Download PTU B-Tech AE 2020 Dec 3rd Sem 54114 Machine Drawing Question Paper

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Roll No. Total No. of Pages : 04

Total No. of Questions : 18

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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 :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

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Answer briefly :

1. What is the difference between a rigid and a flexible coupling?
2. What is the use of a foot step bearing?
3. What is the advantage of Plummer block over a simple bushed bearing?
4. Under what conditions do you use a knuckle joint?

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5. Sketch the basic symbols for Single and Double-V butt welds.
6. What are permanent fastenings?
7. What is the difference between allowance and tolerance?
8. Differentiate between the pitch and lead of a screw thread?
9. What is a muff coupling?

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10. Explain the aligned system of dimensioning.

SECTION-B

11. Draw free hand the sectional front view of a union pipe joint.
12. Draw free hand upper half sectional front view of a protected type flange coupling on proportionate scale.
13. Name the different forms of V- threads and draw the detailed sketch of any one of them.

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14. Draw free hand the sectional front view of a single plate friction clutch.
15. Draw the top view and sectional front view of a double riveted chain type butt joint clearly showing all the dimensions. Take the diameter of the rivet as 12 mm.

SECTION-C

16. Figure below shows the details of a screw jack. Assemble the parts and draw the full sectional front view.

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This download link is referred from the post: PTU B.Tech Question Papers 2020 December (All Branches)