Most Important Questions for Manufacturing Processes

1. GATE Preparation: Manufacturing Processes Question Paper Time: 3 Hours Maximum Marks: 100 Section A: Short Answer Questions 1.Casting Processes: oa) Explain the significance of the gating system in the casting process. How does the gating system design affect the quality of the final product? (10 marks) ob) Differentiate between sand casting and die casting with respect to their applications, advantages, and limitations. (10 marks) 2.Metal Forming Processes: oa) Discuss the various types of rolling mills used in the rolling process. How does each type affect the material properties? (10 marks) ob) Explain the working principle of the forging process. Describe the differences between open-die forging and closed-die forging. (10 marks) 3.Welding Processes: oa) Compare and contrast TIG welding and MIG welding in terms of their principles, applications, and advantages. (10 marks) ob) Describe the factors that affect weld quality in arc welding processes. How can weld defects be minimized? (10 marks) 4.Machining Processes: oa) Explain the concept of tool wear and its types. How does tool wear affect the machining process? (10 marks) ob) Discuss the differences between conventional machining and non-conventional machining processes. Provide examples for each type. (10 marks) www.magicmarks.in

2. Section B: Long Answer Questions 5.Powder Metallurgy: oDescribe the steps involved in the powder metallurgy process. What are the advantages of powder metallurgy over conventional manufacturing methods? Provide examples of products manufactured using powder metallurgy. (15 marks) 6.Additive Manufacturing: oExplain the principles of additive manufacturing. Discuss the different types of additive manufacturing technologies and their applications in various industries. (15 marks) 7.Surface Engineering: oDiscuss the importance of surface engineering in manufacturing. Explain the different surface treatment processes and their applications. How do these processes improve the performance and life of the components? (15 marks) 8.Inspection and Quality Control: oExplain the role of inspection and quality control in manufacturing. Describe the various non-destructive testing (NDT) methods used for quality control. How do these methods help in maintaining the quality of the manufactured products? (15 marks) Instructions Attempt all questions. Provide clear and concise answers. Use diagrams where necessary to illustrate your points. Time management is crucial; allocate your time wisely for each section. www.magicmarks.in