Solve all PART-A IV Tick the appropriate answer] Q1. Which of the following is true about the
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PART-A IV Tick the appropriate answer] Q1. Which of the following is true about the extrusion process? a) Structure is homogeneous b) No time is lost in changing the shape c) Service life of extrusion tool is too high d) Its leading end is in good shape as compared to rolling Q2. In direct extrusion process at higher temperature which of the following is used to avoid friction? a) Oil b) Lubricants c) Molten glasses d) Wax Q3. In which of the following process frictional loss is eliminated at the billet container interface? a) Direct b) Indirect c) Impact d) Hydrostatic Q4. The centre of the extruded product can develop cracks called as? a) Centre cracking b) Centre burst c) Arrow headed fracture d) All of the mentioned Q5. Which of the following methods of manufacturing is used for the production of appliances like fridge and vacuum cleaner? a) Forging b) Deep drawing c) Sheet metal forming and cutting d) Rolling Q6. Combination die is a die which combines cutting and non-cutting actions in the blanking process. a) True b) False Q7. Which of the following types of force is predominant in the sheet metal forming processes? a) Shearing force b) Compressive force c) Tensile force d) Indirect compressive force Q8. Which of the following forming processes is suitable for making utensils and cup shaped objects? a) Forging b) Rolling c) Deep drawing d) Wire drawing Q9. Which of the following process is not grouped under metal removal process? a) boring b) milling c) tumbling d) rolling Q10. In which type of metal removal process, grinding is included? a) conventional machining b) abrasive process d) none of the mentioned Q11. In which metal removal process, material is removed a) conventional machining d) none of the mentioned c) nontraditional machining by particles? b) abrasive process c) nontraditional machining Q12. Which type of surface is produced by turning operation in lathe machine? a) flat c) taper d) none of the mentioned b) cylindrical Q13. Which type of feed is needed in facing operation? a) longitudinal b) cross c) both cross and longitudinal 2 d) none of the mentions PART-A IV Tick the appropriate answer] Q1. Which of the following is true about the extrusion process? a) Structure is homogeneous b) No time is lost in changing the shape c) Service life of extrusion tool is too high d) Its leading end is in good shape as compared to rolling Q2. In direct extrusion process at higher temperature which of the following is used to avoid friction? a) Oil b) Lubricants c) Molten glasses d) Wax Q3. In which of the following process frictional loss is eliminated at the billet container interface? a) Direct b) Indirect c) Impact d) Hydrostatic Q4. The centre of the extruded product can develop cracks called as? a) Centre cracking b) Centre burst c) Arrow headed fracture d) All of the mentioned Q5. Which of the following methods of manufacturing is used for the production of appliances like fridge and vacuum cleaner? a) Forging b) Deep drawing c) Sheet metal forming and cutting d) Rolling Q6. Combination die is a die which combines cutting and non-cutting actions in the blanking process. a) True b) False Q7. Which of the following types of force is predominant in the sheet metal forming processes? a) Shearing force b) Compressive force c) Tensile force d) Indirect compressive force Q8. Which of the following forming processes is suitable for making utensils and cup shaped objects? a) Forging b) Rolling c) Deep drawing d) Wire drawing Q9. Which of the following process is not grouped under metal removal process? a) boring b) milling c) tumbling d) rolling Q10. In which type of metal removal process, grinding is included? a) conventional machining b) abrasive process d) none of the mentioned Q11. In which metal removal process, material is removed a) conventional machining d) none of the mentioned c) nontraditional machining by particles? b) abrasive process c) nontraditional machining Q12. Which type of surface is produced by turning operation in lathe machine? a) flat c) taper d) none of the mentioned b) cylindrical Q13. Which type of feed is needed in facing operation? a) longitudinal b) cross c) both cross and longitudinal 2 d) none of the mentions
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1 b no time is lost in changing the shape Explanation In extrusion process the dies can be removed instantly without wasting any time 2cMolten glasses ... View the full answer
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