STUPIDSID
Short Questions
1(a)
Define lip angle.
1 M
1(b)
Identify the following tool signature 8-12-6-6-6-10-1 in ASA system.
1 M
1(c)
Define Tool life.
1 M
1(d)
Explain Steady rest and Follower rest.
1 M
1(e)
What is the function of Face Plate?
1 M
1(f)
Define the following terms:
(i) Reaming (ii) Counter-boring
(i) Reaming (ii) Counter-boring
1 M
1(g)
List out various operations which can be performed on Shaper machine.
1 M
1(h)
With the help of sketch only indicate drive motion and feed motion for shaper and planer m/c.
1 M
1(i)
Write different applications of broaching.
1 M
1(j)
Explain primary cutting motion for lathe machine with neat sketch.
1 M
1(k)
Explain the meaning of grinding wheel signature: 26-C-60-M-7-V-28.
1 M
1(l)
State the limitations of the taper turning attachment in lathe.
1 M
1(m)
Define the function of Feed rod and lead screw.
1 M
1(n)
Explain the requirement of Angle plate in lathe machine.
1 M
2(a)
List the alignment tests to be carried out on the milling machine.
1 M
2(b)
Explain the classification of machine tools.
4 M
Solve any one question from Q.2(c) & Q.2(d)
2(c)
Explain twist drill nomenclature with neat sketch.
7 M
2(d)
List out various operations carried out on drilling machine. Explain any four.
7 M
Solve any three question from Q.3(a), Q.3(b), Q.3(c) & Q.3(d), Q.3(e), Q.3(f)
3(a)
Explain basic elements of machining.
3 M
3(b)
Explain various factors which are affecting tool life.
4 M
3(c)
Explain primary and auxiliary motions with reference to machine tool.
7 M
3(d)
Explain single point cutting tool geometry.
3 M
3(e)
Compare orthogonal and oblique cutting.
4 M
3(f)
Define a Basic Machine Tool. Classify them What are the general requirements of machine tools?
7 M
Solve any three question from Q.4(a), Q.4(b), Q.4(c) & Q.4(d), Q.4(e), Q.4(f)
4(a)
Calculate the tailstock set-over for turning a taper on a job whose
diameters are 80 mm and 60 mm. The length of the job is 350 mm and the length of the tapered portion is 250 mm.
3 M
4(b)
Write a short note on: 'Apron mechanism'
4 M
4(c)
Discuss with sketch characteristics of conventional Up and Climb milling.
7 M
4(d)
Determine the cutting speed in machining a workpiece of 200 mm diameter rotating at a speed of 100 rpm. Also calculate machining time if workpiece length is 0.5 m and feed is 0.45 mm/rev.
3 M
4(e)
Give the differences between gang drilling and multiple drilling
Machine.
4 M
4(f)
How grinding wheel is specified? Explain in details.
7 M
Solve any three question from Q.5(a), Q.5(b), Q.5(c) & Q.5(d), Q.5(e), Q.5(f)
5(a)
Give merits and demerits of Planer.
3 M
5(b)
Explain jig boring machine
4 M
5(c)
What is Tool Signature and Tool Geometry? Explain importance of tool angles for single point cutting tool in brief
7 M
5(d)
Explain the effect of unequal lips in twist drill.
3 M
5(e)
List out various milling machine operations and explain any two.
4 M
5(f)
Explain crank and slotted link quick return mechanism in shaper.
7 M
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