Design and Manufacturing: Frequently Asked Questions from AMIE Exams

1. DESIGN &
MANUFACTURING
FREQUENTLY ASKED QUESTIONS FROM
AMIE EXAMS

2. Engineering Design Process
• Explain “Design Process”. Illustrate the step followed with the help of a
figure. Also explain the flow of work during the design process.
• Enumerate the steps in engineering design process and explain. Discuss
with suitable example.
• What is Brainstorming ? How does it help in conceptualization ? Explain
how a brainstorming session is conducted in a design office ?
• Explain the role of “need” in design. How the needs for a particular product
design process analysed? Give one need statement for each of the
following: (i) Bicycle (ii) Washing machine (iii) Persona computer (iv) Private
car
• Distinguish clearly the terms “ Need Identification”, :Need Statement”, and
“Need Analysis”.
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3. Engineering Design Process....
• What is morphology of design ? Explain the various steps with the
help of a block diagram. How is it useful for the design process.
• Define the term "reliability" and "maintainability". Compare the
reliability of systems with (i) components in series versus (ii)
components in parallel.
• How will you check the design for safety, clarity and simplicity? Also,
explain how design is organised and communicated?
• Define product life cycle. Explain various stages of product life cycle
with suitable example.
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4. Concepts of Manufacturing
• What do you understand by “Group Technology”? Mention areas of
its application. Enumerate the advantages and disadvantages of group
technology.
• Define group technology concept in manufacturing. Discuss the
stages involved for adopting a plan for group technology.
• What is computer aided planning (CAPP)? What type of data are
required for developing a CAPP system? Distinguish between variant
and generative systems of process planning.
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5. Fundamentals of Casting
• What is casting ? State some advantages of this process. What are its
limitations and how are they overcome?
• Explain the characteristics of molding sand to have a sand mould.
• Explain permanent mold casting processing. Give any two applications
of this process.
• Describe the need of investment casting. Explain the investment
casting process with neat diagram. Outline some typical applications
of this process. What are the advantages and disadvantages of
investment casting? Mention some of its applications.
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6. Fundamentals of Machining Processes
• Name different types of chips. Explain the formation of various types of chips in
metal cutting. What is chip breaker? Why are non homogeneous chips formed?
• How would you specify a grinder? describe various factors used in the selection
of a grinding wheel.
• What is surface grinder? Under what conditions the use of this machine is
recommended?
• What are the various factors considered in the selection of grinding wheels? How
are grinding wheels specified?
• Define cutting speed, feed and depth of cut as applied to drilling. What are the
major factors on which above three factors depend?
• Differentiate between the shaper and planer. Explain what process takes place
during the return stroke of a shaping machine.
• What is Merchant's circle diagram? Discuss its significance.
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7. Fundamentals of Metal Forming
• Explain the following (or differentiate between the following) (i) Rolling and
forging (iii) Extrusion and wire drawing (iv) Blanking and piercing.
• Describe “punching” and “blanking” operations with the help of figures.
• Differentiate between hot and cold working of metal. State their
advantages and disadvantages.
• Define cold working of metals. Enumerate its advantages and
disadvantages.
• Briefly explain the principle of rolling with a neat sketch. Give three
different types of rolling stand arrangements.
•
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8. Fundamentals of Welding Processes
• Describe the working principle of “arc welding”. Explain the shielded
arc welding and how does it save the weldment from oxidation and
absorption of nitrogen. What precautions need to be observed in arc
welding.
• Explain (showing sketches) the following in brief: (i) Submerged arc
welding (ii) Metal inert gas (MIG) welding (iii) Thermit welding (iv)
TIG welding
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9. Unconventional Machining
• Enumerate the advantages of unconventional machining methods.
Describe the working of electro-discharge machining with the help of
figure.
• Describe the electrochemical machining(ECM) process with the help
of a neat sketch. State its applications. What is electrolyte and explain
its role.
• Explain with sketch the working principle of electro discharge
machining
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10. ANSWERS
• Please refer study material by AMIE(I) Study Circle for answers.
• Download prospectus
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