RollNo. Total No. of Pages : 04
Total No. of Questions : 09
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B.Tech. (AE) (2012 to 2017) (Sem.-3)MACHINE DRAWING
Subject Code : BTAE-306
M.Code : 54114
Time : 3 Hrs. Max. Marks : 60
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INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and student has to attempt any TWO questions.
- Assume any missing data suitably.
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SECTION-A
- Answer briefly :
- What do you understand by principal planes of projections?
- What is fullering in the context of rivets?
- What is the use of Gib in “Gib and-Cotter joint”?
- Mention any two means for prevention of rotation of bushes in a Plummer Block.
- Explain the terms unilateral and bilateral tolerance.
- What are temporary fastenings?
- What is the difference between lap and butt joints?
- What is the difference between right hand and left hand threads?
- What is meant by progressive dimensioning?
- What is the advantage of providing protective flanges in a coupling?
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SECTION-B
- Draw two views of a hexagonal nut of size M 18. Mark the various proportions in terms of its diameter.
- Draw free hand the proportionate sectional front view of a spigot and socket joint.
- Name the different forms of square threads and draw the detailed sketch of any one of them.
- Draw free hand the sectional front view and side view of a knuckle joint.
- Draw free hand the plan and sectional elevation of a double riveted lap joint (chain type). Take the diameter of the rivet as 12 mm.
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SECTION-C
- Figure below shows the pictorial view of an insulator bracket. Draw the front view as seen from direction ‘A’ and the right side view.
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FIG.1 - Figure below shows the details of a tool post. Assemble the parts and draw the full sectional front view.
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FIG.2 - Figure below shows the details of universal coupling. Assemble the parts and draw the full sectional front view.
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech Question Papers 2020 March (All Branches)