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    MF7203 Theory of Metal Forming

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    Kanagarajan
    This document contains an exam for a Theory of Metal Forming course, including: 1) A 10 question, multiple choice section worth 20 marks. Questions cover topics like stress concentration, strain energy, types of friction, Coulomb's law of friction, super plastic forming, hydro forming examples, extrusion types, and formability. 2) A 5 question essay section worth 65 marks. Questions require explaining yield criteria, stress representations, extrusion processes, sheet metal forming differences, explosive forming, super plastic forming advantages/limitations, and other metal forming topics. 3) A final 15 mark question requiring analysis of material deformation regimes or explaining water hammer formation. The exam tests students' understanding of key

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    MF7203 Theory of Metal Forming

    Uploaded by

    Kanagarajan
    122 views4 pages
    This document contains an exam for a Theory of Metal Forming course, including: 1) A 10 question, multiple choice section worth 20 marks. Questions cover topics like stress concentration, strain energy, types of friction, Coulomb's law of friction, super plastic forming, hydro forming examples, extrusion types, and formability. 2) A 5 question essay section worth 65 marks. Questions require explaining yield criteria, stress representations, extrusion processes, sheet metal forming differences, explosive forming, super plastic forming advantages/limitations, and other metal forming topics. 3) A final 15 mark question requiring analysis of material deformation regimes or explaining water hammer formation. The exam tests students' understanding of key

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    Theory of metal forming

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    MF7203-THEORY-OF-METAL-FORMING

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    This document contains an exam for a Theory of Metal Forming course, including: 1) A 10 question, multiple choice section worth 20 marks. Questions cover topics like stress concentration, strain energy, types of friction, Coulomb's law of friction, super plastic forming, hydro forming examples, extrusion types, and formability. 2) A 5 question essay section worth 65 marks. Questions require explaining yield criteria, stress representations, extrusion processes, sheet metal forming differences, explosive forming, super plastic forming advantages/limitations, and other metal forming topics. 3) A final 15 mark question requiring analysis of material deformation regimes or explaining water hammer formation. The exam tests students' understanding of key

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    122 views4 pages

    MF7203 Theory of Metal Forming

    Uploaded by

    Kanagarajan
    This document contains an exam for a Theory of Metal Forming course, including: 1) A 10 question, multiple choice section worth 20 marks. Questions cover topics like stress concentration, strain energy, types of friction, Coulomb's law of friction, super plastic forming, hydro forming examples, extrusion types, and formability. 2) A 5 question essay section worth 65 marks. Questions require explaining yield criteria, stress representations, extrusion processes, sheet metal forming differences, explosive forming, super plastic forming advantages/limitations, and other metal forming topics. 3) A final 15 mark question requiring analysis of material deformation regimes or explaining water hammer formation. The exam tests students' understanding of key

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    of 4

    Reg.

    No

    Question Paper Code: 86779

    M.E. DEGREE EXAMINATION MAY/JUNE 2016

    First Semester

    M.E Manufacturing Engineering

    MF 7203 – THEORY OF METAL FORMING

    ( Regulations 2013)

    Time: Three hours Maximum:100marks

    Answer ALL questions.

    Part A-(10x2=20marks)

    1. What is meant by stress concentration.

    2. What is meant by strain energy ?

    3. What are the different types of friction ?

    4. State coulomb’s law of friction and state its limitations.

    5. What are the advantages and disadvantages of super plastic forming ?

    6. Give any four examples for hydro forming components.

    7. State the difference between convectional and high speed extrusion.

    8. State the advantages and disadvantages of isothermal forming.

    9. What is gliding velocity ?

    10. Define formability.


    PART – B (5 * 13 = 65 Marks )

    11. (a) Explain Tresca and von-Mises criterion and compare the both with simple
    sketches

    OR

    (b) Explain Mohr’’s circle representation of a state of stress in two and three
    dimensional with simple sketches

    12. (a) Determine the true strain rate in extruding a round billet of radius
    function of distance from the entry of a conical die

    OR

    (b) Discuss in detail the design consideration in formimg process.

    13. (a) (i) State the general characteristics of sheet metal forming processes. 8

    (ii) State the difference between blanking and fine blanking. 5

    OR

    (b) (i) Explain explosive forming process with neat sketches. 8

    (ii) State the advantages and limitations of super plastic forming 5


    process.

    14. (a) (i) Explain super plastic forming and state its advantages and 6.5
    limitations.

    (ii) Explain in detail powder rolling processes with neat sketches. 6.5

    OR

    (b) (i) Explain in detail high speed extrusion with sketches 6.5

    (ii) Explain hot isostatic pressing with neat sketches. 6.5


    15. (a) (i) Explain friction between metallic layers neat sketch. 6.5

    (ii) Discuss about thin aluminium alloy cladding. 6.5

    OR

    (b) (i) Explain the process to evaluate formability of laminated sheet. 6.5

    (ii) Explain triplex steel rolling process. 6.5

    PART –C (1 *15= 15 Marks)

    16. (a) Analyse thermo mechanical regimes of Ti and Al alloy during


    deformation.
    OR

    (b) Explain how water hammer is formed with an example.

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