PRODUCTION TECHNOLOGY ASSIGNMENT QUESTIONS UNIT-I LG-1 1. Write the basic steps in the casting process. 2. Write the advantages of casting LG-2 1. Enumerate the applications of casting process. 2. Discuss Expendable mould casting, permanent mould casting and semi permanentmould casting. LG-3 1. What are the factors which govern the sections of a proper material for pattern making. 2. Discuss with the help of a neat sketch the working of sweep pattern. LG-4 1. What are the various tools used by a pattern maker. 2. Sketch and discuss the uses and advantages of a gated pattern. LG-5 1. Write short notes on the following with suitable sketches. i) Cope and drag pattern. ii) Skeleton pattern. 2. What is pattern? What is difference between a pattern and acasting. LG-6 1. Enumerate the various functions of a pattern? 2. What is permeability and why is it important in mould sands. LG-7 1. What are the advantages, disadvantages and limitations of casting process. 2. Discuss the various pattern allowances. LG-8 1. What is gate ratio? What is meant by “ Precision investment casting”? 2. What is choke? Discuss the pressurized gating system and unpressurised gating system? LG-9 1. Discuss the requirements of a good gating system. 2. List the advantages of wrought dies and cast dies. LG-10 1. Discuss the mould castings. 2. Discuss the slush coating, low pressure permanent mould casting. Unit-2 LG-1 1. How do you understand by centrifugal casting? How are the centrifugal casting methods Classified? 2. Write descriptive notes onSolidification of casting? LG-2 1.Write descriptive notes on Steel making processes? 2. What is Investment casting? LG-3 1.What is the main material used for making an Investment Pattern? 2.What are the methods of applying the Investment material to the pattern? LG-4 1. How is the centrifugal casting method used in the production of pipes. 2. Describe the types of Die casting process.? LG-5 1.Explain solidification of casting? 2.Explain solidification of pure metals and alloys? LG-6 1.Explain short and long freezing alloys? 2.what are the riser types and explain them? LG-7 1.What is the functioning and design of risers? 2. Explain casting design considerations? LG-8 1.What are the special casting processes and explain them? 2.What are the methods of melting? LG-9 1.Difference between crucible melting and cupola process? 2.Explain steel making process? LG-10 1.Explain of solidification ? 2.Difference between short and long freezing alloys? Unit-3 LG-1 1. Explain the following welding joints; butt, Lap, tee, corner, plug and edge. 2. What are the common welding troubles, causes and remedies for them. LG-2 1 Explain Forge welding and resistance welding? 2. Draw a diagram showing the classification of welding process. LG-3 1. What are the advantages and disadvantages of DC and AC welding. 2. What are the forces acting which transfer the metal from the metal electrode to the work in welding process? LG-4 1. Explain Gas welding and Arc welding. 2. Classification of welding? LG-5 1.Explain types of welds and welded joints? 2.What are the characteristics of welds and welded joints? LG-6 1.Explain design of welded joints? 2.Explain gas welding? LG-7 1.Explain arc welding? 2.Explain forge welding? LG-8 1.What are the differences between arc welding and forge welding? 2.What are the differences between gas welding and plasma welding? LG-9 1. Explain water plasma cutting? 2. Explain oxy acetylene gas cutting? LG-10 1.What are the differences between ferrous and non-ferrous metals? 2.What are the differences between water plasma and oxy acetylene cutting? Unit-4 LG-1 1. What is the difference between welding, brazing and soldering process. 2. Explain Laser welding and Induction welding. LG-2 1 Explain the Forge welding? 2.Explain Welding defects? LG-3 1. Explain Destructive & non destructive testing of welds 2. Explain the Advantage of brazing LG-4 1.Explain MIG & TIG welding 2.What processes may be employed for under water cutting? LG-5 1. Differentiate between brazing and braze wielding ? 2. Differences between TIG and MIG welding LG-6 1.Explain Inert gas welding? 2. Explain friction welding? LG-7 1.What is meant by induction welding? Explain in detail? 2.Explain explosive welding? LG-8 1.What are the heat effected zones in welding? 2.What are the welding defects? LG-9 1.What are causes and remedies of welding defects? 2.What is meant by destructive welding ?Explain in detail? LG-10 1.Difference between destructive and non-destuctive testing? 2.Explain soldering and brazing? Unit-5 LG-1 1.What are the advantages of hot working over cold working. 2. Explain Theory of rolling? LG-2 1. Explain Recrystallisation and grain growth? 2. Explain Cold working process. LG-3 1. What are the main characteristic of the hot working as compared with cold working process. 2. Explain – Strain hardening. LG-4 . 1. What are the advantages and disadvantages of hot rolling. 2. What are the different types of Rolling mills? Explain any one of them LG-5 1. Differences between cold working and hot working? 2. What are the forces and power requirements of rolling process? LG-6 1.Explain hot working and cold working? 2.Explain strain hardening? LG-7 1.Compare the properties of cold and hot worked parts? 2.Explain fundamentals of rolling? LG-8 1.what are different types of rolling mills and products? 2.Difference between hot working and cold working? LG-9 1.Explain re crystallization and grain growth? 2.What are the forces involved in rolling? LG-10 1.Explain the theory of rolling? 2.Explain recovery? Unit-6 LG-1 1. ExplainWire drawing ? 2. Explain Tube drawing? LG-2 1.Explain Hot and cold spinning. 2. Explain Bending and forming LG-3 1. Explain Types of presses and press tools. 2. Explain Blanking? LG-4 1.Explain piercing? 2.ExplainStamping and spinning LG-5 1.Discuss the advantage of extrusion process. 2.Discuss Drop forging and Roll forging. LG-6 1.What is meant by stamping?Explain in detail? 2.Explain forming process? LG-7 1.Explain difference between blanking and pierceing? 2.Explain bending and forming? LG-8 1.What are the types of drawing? 2.Difference wire drawing and tube drawing? LG-9 1.Explain differences between hot and cold spinning? 2.What are the types of presses and press tools? LG-10 1.What are the forces involved in press process? 2.Explain coining? Unit-7 LG-1 1. Explain the Forging hammers? 2.ExplainForward extrusion and backward extrusion LG-2 1. What are different type of forging explain any one of them. 2. Explain Impact extrusion and Hydrostatic extrusion. LG-3 1. Write a short notes on Hot extrusion and cold extrusion 2. Explain Press tools?. LG-4 1.ExplainForging defects 2.Explain Hot extrusion and cold extrusion LG-5 1. Explain Rotary forging? 2.ExplainSmith forging and roll forging. LG-6 1.Explain the characteristics of extrusion process? 2.Difference between hot and cold extrusion process? LG-7 1.Explain forward extrusion in detail? 2.Explain impact extrusion? LG-8 1.What are the principles of forging? 2.What are types of forging and explain them? LG-9 1.What are defects of forging? 2.Difference between smith forging and drop forging? LG-10 1.Explain roll forging? 2.Explain tools and dies in forging process? Unit-8 LG-1 1. Explain different types of plastics and their properties. 2. What is the main advantage of Injection moulding? LG-2 1.What is the main advantage of injection and blow moulding for thermo plastic parts as compared with hot compression moulding? 2. What factors that influence the accuracy to which plastic parts can be moulded? LG-3 1.What are the characteristics of thermo plastic plastics? 2.What are the good practices in the design of moulded plastic parts? LG-4 1.How do thermo plastics differ from thermo setting plastics? 2. What is the principal advantage of the casting method of moulding plastic parts? LG-5 1.Explain processing of plastics? 2.What are the different properties of plastics? LG-6 1.Explain the types of plastics? 2.What are applications of plastics? LG-7 1.Explain equipment of processing of plastics? 2.Explain blow moulding? LG-8 1.What is injection moulding? 2.Difference between injection and blow moulding? LG-9 1.Explain the properties of thermo plastic ? 2.What are differences between thermo plastics and thermo setting plastics? LG-10 1.What are the advantages of casting method? 2.Explain thermo setting plastics?
Posted on: Sat, 01 Feb 2014 12:21:29 +0000
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