Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 3rd Sem New 2131903 Manufacturing Process 1 Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER?III (New) EXAMINATION ? WINTER 2018
Subject Code: 2131903 Date: 28/11/2018
Subject Name: Manufacturing Process-1
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Differentiate right hand and left hand single point cutting tools
with neat sketches.
03
(b) Give the comparison between a turret lathe and capstan lathe. 04
(c) Explain Radial Drilling machine with net sketch. Write the types
of Drill tools.
07
Q.2 (a) Enlist the operations performed on Lathe machine. 03
(b) Compare the benefits and limitations of a three-jaw chuck over the
four-jaw chuck.
04
(c) State the advantages of all geared headstock as against a belt
driven headstock. Explain the function of a half nut during lathe
operation with a neat sketch.
07
OR
(c) A cylindrical work part 125 mm in diameter and 900 mm long is
to be turned in an engine lathe. Cutting conditions are: v = 2.5 m/s,
f = 0.3 mm/rev, and depth of cut = 2.0 mm. Determine: (a) cutting
time, and (b) metal removal rate.
07
Q.3 (a) How does a boring operation differ from a turning operation? 03
(b) What is the difference between peripheral milling and face
milling?
04
(c) Why are reaming operations performed? Explain Knee type
Milling machine in Details.
07
OR
Q.3 (a) Explain the effect of unequal lips in twist drill. 03
(b) Describe the difference between up milling and down milling. 04
(c) Classified metal cutting sawing machine and explain any two in
details.
07
Q.4 (a) Explain reaming and tapping with neat sketches. 03
(b) List out various milling machine operations and explain any two. 04
(c) Explain Drilling and its allied operation in details with application. 07
OR
Q.4 (a) What is Indexing? Write it application. 03
(b) Name the alignment tests required for milling machine to give best
quality Product.
04
(c) With the help of figure, explain ?Hydraulic shaper mechanism. 07
Q.5 (a) Sketch out the jig-boring machine with notation. 03
(b) Explain center less grinder using suitable diagram. 04
(c) Write advantages, limitations and applications of ?Broaching-
Machines?.
07
OR
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER?III (New) EXAMINATION ? WINTER 2018
Subject Code: 2131903 Date: 28/11/2018
Subject Name: Manufacturing Process-1
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Differentiate right hand and left hand single point cutting tools
with neat sketches.
03
(b) Give the comparison between a turret lathe and capstan lathe. 04
(c) Explain Radial Drilling machine with net sketch. Write the types
of Drill tools.
07
Q.2 (a) Enlist the operations performed on Lathe machine. 03
(b) Compare the benefits and limitations of a three-jaw chuck over the
four-jaw chuck.
04
(c) State the advantages of all geared headstock as against a belt
driven headstock. Explain the function of a half nut during lathe
operation with a neat sketch.
07
OR
(c) A cylindrical work part 125 mm in diameter and 900 mm long is
to be turned in an engine lathe. Cutting conditions are: v = 2.5 m/s,
f = 0.3 mm/rev, and depth of cut = 2.0 mm. Determine: (a) cutting
time, and (b) metal removal rate.
07
Q.3 (a) How does a boring operation differ from a turning operation? 03
(b) What is the difference between peripheral milling and face
milling?
04
(c) Why are reaming operations performed? Explain Knee type
Milling machine in Details.
07
OR
Q.3 (a) Explain the effect of unequal lips in twist drill. 03
(b) Describe the difference between up milling and down milling. 04
(c) Classified metal cutting sawing machine and explain any two in
details.
07
Q.4 (a) Explain reaming and tapping with neat sketches. 03
(b) List out various milling machine operations and explain any two. 04
(c) Explain Drilling and its allied operation in details with application. 07
OR
Q.4 (a) What is Indexing? Write it application. 03
(b) Name the alignment tests required for milling machine to give best
quality Product.
04
(c) With the help of figure, explain ?Hydraulic shaper mechanism. 07
Q.5 (a) Sketch out the jig-boring machine with notation. 03
(b) Explain center less grinder using suitable diagram. 04
(c) Write advantages, limitations and applications of ?Broaching-
Machines?.
07
OR
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2
Q.5 (a) What do you understand about the action of quick return in
reciprocating machine tools?
03
(b) Differentiate between a shaper and planer machine. 04
(c) Explain the specifications of a grinding wheel. Explain why a hard
wheel is suggesting to grinding a soft material and vice versa.
07
*************
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This post was last modified on 20 February 2020