(1) Explain typical stress strain diagram for ductile material.
(2) Explain hotworking & Coldworking process with advantages & disadvantages.
(3) Explain VonMises & Tresca theory of yielding.
(4) Explain two dimensional stress analysis with Mohr circle diagram.
(5) Define principle plane & principle stresses.
(6) Define equation for analysis of circular disc with slab analysis method.
(7) Determine engineering strain,True strain & reduction for a) Bar is doubled in
Length b) Bar is halved in length.
(8) Explain various forging operations with neat sketches.
(9) Explain friction board drop hammer for forging.
(10) Explain typical arrangement of roll & rollmills with neat sketches.
(11) Discuss analysis of strip rolling derive equation for projected arc length.
(12) Explain various Rolling defects,
(13) A cold roll sheet with a shear strength of 350MPa & thickness of 3mm is to be
Subjected blanking operation.The diameter of blank to be obtained is 130mm &
Clearance 0.075mm.What is the appropriate die & punch diameter & Punch
force for operation?
(14) Explain drawbench process of drawing with neat sketch.
(15) Explain various operation performed on sheetmetal press machine
(16) Explain a) Forming Limit diagram b) Anistrophy in sheet metal
(17) Stress Analysis of extrusion process .
(18) Define the following terms: (i) Hot forming, (ii) Cold Forming, (iii) Yield
Strength, (iv) Flow Stress, (v) Strain Rate, (vi) Principal Stress, (vii) Plasticity.
(18) Give short note on Two-Dimensional Mohr's circle method for stress analysis.
(19) Derive the relationship between Yield strength in Shear and Yield strength in
Tension according to Tresca's hypothesis of yielding.
(20) What is work hardening? How does it affect the mechanical properties?
(21) Derive the relationship between Yield strength in Shear and Yield strength in
Tension according to Von Mises’ hypothesis of yielding.
(22) Explain Isotropic and Kinematic work hardening with neat sketches.
(23) Explain about importance of Upper bound and Lower bound theorem in metal
forming.
(24) Give short note on Forging process with its classification.
(25) Explain metal flow during forging of a circular disc.
(26) Explain Extrusion and Wire Drawing processes in brief.
(27) Explain about Rolling process in brief with its detail classification
(28) Explain analysis of compression of circular disc with slab method.
(29) Give list of methods used for calculation of extrusion load and explain any one
of them in brief with neat sketch.
(30) Give list of different sheet metal forming processes and explain Blanking
operation with neat sketch.
(31) Give short note on friction and lubrication in forming processes.
(32) Explain methods of changing Roll Camber with neat sketches.
(33) Explain about Compound and Progressive dies operation.
No comments:
Post a Comment