College : Vardhaman College Of Engineering
Degree : B.Tech
Department : Mechanical Engineering
Semester : IV
Subject : Production Technology
Document type : Question Paper
Website : vardhaman.org
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Vardhaman Production Technology Question Paper
Four Year B. Tech IV Semester Regular/Supplementary Examinations May/June – 2014
(Regulations : VCE-R11)
(Mechanical Engineering)
Date : 9 June, 2014
Time: 3 hours
Max Marks: 75
Related : Vardhaman College Of Engineering Aircraft Production Technology B.Tech Question Paper : www.pdfquestion.in/6346.html
Instruction
Answer ONE question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
Model Questions
Unit – I :
1. a) Explain the different types of pattern allowances with neat sketches. 7M
b) Enumerate the different steps in manufacture of castings and list its advantages. 8M
2. a) With the help of a neat sketch, explain the construction and working of a cupola furnace. 8M
b) Explain the investment casting process with the help of neat sketches. 7M
Unit – II :
3. a) Write a note on non-ferrous metals with their applications. 8M
b) Describe forge welding operation with neat sketches. 7M
4. a) Explain thermit welding process? Where it is employed. 8M
b) Classify welding processes and enumerate one practical application with each of the classification.7M
Unit – III :
5. a) List the welding defects and explain the causes and remedies of any three different types of welding defects. 6M
b) With the help of neat sketches explain the construction and working of
i. Friction welding
ii. Laser beam welding process 9M
6. a) Explain the principle of hot and cold working. Enumerate the differences in terms of properties of hot and cold worked products. 8M
b) What is strain hardening? Why it is done? 7M
Unit – IV :
7. a) Explain the types of rolling mills with neat sketches . Also state the applications of rolling process. 10M
b) Explain the principle of operation of coining process. 5M
8. a) Draw neat sketches and explain the principle of operation of Bending and forming process. 8M
b) Explain the forces in rolling process and the method to counter act the forces. 7M
Unit – V :
9. a) What are the characteristics of extrusion process? 8M
b) Explain hot extrusion and where it is used and why? 7M
10. a) Explain the various types of plastics with suitable applications? 8M
b) Highlight the processing of thermoplastics considering the molding machines and materials used. 7M
Four Year B. Tech IV Semester Supplementary Examinations December – 2013 :
Regulations: VCE-R11
Production Technology :
Mechanical Engineering :
Date : 24 December, 2013
Time : 3 Hours
Max. Marks : 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
Unit – I :
1. a) With a neat flow diagram indicate the different steps involved in making a casting. 7M
b) Define pattern. With neat sketches describe the following types of pattern.
i). Match plate pattern
ii). Sweep pattern 8M
2. a) Define the term “Gating.” Sketch a gating system and highlight the functions of each Element. 8M
b) With a neat sketch describe Investment Casting Process. 7M
Unit – II :
3.a) Define Welding. How are welding Process classified? List any two applications of welding. 8M
b) Sketch Thermit welding process. Highlight the advantages of the same. 7M
4. a) Write brief notes on the following:
i). welding characteristics of Aluminum and its alloys
ii). Oxy- acetylene gas cutting 8M
b) Sketch and explain the principle of resistance welding. 7M
Unit – III :
5. a) With the help of a neat sketch explain explosive welding process. 7M
b) What is recrystallisation? What effect does it have on the properties of metal? 4M
c) List out the differences between cold and hot working of metals. 4M
6. a) With the help of a suitable sketch explain the working principle of laser beam welding process. 8M
b) List the various destructive techniques used in testing welded joints? Briefly explain any two of them. 7M
Unit – IV :
7. a) Sketch the different types of rolling mills. State the applications of rolling process. 8M
b) With a neat sketch explain the production of stainless tubes. 7M
8. a) Describe with neat sketch the different sheet metal cutting operations. 8M
b) Clearly explain the concept of clearance. Illustrate with necessary diagrams. 7M
Unit – V :
9. a) Discuss in detail the various types of defects encountered in forged components. 6M
b) With a suitable sketch explain impact extrusion process. 6M
c) What is the difference between extrusion and drawing processes? 3M
10. a) Discuss the various types of defects that occur during extrusion. 6M
b) Describe the blow moulding process. 4M
c) With the help of a schematic diagram of an indirect extrusion explain its working principle. 5M