Roll No. ......................
Total No. of Questions : 09]
B.Tech. (Sem. –
4th)
MANUFACTURING
PROCESSES
SUBJECT CODE : AE
- 204
Paper ID : [A0710]
Time : 03 Hours
Instruction to Candidates:
1. SECTION-A is COMPULSORY
consisting of TEN questions carrying
TWO marks each.
2. SECTION-B contains FIVE
questions carrying FIVE marks each and
students has to attempt any FOUR
questions.
3. SECTION-C contains THREE
questions carrying TEN marks each and
students has to attempt any TWO
questions.
SECTION-A
1.
(a) What are the
characteristic of a core?
(b) How
extrusion processes are classified? Write the name of the variables that
affects the extrusion process performance?
(c) How will you detect he welding defect? Explain.
(d) What is die casting? How it is important in casting
processes?
(e) What is brazing? How it is different from soldering?
(f) Differentiate between shaping and planning machine.
(g) What are the objectives and purposes of coolants used in
metal cutting?
(h) What is vacuum casting? How it is different from shell
mould casting?
(i) What is CBN? How it is important in metal cutting?
(j) What is bending? How it is different from drawing of
rod?
SECTION B
2. Name the
various constituents of moulding sands. Discus their ole. State their important
properties.
3. Write the
name of the different types of gas welding. Describe any one type from your
answer. Give sketch in support of your answer. 1+4=5
4. How
rolling processes are classified? What are the rolling defects that usually
occur during rolling of a sheet metal? Explain at least her defects with simple
sketch and explain their remedial actions.
5. Draw a
twist drill and label al parts. Write the name of the various accessories used
in a lathe machine. Explain thread cutting operation on a lathe machine. Answer
with simple sketch.
6. Explain
cylindrical and surface grinding process. Give simple sketch in support of your
answer.
SECTION C
7. (i)
Explain the working of a cupola. Give simple sketch in support of your answer.
(i) What are
the different non-traditional machining processes? Give examples and write
their advantages and limitations.
8. (i) How
milling machines are classified? State and explain the compound indexing
method. List out he various rules applied in differential indexing. In what
cases simple indexing can be recommended? Answer briefly with justification,
(i) What is
forging? List out he different forging defects and explain their remedial
actions.
9. Write
short notes on the followings:
(i)
Resistance welding.
(i) Casting
defects and their causes.
(i) Pres
working operation.
(iv) Cutting
toll materials.
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