Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Summer 4th Sem 3141908 Manufacturing Processes Previous Question Paper
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER? IV EXAMINATION ? SUMMER 2020
Subject Code: 3141908 Date:29/10/2020
Subject Name: Manufacturing Processes
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.
Q.1
(a) Explain the working and auxiliary motions of machine tools.
03
(b) Differentiate between multispindle drilling machine and Gang drilling
04
machine.
(c) List the different methods of taper turning on lathe. Explain about taper
07
turning attachment with neat sketch.
Q.2
(a) What is boring operation? Draw the sketch of boring tool.
03
(b) Explain about dressing and truing of grinding wheel.
04
(c) Explain about column & knee type milling machine.
07
OR
(c) Explain about crank and slotted link quick return mechanism in shaper
07
machine.
Q.3
(a) Draw a neat sketch of single point cutting tool and show various angles
03
on sketch.
(b) Determine the cutting speed in machining a workpiece of 200 mm
04
diameter rotating at a speed of 100 rpm. Also calculate power, if cutting
force is 560 N.
(c) Explain the use of catch plate and carrier in turning operation of lathe
07
machine.
Discuss the application of angle plate and face plate for
machining of elbow pipe.
OR
Q.3
(a) Calculate the change gears to cut a single start thread of 0.5 mm pitch
03
on a lathe having a lead screw of 12 mm pitch. Assume a typical set of
gears.
(b) Differentiate between steady rest and follower rest.
04
(c) List the various drill operations. Explain any two drilling operations
07
with neat sketch.
Q.4
(a) Sketch the twist drill with its nomenclature.
03
1
(b) Explain the difference between drilling and boring with necessary
04
sketch.
(c) Discuss the various milling operations required to manufacture a V-
07
block with necessary sketch.
OR
Q.4
(a) What is Indexing? Write any two-engineering product application of
03
indexing.
(b) Explain how to check the parallelism between work table and spindle
04
axis in horizontal milling machine.
(c) Explain about jig boring machine with neat sketch.
07
Q.5
(a) Explain how to cut internal keyway on slotter machine with neat sketch.
03
(b) How grinding wheel is specified?
04
(c) Explain basic principle of broaching. Draw a neat sketch of internal pull
07
type broach and show various elements on it. Write different
applications of broaching.
OR
Q.5
(a) Classify the metal sawing machine.
03
(b) Draw the neat sketch of double housing planner machine.
04
(c) Explain about horizontal spindle reciprocating table surface grinding
07
machines with neat sketch.
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This post was last modified on 04 March 2021