PTU Punjab Technical University B-Tech May 2019 Question Papers 3rd Semester AE-Automobile-Engineering
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Roll No.
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(AE) (2011 Onwards) (Sem.?3)
MANUFACTURING PROCESSES
Subject Code : BTAE-304
M.Code : 54112
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
each.
2.
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt ANY FOUR questions.
3.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt ANY T WO questions.
SECTION-A
1.
Answer briefly :
a. What is allowance? How shrinkage allowance is influenced by choice of material?
b. Define pattern. Name any two patterns.
c. What is core?
d. What is thermit welding?
e. Name any two welding defects along with their causes and remedies.
f. Explain spinning www.FirstRanker.com
process in brief.
g. Name any two types of presses.
h. Draw sketch of a single point cutting tool.
i. What is indexing?
j. Briefly explain the principle of electro chemical machining.
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SECTION-B
2.
Describe the following sands :
a) Green sand
b) Dry sand
c) Loam sand
3.
Explain with neat sketch electron beam welding.
4.
With a neat sketch explain the process of rolling.
5.
Discuss with sketch characteristics of conventional Up and Climb milling.
6.
Discuss signature of single point cutting tool nomenclature with neat sketch.
SECTION-C
7.
Describe five different types of patterns and indicate the production circumstances in
which each would be used.
8.
Write short note on :
a) Submerged Arc Welding
b) Deep Drawing
c) Plastic Moulding www.FirstRanker.com
Machines
d) Cutting Tool Material.
9.
Explain in detail the principle of operation of laser beam machining with the help of neat
sketch. Also write advantages, disadvantages and applications of the process.
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 04 November 2019