Diploma Model Practical Question Paper for
Mechanical Third year
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We have added Diploma Model Practical Question Paper for Mechanical Third year for the subject – Computer Aided Design and Manufacturing Practical. You can download Diploma Model Practical Question Paper for Mechanical Third year – Computer Aided Design and Manufacturing Practical as Pdf
Diploma Practical Examinations June 2022 Instructions
Subject Code: 32064
Subject: Computer Aided Design and Manufacturing Practical
Total Exercise: 12.
Maximum Marks : 75
| Detailed Allocation of Marks | |
| Part – A – Solid Modelling | |
| Part Modelling | 15 Marks |
| Assembly | 10 Marks |
| Print out | 10 Marks |
| Total Marks (Part – A) | 35 Marks |
| Part – B – CNC Programming | |
| Program editing and creation | 15 Marks |
| Component manufacturing | 10 Marks |
| Finish | 10 Marks |
| Total Marks (Part – B) | 35 Marks |
| Viva – Voce | 5 Marks |
| Total | 75 Marks |
Note:
(i) The following question paper is prepared for students practice purposes. The Original Question paper from Dote may vary in the order of Questions.
Computer Aided Design and Manufacturing Practical Model Question Paper
1. (a) Draw the part diagram and assemble Geneva wheel (35 marks)
(b) Using Linear and Circular interpolation – Create a part program and produce component in the Machine. (35 marks)
2. (a) Draw the part diagram and assemble Bearing Block (35 marks)
(b) Using Stock removal cycle – Create a part program for multiple turning operations and produce component in the Machine (35 marks)
3. (a) Draw the part diagram and assemble Bushed Bearing (35 marks)
(b) Using canned cycle – Create a part program for thread cutting, grooving and produce component in the Machine. (35 marks)
4. (a) Draw the part diagram and assemble Gib and Cotter joint (35 marks)
(b) Using Linear interpolation and Circular interpolation – Create a part program for grooving and produce component in the Machine. (35 marks)
5. (a) Draw the part diagram and assemble Screw Jack (35 marks)
(b) Using canned cycle – Create a part program for drilling, tapping, counter sinking and produce component in the Machine. (35 marks)
6. (a) Draw the part diagram and assemble Connecting Rod (35 marks)
(b) Using subprogram – Create a part program and produce component in the Machine. (35 marks)
Machine Tool Testing and Maintenance Practical
Subject Code: 32065
Subject: Machine Tool Testing and Maintenance Practical
Total Exercise: 12.
Maximum Marks : 75
| Detailed Allocation of Marks | |
| Part – A – Machine Tool Alignment | |
| Procedure / Drawing | 15 Marks |
| Geometric Test | 20 Marks |
| Result and Test Chart | 10 Marks |
| Total Marks (Part – A) | 45 Marks |
| Part – B – Maintenance | |
| Dismantling | 10 Marks |
| Trouble Shooting Procedure | 10 Marks |
| Assembling / Report | 5 Marks |
| Total Marks (Part – B) | 25 Marks |
| Viva – Voce | 5 Marks |
| Total | 75 Marks |
BOARD EXAMINATION
Note: Examinations will be conducted in both Part A and Part B.
Machine Tool Testing and Maintenance Practical Model Question Paper
1. (a) Conduct the following test for the lathe machine and prepare a test chart.
Check the level of slideways.
Check the straightness of carriage movement.
Check the parallelism of tailstock movement to carriage movements.
Check the run-out of the spindle.
Check the parallelism of the axis of the outside of tailstock sleeve to carriage movement. (45 marks)
b) Dismantle, inspect and assemble the machine components in Lead screw and nut. (25 Marks)
2. (a) Conduct the following test for the shaping machine and prepare a test chart.
Check the flatness of table top face.
Check the parallelism of table top face to its transverse movement.
Check the parallelism of table top face to the ram movement.
Check the parallelism of T-slot of top face to the ram movement.
Check the squareness of table side face to its transverse movement.(45 marks)
(b) Dismantle, inspect and assemble the machine components in Tailstock. (25 Marks)
3. (a) Conduct the following test for the drilling machine and prepare a test chart.
Check the level of the machine.
Check the flatness of the table surface.
Check the run-out of the internal taper of the spindle.
Check the straightness of the pillar and squareness of the spindle axis.
Check the squareness of the table surface to the vertical movement of the spindle housing (45 marks)
(b) Dismantle, inspect and assemble the machine components in Bench vice. (25 Marks)
4. (a) Conduct the following test for the surface grinding machine and prepare a test chart.
Verify the levelling of slideways.
Verify the straightness of slideways in a horizontal plane.
Verify the flatness of the table surface.
Verify the parallelism of the table surface.
Check the run-out of the wheel spindle nose. (45 marks)
(b) Dismantle, inspect and assemble the machine components in Three jaw chuck. (25 Marks)
5. (a) Conduct the following test for the milling machine and prepare a test chart.
Check the straightness of the vertical movement of the knee.
Check the squareness of the table surface to the column ways for knee.
Check the flatness of the table surface.
Check the parallelism of the table surface to its movement.
Check the run-out of the internal taper of the spindle. (45 marks)
(b) Dismantle, inspect and assemble the machine components in Four jaw chuck. (25 Marks)
6. (a) Conduct the following test for the slotting machine and prepare a test chart.
Check the flatness of the table top face.
Check the run-out of the central locating bore.
Check the parallelism of table surface to its movement in longitudinal direction.
Check the squareness of the longitudinal and transverse movements of table.
Check the squareness of ram movement to the table surface in the transverse
direction. (45 marks)
(b) Dismantle, inspect and assemble the machine components in Drill chuck. (25 Marks)
