Joll No........................... . ~tal No. of Questions: 08]

.~

[Total No. of Pages: 02

Paper ID [PES03] (Please fill this Paper ID in OMR Sheet)

M. Tech. METAL FORMING(PREIPE 503)

-

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,

GNDEC M.Tech PE Dec 2007 Metal Forming.pdf

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.

698KB Sizes 0 Downloads 69 Views

Recommend Documents

GNDEC B.Tech ECE Sem 4 Dec 2007 Digital Electronics.pdf ...
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.

GNDEC B.Tech ECE Sem 6 Dec 2007 Microelectronics.pdf ...
There was a problem previewing this document. Retrying... Download. Connect more apps... Try one of the apps below to open or edit this item. Main menu.

GNDEC M.Tech CSE Dec 2007 Advance Software Engineering.pdf ...
ADVANCE SOFTWARE ENGINEERING (CS -501). Time: 03 ... low cohesion? Q4) (a) Why are control components necessary in conventional software and.

GNDEC B.Tech CHM 1st Year Dec 2007 Chemistry.pdf
(b) What is desalination? What are the methods available for desalination? ... Q3) (a) Describe the mechanjsm of electrochemical corrosion by (i) hydrogen.

GNDEC M.Tech PE December 2009 Welding Technology.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)

GNDEC M.Tech PE December 2009 Industrial Tribology.pdf ...
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

GNDEC M.Tech PE 2009 Computer Aided Design & Manufacturing.pdf
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...

GENERAL METAL WORK 2007-unprotected.pdf
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.

GNDEC B.Tech HM Sem 3 Dec 2009 Principles of Economics ...
Q7) Define monopoly. How price is determined under monopoly? ... GNDEC B.Tech HM Sem 3 Dec 2009 Principles of Economics & Management Paper 1.pdf.

GNDEC MBA 2nd Year Dec 2009 Social Security & Labour Welfare ...
COMMUNICATION SERVICES: MESSENGERIAL (DHL) US Japan Middle East France. - Package. > Junior Box ..... Whoops! There was a problem loading this page. Retrying... GNDEC MBA 2nd Year Dec 2009 Social Security & Labour Welfare.pdf. GNDEC MBA 2nd Year Dec

GNDEC M.Tech CS Dec 2009 Software Engineering Methodologies ...
SOFTWARE ENGINEERING METHODOLOGIES. SUBJECT CODE :CS -514 (Elective - II) ... between incremental development and rapid application development. method. Q2) Define the terms: ... Page 2 of 2. Main menu. Displaying GNDEC M.Tech CS Dec 2009 Software En

PE 04 705 E Maintenance Engineering and Management DEC 2011 ...
PE 04 705 E Maintenance Engineering and Management DEC 2011.pdf. PE 04 705 E Maintenance Engineering and Management DEC 2011.pdf. Open. Extract.

mtech(SE)_2nd_sem.pdf
Analysis And Design Of Tall Structures (03209181). Page 3 of 16. mtech(SE)_2nd_sem.pdf. mtech(SE)_2nd_sem.pdf. Open. Extract. Open with. Sign In.

arXiv:0712.2716v1 [physics.soc-ph] 17 Dec 2007 ...
17 Dec 2007 - This notion can be however formalized in many ways. Social net- work analysts have devised many definitions of subgroups with various degrees ... usually close in value for vertices belonging to the same community. Sim- ..... and negati