks)
[7 marks](i) State the function of flux in FCAW process. (4 Marks) (ii) State the similarities and dissimilarities in FCAW and GMAW process. (3 Marks)
[7 marks](i) List out seven Welding Parameters of FCAW process. (ii) Describe its effect on weld bead.
[7 marks]Describe principle of ESW process with neat sketch.
[7 marks]Describe principle of PAW with neat sketch.
[7 marks]List out advantages, disadvantages, application of ESW process.
[7 marks]Compare transfer and non transfer PAW process with neat sketch.
[7 marks]State the steps involved in stud welding with neat sketch. Page 1 of
[2 marks]State the principle of below welding processes. (NO sketch is required)
[7 marks]Explosive welding. (2 Marks) (ii)Laser beam, welding. (2 Marks) (iii)Ultrasonic Welding. (2 Marks) (iv) List out one different applications for above welding processes. (1 Mark)
[ marks]Describe principle of stud welding with neat sketch. (4Marks) List out advantages and disadvantages of stud welding. (3Marks)
[7 marks]Describe underwater welding.
[7 marks](i) Prepare the welding procedure for any type of joint in pressure vessel. (ii) Assume the data wherever required, also mention your assumption.
[7 marks]List, Causes and remedies of any seven weld Defects.
[7 marks]Describe the importance of ASME section IX.
[7 marks]Describe the distortion in detail with their types with neat sketch. Page 2 of
[2 marks]