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Production Engineering and Robotics - May 18
Diploma In Mechanical Engineering (Semester 6)
Total marks: 100
Total time: 3 Hours
INSTRUCTIONS
(1) Draw neat diagrams wherever necessary.
1.a. Attempt any THREE of the following:
1.a.i.
State types of production system. Enlist four features of
mass production system
(4 marks)
11242
1.a.ii.
Differentiate between production and productivity (any four
points)
(4 marks)
11157
1.a.iii.
Describe various techniques of improving productivity
(4 marks)
11098
1.a.iv.
State any four functions of production planning and control.
(5 marks)
11244
1.b. Attempt any ONE of the following:
1.b.i.
State types of plant layouts. Describe product layout with
neat sketch
(6 marks)
11245
1.b.ii.
Define routing. Explain in short various steps in routing
procedure.
(6 marks)
11246
2. Attempt any TWO of the following:
2.a.
Describe various principles of material handling in details.
(8 marks)
11247
2.b.
Redraw the sketch, prepare operation sheet and sequence of
operations for the component shown in Figure No. 1. Assume
suitable cutting parameters.
(8 marks)
11248
2.c.
Define process planning. State the factors affecting process
planning and explain it.
(8 marks)
11115
3. Attempt any FOUR of the following:
3.a.
Name the material handling devices for following activities:
(4 marks)
11249
(i) To move and stack material at height.
(ii) To lift heavy stones at height
(iii) To move cement bags at a short and fixed distance.
(iv) To move chemical from store to storage tank.
3.b.
State the information required to determine operation sequence.
(4 marks)
11251
3.c.
Compare floor inspection and centralized inspection on the basis of
(4 marks)
11252
(i) Defination
(ii) Measuring instruments used
(iii) Suitability
(iv) Mode of inspection
3.d.
State the objectives of plant layout.
(4 marks)
11250
3.e.
Draw an outline process chart to change the SIM CARD of a
mobile phone
(4 marks)
11253
3.f.
Differentiate between jigs and fixture (any four points)
(4 marks)
11254
4.a. Attempt any THREE of the following:
4.a.i.
Describe pull type manufacturing system
(4 marks)
11255
4.a.ii.
Discuss the concept of Kaizen
(4 marks)
11133
4.a.iii.
Give the classification of sensors used in robots
(4 marks)
11130
4.a.iv.
How ‘5s’ can be used as a waste management technique?
(4 marks)
11214
4.b. Attempt any ONE of the following:
4.b.i.
If a worker takes 15 minutes as a standard time for a job
in which total allowance is 20% of normal time. If the
rating of worker is 100%. Find the actual time required
by the worker.
(6 marks)
11256
4.b.ii.
Explain general principles of Jig/fixture design.
(6 marks)
11138
5. Attempt any FOUR of the following:
5.a.
Describe 3-2-1 principle of location used in Jig and fixture
with suitable sketches
(4 marks)
11217
5.b.
Explain cylindrical locator with neat sketch.
(4 marks)
11257
5.c.
Explain the concept of lean manufacturing.
(4 marks)
11142
5.d.
Explain any one non tactile sensor used in robot
(4 marks)
11259
5.e.
State types of mechanical joints used in robots. Explain any
one with sketch
(4 marks)
11148
5.f.
Differentiate between hydraulic actuator and pneumatic actuator
(any four points)
(4 marks)
11230
6. Attempt any TWO of the following:
6.a.
Explain with neat sketch Gantt chart. State its importance and
application in production planning and control
(8 marks)
11260
6.b.
Explain the symbols used in process chart
(8 marks)
11261
6.c.
Explain various robot configuration with sketches.
(8 marks)
11240
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