Design & Manufacturing: Most Repeated Questions from AMIE exams
Engineering Design Process
- (AMIE W05, 06, 11, 13, 15, S09, 11, 8 marks): Explain “Design Process”. Illustrate the step followed with the help of a figure. Also, explain the flow of work during the design process.
- (AMIE W08, 12, 19, S06, 07, 08, 09, 12, 8 marks): Enumerate the steps in the engineering design process and explain. Give flow diagram. Discuss with suitable example.
- (AMIE S11, W13, 15, 12 marks): Discuss the following: (i) Design specifications (ii) Creative design (iii) Design by evolution (iv) Innovative design
- (AMIE W09, 14, S16, 10 marks): What is manufacturability? Describe its significance in design for manufacturing.
- (AMIE S09, S07, 09, 12, 19, W08, 15, 8 marks): What is Brainstorming? How does it help in conceptualization? Explain how a brainstorming session is conducted in a design office ?
- (AMIE W05, 11, 12, S06, 10, 18, 12 marks): 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.
- (AMIE W06, 08, S07, 14, 6 marks): Distinguish clearly the terms “ Need Identification”, "Need Statement”, and “Need Analysis”.
- (AMIE W08, S07, 11, 12, 18, 10 marks): What is the morphology of design? Explain the various steps with the help of a block diagram. How is it useful for the design process?
- (AMIE S09, 11, 12, 15, 16, 19, W09, 11, 13, 10 marks): Define the product life cycle. Explain various stages of the product life cycle with a suitable example.
Concepts of Manufacturing
- (AMIE S15, 16, W16, 10 marks): Classify manufacturing processes. Briefly discuss each type of process.
- (AMIE S06, 09, 13, 18, W14, 6 marks): What factors govern the selection of manufacturing process for a product? Give the stepwise procedure for selecting a manufacturing process.
- (AMIE W07, S09, 14, 10 marks): What is simulation? Explain briefly. How is it useful in design and manufacturing?
- (AMIE W05, 07, S06, 08, 10, 10 marks): What do you understand by “Group Technology”? Mention areas of its application. Enumerate the advantages and disadvantages of group technology.
- (AMIE S11, 13, 14, 10 marks): Define group technology concept in manufacturing. Discuss the stages involved for adopting a plan for group technology.
- (AMIE W17, 18, 19, 8 marks): What do you understand by Group Technology? Describe briefly different type of GT systems.
- (AMIE W07, 17, S12, 10 marks): What is robot? How are robots specified?
- (AMIE W14, S18, 19, 10 marks): Discuss the basic elements of industrial robot.
- (AMIE W16, 18, 8 marks): Classify the robots based on physical and geometrical attributes.
- (AMIE W16, 17, 18, 6 marks): Differentiate between NC, CNC and DNC machines.
- (AMIE W05, 15, S 08, 16, 5 marks): What is process planning? Describe computer aided process planning. How is it superior to manual process planning? Explain.
- (AMIE S06, 10, W13, 8 marks): 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.
- (AMIE W07, 10, 16, 18, S18, 10 marks): Discuss in brief about CAPP with block diagram. Also describe its types.
- (AMIE W07, 14, 15, 17, S17, 10 marks): Explain AGV. What are various types of AGVs?
- (AMIE S15, 16, W16, 10 marks): Explain how a green sand mould is made for sand casting, with a suitable example.
- (AMIE W07, 09, 12, 15, 16, 17, 19, S07, S09, 11, 14, 17, 10 marks): Describe the need of investment casting. Explain the investment casting process with steps and neat diagram. Outline some typical applications of this process. What are the advantages and disadvantages of investment casting? Mention some of its applications.
- (AMIE W17, 18, 6 marks): With diagrams show the top, bottom and parting line gating systems used in sand casting. Describe their advantages and disadvantages.
Fundamentals of Machining Processes
- (AMIE W06, S10, 11, 14, 18, 10 marks): What is the chip? 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? What is built up edge and how it is formed?
- (AMIE W10, 13, S11, 12, 6 marks): What is Merchant's circle diagram? Discuss its significance.
- (AMIE W07, 10, 13, 17, 8 marks): Specify grinding wheel. How would you specify a grinder? describe various factors used in the selection of a grinding wheel.
- (AMIE W09, S11, 12, 15, 10 marks): What are the various factors considered in the selection of grinding wheels? How are grinding wheels specified?
- (AMIE S13, 19, W16, 8 marks): Define centreless grinding. Describe the type of centreless grinding operations. Write the advantages and limitation of centreless grinding.
- (AMIE S10, 14, W12, 10 marks): Define cutting speed, feed and depth of cut as applied to drilling. What are the major factors on which above three factors depend?
- (AMIE W05, 11, 14, 16, S08, 4 marks): Differentiate between the shaper and planer. Explain what process takes place during the return stroke of a shaping machine.
- (AMIE S09, 19, W13, 18, 8 marks): Distinguish between shaping and planning operations. Name the machines on which these operations are performed.
- (AMIE W16, 17, S17, 6 marks): Distinguish between up and down milling with neat sketches. Show different parts of drill bit.
- (AMIE W10, 17, 13, 6 marks): Briefly describe the following finishing operations: (i) honing (ii) lapping (iii) buffing
Fundamentals of Metal Forming
- (AMIE W09, 11, S10, 20 marks): Explain the following (or differentiate between the following) (i) Rolling and forging (iii) Extrusion and wire drawing (iv) Blanking and piercing
- (AMIE W05, 06, 12, S09, 6 marks): Describe “punching” and “blanking” operations with the help of figures.
- (AMIE S06, 07, 09, 11, 12, 17, W06, 14, 15, 18, 8 marks): Differentiate between the hot and cold working of metal. State their advantages and disadvantages.
- (AMIE S12, 17, 19, W13, 8 marks): Briefly explain the principle of rolling with a neat sketch. Give three different types of rolling stand arrangements.
Fundamentals of Welding Processes
- (AMIE W05, S08, 11, 8 marks): 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.
- (AMIE W14, 16, 18, 19, 6 marks): Discuss the submerged arc welding (SAW) process with the aid of a neat diagram. Distinguish between forward and backward welding.
- (AMIE W10, 13, S12, 12 marks): Explain (showing sketches) the following in brief: (i) Submerged arc welding (ii) Metal inert gas (MIG) welding (iii) Thermit welding (iv) TIG welding
- (AMIE S08, 14, W11, 6 marks): What do you mean by unconventional machining processes? Why are these necessary? Explain.
- ( AMIE W06, 10, 17, 18, 19, S14, 10 marks) : Describe the electrochemical machining(ECM) process with the help of a neat sketch. State its applications. What is an electrolyte and explain its role?
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