Joll No........................... . ~tal No. of Questions: 08]
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[Total No. of Pages: 02
Paper ID [PES03] (Please fill this Paper ID in OMR Sheet)
M. Tech. METAL FORMING(PREIPE 503)
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Time: 03 Hours
Maximum Marks: 100
Instruction to Candidates: 1), Attempt any Five questions. 2) All questions carry equal marks. Ql)
(a) Discuss the Von Mises and maximum shear stress criterion which are used to predict the onset of yielding in ductile metals. (b) Explain why different stress-strain working.
curve is used for hot and cold
Q2) (a) Derive the expression of roll pressure for flat strip rolling in the leading and lagging zone. (b) What are the various process variables which control the rolling process? (c) Derive the expression for Tolling torq~e acting on the rolls, assuming all the possible parameters. Q3)
(a) Define drawability. Discuss the various factors that eff~ct drawability. (b) Discuss the different variables that affect the deep drawing process.
Q4)
(a) Discuss graphically the effect of lubrication on deformation in extrusion process. (b) Derive an expression of work done in deforming a metal in extruding a bar of length, L and section, A.. Assume any required parameter. ,
.
Q5)
(a) Compare in light of concept, advantages and disadvantage~ the various methods of tube drawing. (b) Discuss the various parameters that affect the process of tube drawing.
Q6)
(a) Discuss the true stress-strain curve for ductile and brittle material. (b) Is the value of Poisson's Justify your answer.
~
ratio different for hot and cold working.
Q7) (a) What is the function of support roll in rolling mill. Also discuss the effect of support roll on the torque. (b) Derive an expression for punch load for a circular and rectangular punch, assuming all the required data. Q8)
Write short notes on: (a) Defects in wire drawing. (b) Wrinkling. (c) Solid lubricants. (d) Heat generation in metal forming process. 1f,;1f,;1f,
Q7) (a) What is the function of support roll in rolling mill. ... effect of support roll on the torque. ... Displaying GNDEC M.Tech PE Dec 2007 Metal Forming.pdf.
Page 1 of 60. r . Roll Xo. ...................... z- t?Total Xo. of Questions : 08] [Total Xo. of Pages.: 01. Paper ID [PE504). (Please fill this Paper ID in OMR Sheet). M.Tech. . WELDING TECHNOLOGY (PE - 504). Time: 03 Hours. Instruction to Candidat
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Q4) Solve the system of equations. (2D - 4)Yl + (3D + ... Q9) Annual rain~all at a certain place is normally distributed with mean 45 cm. The rainfall for the last five ...
(b) What is desalination? What are the methods available for desalination? ... Q3) (a) Describe the mechanjsm of electrochemical corrosion by (i) hydrogen.
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Where do we use ASCII, Excess-3 & Grey codes? ... (ii) Express f in standard SOP form. . , ... GNDEC B.Tech ECE Sem 4 Dec 2007 Digital Electronics.pdf.
Describe the solidification mechanism occurred in fusion. ofweldments? (b) Explain the effects of alloying of various elements on welding of carbon. alloy steel? Q2) Define welding arc? Explain the mechanism of arc initiation and itsmaintenance? Q3)
or its equivalent. Page 3 of 7. Whoops! There was a problem loading this page. GNDEC M.Tech PE December 2009 Industrial Tribology.pdf. GNDEC M.Tech PE December 2009 Industrial Tribology.pdf. Open. Extract. Open with. Sign In. Main menu. Displaying GN
Page 1 of 60. Roll No. .......................... 1 \. t Total No. of Questions: 08] (Total No. of Pages : 02. M.Tech. METHODS ENGINEERING AND ERGONOMICS. ~:PE-523 .~: [E0460]. (Note: Please fill subject code and paper ID on OMR). Time: 03 Hours. Ins
Two stage computer. based test followed by. document verification. 1. Special Recruitment Drive (SRD) for PWDs. Allahabad. Degree from. recognized university. or its equivalent. Page 3 of 7. Whoops! There was a problem loading this page. Retrying...
The driving pin, projecting from the face plate or the lathe carrier with a bend leg into ... long work piece mounted on the head stock or between centres. iii.
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http://www.dcs.kcl.ac.uk/staff/odinaldo/research/phd_thesis.pdf. Riana, Joselyto and Renata Wassermann 2004. âUsing relevance to speed up inference: some ...
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