Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) Mechanical Engineering 2020 December 4th Sem Manufacturing Processes Ii Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (ME) (2012 Onwards) (Sem.?4)
MANUFACTURING PROCESSES-II
Subject Code : BTME-405
M.code : 59133
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
Q1) Classify Metal Forming Processes.
Q2) Define "Degree of drawing"?
Q3) Write various variables in extrusion process.
Q4) What is elastic recovery or spring back?
Q5) What is `Tool Signature'?
Q6) How do you differentiate between orthogonal cutting and oblique cutting?
Q7) List the various methods of taper turning on lathe machine.
Q8) List down the various types of milling cutters.
Q9) Differentiate between drilling and boring.
Q10) What is meant by dressing and truing of grinding wheels?
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SECTION-B
Q11) What are the various rolling defects? Discuss their causes and also state remedial
measures.
Q12) Explain powder metallurgy process. Also discuss its advantages, limitations and
applications.
Q13) Write the function of coolants and what is the effect of coolants on speeds and feed in
metal cutting.
Q14) Draw a twist drill and explain various angles and terms related to twist drill.
Q15) Calculate the cutting time for cutting 150 mm long keyway using HSS end mill of 20 mm
diameter having four cutting teeth. The depth of keyway is 4.2 mm. Feed per tooth is 0.1
mm and cutting speed is 38 m/min. Assume approach and over travel distance as half of
the diameter of the cutter and a depth of 4.2 mm can be cut in one pass.
SECTION-C
Q16) a) Explain electro hydraulic forming process.
b) How press dies are classified? Explain them briefly.
Q17) What are different cutting tool materials? Explain the composition, applications,
advantages and limitations of high speed steel, alloy carbon steel, diamond and CBN
cutting tool materials.
Q18 a) Explain the five lathe machine operations.
b) Sketch the various shapes of grinding wheels and write their field of applications.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 13 February 2021