ME6302 Manufacturing Technology -I, Second year, Department of Mechanical Sandwich Engineering, Model Exam Questions

ANSWER ALL QUESTIONS

PART(10×2=20)

1.Name any four types of commonly used patterns?

2. Name four different casting defects?

3.Distinguish between MIG   and TIG?

4. What is the principle of thermit welding?

5 .Distinguish between hot working and cold working of metals?

6.Define extrusion process?

7.What  is spring back? How  is it recovered?

8.Define the term formability?

9.Define degree of polymerization?

10.Describe briefly the principle of film blowing?

                                            PART B –(5×13=65)

11(a)Explain with a simple sketch how are metal is melted in a copula furnace? (13)

                                                    OR

(B)(i) Describe the process of investment casting. What process controls are needed in this case? (13)

12(a) Sketch the three types of flames in oxy-acetylene welding and state their characteristics?(13)

                                                 OR

(b)Explain the principle of operation, advantagesand  limitation of electron beam welding?(13)

13(a) (i)Describe the principle of hot and cold working process compare them.(8)

(ii) Explain in detail about wire drawing?(5)

                                        OR  

(b)(i) Describe  the principle of hydrostatic extursion ?(7)

   (ii) What is deepdrawingoperation?Explain with a neat sketch?(6)

14(a) (i) What is super plastic forming? Explain with a neat sketch(8)

   (ii) Enumerate rubber pad forming with asuitable sketch

                                    OR

(B)Describe magnetic pulse forming with a neat sketch(8)

                                      OR

(ii) Explain the power spinning process with a neat sketch. Give their application

15 (a) Explain the various types  of thermoforming method shaping thermoplastics?

                                         OR                                                                                                                                                                                                                                                                                                                                                                   (b)Describe the working  principle of film blowing and thermo forming

                   PART –C

16(a)Write a notes on casting defects causeand remedies(16)

                                         OR

(b)Sketch the different  types of weld defects mention how they occur