a. characteristics of elasticity of material b. characteristics of ductility of material ... No explanation is available for this question! 6. trimming . Blanks are geometrically similar in all aspects with respect to another blank such as dimension, thickness, width, length etc. Explain mechanics of metal forming. METAL FORMING (PREIPE-503) Time: 03 Hours Instruction to Candidates: 1), Attempt any Five questions. 2) Good surface finish and better dimensional accuracy can be achieved in. • heating the specimen at 1500o C for 2 hours, • observe the changers in dimension and appearance. Formability tests for bulk deformation. MF 8401 - METAL FORMING AND POWDER METALLURGY (REGULATIONS 2012) Time: 3 Hrs Max. Clamping . Working Of Deep Drawing Sheet Metal … • Material flow is short, less chance of disturbing inserts, causing product stress, and/or eroding molds. 13. What are the basic steps in core making process? Mention the effect of insufficient clearance. 12 0 obj Those process which are working above the recrystalization temperature is known as hot working of metals, 5, Advantages of cold working over hot working, Two high rolling mill Three high rolling mill Four high rolling mill Multi high rolling mill Universal high rolling mill, Mechanical working of metals by which metals and alloys are elastically deformed by the application of compressive force is known as forging process, 10, Some hand tools , which is used in the forging operation, Lap weld Butt weld T or jump weld V finished weld, It is defined as the ratio of the cross sectional area of the billet to the cross section area of the product, 13, What is meant by cold and hot spinning process, Cold spinning process is the operation of shaping very thin metal by pressing against Brass wheel, Hot spinning is a process of making circular cross section by spinning sheet metal, Making hallow cylinder and tubes by hot working process like extrusion, piercing is called tube drawing, The ratio of the difference in cross sectional area before and after drawing to the initial cross sectional area is known as degree of drawing, Cold laps Die shift Cracks Flakes De carbonization, 18, Methods used for producing seam less tube, It is defined as utility of a materials to deform before cracks appear on the metal, Surface defects Internal structure depicts Lamination. 8. /Flags 32 /AvgWidth 427 This contains 30 Multiple Choice Questions for Mechanical Engineering Sheet Metal Operations - MCQ Test 2 (mcq) to study with solutions a complete question bank. Remove maximum metal (D) Remove no … How work-hardening is predicted interms of stress-strain in formability? Good materials used n forming operations are identified. Pouring . Explain various types of manufacturing of plastics. Q.2 Explain difference between hot and cold working. Cold Working: Cold working (also known as cold forming) is metal forming performed at room temperature or slightly above. 3. Questions Asked from Metal Forming Process On those following papers in Marks 1 Hot working and cold working of metals – Forging processes – Open, impression and closed die forging – forging operations. Various sheet metal that can be formed in press working, 3. Plasma arc welding in an arc welding processes wherein coalescence is produced, by the heat obtained from a constructed arc setup between a tungsten/alloy tungsten electrode. Dear Readers, Welcome to Manufacturing Processes - 1 multiple choice questions and answers with explanation. a. 2) All questions carry equal marks. • if the sand is good, it retain specimen share and show very little expansion. The raw materials used in the forming process remained in a single solid phase. Uniform stress distribution. This is achieved by redrawing the part through a series of dies. Name the equipment used in arc welding, (ii) welding cables (iii) electrode holder (iv) welding electrode. 3. Specially developed for the Mechanical Engineering … (c) Give the limitations of rolling. The ductility of the same material is lower if the section size is larger. Total 18 Questions have been asked from Load Estimation for Bulk (Forging, Rolling, Extrusion, Drawing) topic of Casting, Forming and Joining Processes subject in previous GATE papers. endobj Maximum Marks: 100 Ql) (a) Discuss the Von Mises and maximum shear stress criterion which are used to predict the onset of yielding in ductile metals. The solved questions answers in this Sheet Metal Operations - MCQ Test 2 quiz give you a good mix of easy questions and tough questions. ����a. 7. Explanation: No explanation is available for this question! AE-2352 Experimental Stress Analysis Two Marks Que... MG2351 PRINCIPLES OF MANAGEMENT Questions Bank 2014. Diffusion bonding is a solid state process wherein coalescence of the faying surfaces is produced by the application of pressure and elevated temperature to carefully cleaned and mated metal surfaces so that they actually grow together by atomic diffusion. 15. Name the equipments used in gas welding? High metal disposition rate can be achieved. AE1005-WIND TUNNEL TECHNIQUES Two Marks Questions ... AE2352 EXPERIMENTAL STRESS Questions Bank 2014. x��\xT�ڞ9g[�$�I6mIv7K @(@���!����� 5. The process of providing lock between the two edges of the different work metal is called seaming. 4. metal with melting point not exceeding 450o C is melted and distributed by capillary action between the faying surfaces of the metal parts being joined. The filler material that binds the parts together is the adhesive. 1. 9. 1. CS2202 DIGITAL PRINCIPLES AND SYSTEM DESIGN Questi... CS1201 DATA STRUCTURES Questions Bank 2014, AE1005 WIIND TUNNEL TECHNIQUES Questions Bank 2014, AE1005-WIND TUNNEL TECHNIQUES Questions Bank 2014. 3. Extrusion defects (8) 14a(i). These objective type Manufacturing Processes - 1 questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma. Used to make foams. ... and lagging zone. Forging: Smith forging, drop forging & press forging. What are the characteristics features of filler metals and fluxes? How special forming process is defined? /Length 143747 9 0 obj 2. What are the disadvantages of electron beam welding? What are the procedures followed in Thermit welding? >> Foaming agent is combined with the charge to release gas, or air is blown into mixture while forming.

metal forming process 2 marks questions

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metal forming process 2 marks questions 2020