GTU BE 2019 Summer Question Papers || Gujarat Technological University
Enrolment No.
Subject Code: 2132501
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- III (New) EXAMINATION — WINTER 2019
Subject Name: Machining Processes
Time: 02:30 PM TO 05:00 PM
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) | Explain primary and secondary motion in grinding operation, turning operation and drilling operation. | 03 |
| (b) | Explain Basic concepts machining process and Classify the Machine tools. | 04 | |
| (c) | Give the classification of the lathe and draw neat and clean sketch of lathe. | 07 | |
| Q.2 | (a) | Explain the self-centering and independent chucks. | 03 |
| (b) | Compare the turret and capstun lathe on the basis of functional capability. | 04 | |
| (c) | Enlist the different operations carried out on the Lathe machine and explain any five operations with neat sketch. | 07 | |
| OR | |||
| Q.3 | (a) | Explain types of chips with neat sketch. | 03 |
| (b) | Explain headstock spindle. | 04 | |
| (c) | Classify broaching tool on basis of method of operation, kind of operation and their construction | 07 | |
| Q.3 | (a) | Explain the Marking system grinding wheel. | 03 |
| (b) | OR Explain lathe dog with sketch. | 04 | |
| (c) | Explain truing and dressing. | 07 | |
| Q.4 | (a) | Explain standard work feeding methods for centreless grinding process with neat sketch. | 03 |
| (b) | Explain chip formation mechanism in broaching machine. | 04 | |
| (c) | Explain the slotted disc mechanism in slotting machine with neat sketch. | 07 | |
| Q.4 | (a) | Classify boring machine. Explain horizontal boring machine & jig boring machine with neat sketch. | 03 |
| (b) | OR --- Content provided by FirstRanker.com --- Draw the Twists Drill Geometry with neat sketch. | 04 | |
| (c) | Explain driving mechanism for planner machine. | 07 | |
| Q.S | (a) | Enumerate various operations carried out on drilling machine. Explain any three with neat sketch. | 03 |
| (b) | Explain speed, feed and depth of cut for shaper and slotter. | 04 | |
| (c) | Explain the slotted disc mechanism in slotting machine. | 07 | |
| Q.S | (a) | Explain different indexing methods used in milling machine with sketch. | 03 |
| (b) | OR Explain metal remover rate and machining time calculation for shaper, slotter and planer. | 04 | |
| (c) | List out the different milling operation and write appropriate milling cutter according to milling operation. | 07 | |
| Explain the role of Indexing operation in Milling Machine. Explain anyone them. |
Date: 28/11/2019
Total Marks: 70
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