Machine Drawing Question Paper of 3rd Semester AE Download Previous Years Question Paper 6

Roll no……………..

Total no. of Questions:09]

B.Tech. (sem.-3^rd)

MACHINE DRAWING

SUBJECT CODE: BTAE-306

PAPER ID:[A1156]

Time : 03 Hours

Instruction to Candidates:

INSTRUCTIONS TO CANDIDATE:

1.     SECTION-A is compulsory consisting of Ten question carrying Two marks each.

2.     SECTION-B contains FIVE questions carrying Five marks each and students has to attempt any four questions.

3.     SECTION –C contains Three questions carrying Ten marks each and students has to attempt any Two questions.

SECTION -A

1.       

a.     With suitable sketch, explain the method of dimensioning of i) circle ii) Angle

b.     Draw conventions for i) internal threads ii) gun metal

c.      Draw symbols to represent removal of material by marching.

d.     What is difference between a ‘go limit’ and ‘not go’ limit.

e.      What do you understand by pitch of a thread?

f.       What are the advantages of riveted joints?

g.     Draw symbols for i) convex double-V butt joint ii) fillet weld

h.     What are multi start threads? Where these are used and why?

i.       Why the ends of the overlapping plates in riveted joint are bevelled? State the usual angle of bevelling.

j.       What is stud or stud bolt?

Section –B

2.     Explain different methods of dimensioning with the help of figures.

3.     Draw profile of knuckle threads by taking pitch of 20mm. clearly show the calculations and show dimensions on the drawing.

4.     Draw free hand sketch of single plate friction clutch.

5.     Draw free hand front view (upper half in section) of a gib and cotter joint.

6.     Explain different methods to draw a circle in auto CAD.

Section –C

7.     Assemble the parts of Screw jack given in fig. 1 and draw the following view:

a.     Elevation (Right half in section )

b.     Top view

8.     Assemble the part of a Stop valve given fig. 2 and draw the following views:

a.     Elevation right half in section

b.     Plan

9.     Assemble the part of a Plummer block given in Fig. 3 and draw the following views:

a.     Elevation right half in section

b.     Plan

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Machine Drawing Question Paper of 3rd Semester AE Download Previous Years Question Paper 5

Roll no……………..

Total no. of Questions:09]

B.Tech. (sem.-3^rd)

MACHINE DRAWING

SUBJECT CODE: BTAE-306

PAPER ID:[A1156]

Time : 03 Hours

Instruction to Candidates:

INSTRUCTIONS TO CANDIDATE:

1.     SECTION-A is compulsory consisting of Ten question carrying Two marks each.

2.     SECTION-B contains FIVE questions carrying Five marks each and students has to attempt any four questions.

3.     SECTION –C contains Three questions carrying Ten marks each and students has to attempt any Two questions.

4.      

SECTION-A

1. Write briefly :

a. What do you mean by the term caulking?

b. Acme thread is combination of ........... and ............ type of thread.

c. Name any two ways of locking the nuts on bolts.

d. What is the use of Union pipe joint in a piping circuit?

e. Draw the symbols for the following welded joints along with the illustrations.

i) Single V-Butt Weld

ii) Square Weld

f. Name any two types of pipe joints.

g. What material is preferred for brasses in Plummer Block and why?

h. Name two parts rotating parts in an IC engine.

i. What is the function of steam stop valve?

j. Which type of thread is used in Screw jack applications and why?

SECTION-B

2. Draw free hand proportionate neat sketches for the following :

a. Rag Foundation Bolt.

b. Use of lock nut for locking.

3. Draw Plan of triple riveted lap joint (zigzag type) for connecting two

plates of thickness 9 mm. Use appropriate empirical relations and show

at least 2 rivet heads along each row of rivets. Use Pan head rivets in the

joint.

4. Figure 1 shows details of Gib and cotter Joint for square rods. Assemble

the parts and draw the front view of the given assembly.

5. Figure 2 shows the upper half sectional front view of socket and spigot

type pipe joint. Draw the full sectional front view of assembly.

6. Figure 3 shows the details of Oldham’s Coupling. Assemble the given

parts and draw the side view of the assembly looking in the direction of

arrow. Assume D = 30 mm.

SECTION-C

7. Figure 4 shows the partial details of Plummer Block. Assemble the given

components and draw the full sectional front view of assembly.

8. Figure 5 shows the details of Crane Hook. Assemble the given components and draw the front view of assembly. Hook details up to section marked as c-c may be shown in the assembly.

9. Figure 6 shows the partial details of 50 mm steam stop valve. Assemble

the given components and draw the full sectional front view of assembly.

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Machine Drawing Question Paper of 3rd Semester AE Download Previous Years Question Paper 4

Roll no……………..

Total no. of Questions:09]

B.Tech. (sem.-3^rd)

MACHINE DRAWING

SUBJECT CODE: ME-207

PAPER ID:[A0804]

Time : 03 Hours

Instruction to Candidates:

1.     SECTION-A is compulsory consisting of Ten question carrying Two marks each.

2.     SECTION-B contains FIVE questions carrying Five marks each and students has to attempt any four questions.

3.     SECTION –C contains Three questions carrying Ten marks each and students has to attempt any Two questions.

SECTION –A

1. (a) Draw the symbol of third angle projection system.

(b) Illustrate the aligned system of dimensioning.

(c) What is the difference between pitch and lead of a screw thread ?

(d) When is a universal coupling used ?

(e) What is the purpose of a clutch ?

(f) Differentiate between a key and a cotter.

(g) Draw the freehand sketch of a square – headed bolt.

(h) What is a bilateral tolerance ?

(i) Give an example of the indication of machining allowance.

(j) What is fullering ?

SECTION-B

2. Draw a BSW thread and show its full details.

3. Draw the sectional front view and top view of a double riveted lap joint (zig –zag type).Take diameter of rivet as 24 mm.

4. Draw the their views of a hexagonal nut for a bolt 24 mm diameter.

5. Draw the half – Sectional Front view and side view of a spigot and socket joint an a proportionate scale.

6. Describe the various commands available in Auto CAD to draw a circle.

SECTION- C

7. Figure -1 shows the details of Plummer block. Assemble the parts and show its half – sectional front view.

8. Figure-2 shows the pictorial view of a foot step bearing Draw its full sectional Front view.

9. Figure-3 shows the flange, key and shaft o be connected in a flange coupling. Assemble the parts along with nuts and bolt and show the half sectional front view of the assembly.

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Machine Drawing Question Paper of 3rd Semester AE Download Previous Years Question Paper 3

Roll no……………..

Total no. of Questions:09]

B.Tech. (sem.-3^rd)

MACHINE DRAWING

SUBJECT CODE: BTAE-306

PAPER ID:[A1156]

Time : 03 Hours

Instruction to Candidates:

INSTRUCTIONS TO CANDIDATE:

(i)Section –A, is Compulsory.

(i)Attempt any four questions from Section-B.

(i)Attempt any two questions from Section-C

SECTION –A

Q.1.(a) What do you mean by the term fullering?

(b) What is the use of foundation bolts?

(c) why expansion joints are required in a piping system?

(d) Define the terms-Major Diameter and Minor diameter for a nut.

(e) ___ type of threads are used for fastening and ____ type of threads are used for Transmitting motion.

(f) Draw the symbols for the following welded joints along with the illustrations. - Square But Weld - Filet Weld

(g) What is the advantage of using angular Plummer block over simple Plummer Block?

(h) Name two parts reciprocating parts in an IC engine.

(i) What is the function of blow of cock valve?

(j) Differentiate between sunk and saddle key. 10×2

Section –B

Q.2. Draw free hand proportionate front view of the assembly of square headed bolt and hex nut along with a washer.

Q.3. Draw Plan of triple riveted lap joint (chain type) for connecting two plates of thickness 9 mm. Use appropriate empirical relations and show at least 2 rivet heads along each row of rivets. Use Pan head rivets in the joint.

Q.4. Figure 1 shows the details socket and spigot Joint. Assemble the given parts and draw the front view of assembly.

Q.5. Figure 2 shows the details of expansion type pipe joint. Draw full sectional side view of the assembly at section Y-Y.

Q.6. Figure 3 shows the details of unprotected type flange coupling. Assemble the given parts and draw the side view of the assembly looking in the direction of arrow “A”. Assume D=30 mm

Q.7. Figure 4 shows the details of bushed bearing. Draw the full sectional front view of assembly looking in the direction of the arrow marked as “F”

Q.8. Figure 5 shows the details of screw jack. Assemble the given components and draw the full sectional front view of assembly.

Q.9. Figure 6 shows partial the details of 50 mm steam stop valve. Assemble the given components and draw the full sectional front view of assembly.

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Machine Drawing Question Paper of 3rd Semester AE Download Previous Years Question Paper 2

Roll no……………..

Total no. of Questions:09]

B.Tech. (sem.-3^rd)

MACHINE DRAWING

SUBJECT CODE: ME-207

PAPER ID:[A0804]

Time : 03 Hours

Instruction to Candidates:

1.     SECTION-A is compulsory consisting of Ten question carrying Two marks each.

2.     SECTION-B contains FIVE questions carrying Five marks each and students has to attempt any four questions.

3.     SECTION –C contains Three questions carrying Ten marks each and students has to attempt any Two questions.

SECTION –A

l. Write briefly :

(a) Mention various types of bearings.

(b) Name two head forms of rivets.

(c) What is Pitch?

(d) Draw the symbol of third angle projections.

(e) Draw the free hand sketch of hexagonal bolt.

(f) What are the functions of connecting rod in IC engines?

(g) Sketch the convention of a round section.

(h) The root angles in BIS metric thread and BSW threads are respectively ................ and ................ .

(i) What is Lead?

(j) What is the specific use of an expansion pipe joint?

SECTION-B

2.Draw by a conventional method a right handed square thread. Take outside

diameter = 64 mm, threaded length = 65 mm, and pitch = 15 mm.

3. Two steel plates, each 15 mm thick are joined by a single riveted lap

joint. Draw two views to full size. Show 4 rivets and section line in plan.

4. Discuss the use of following commands available in Auto-CAD :

(a) Explode

(b) Offset

(c) Mirror.

5. Draw free hand upper half sectional-front elevation of a protected type flange coupling on proportionate scale.

6. Represent two views of hexagonal nut and square nut with proportions

and die of bolt as 30mm.

SECTION-C

7. Draw the sectional top view and front view of the petrol engine connecting rod from the given figure 2 and part list :Part list

Part No            Name                    Material                        Qty.

1                                Rod                      Forged steel                   1

2                                Cap                     Forged steel                   1

3                               Bearing brass       Gun metal                      2

4                     Bearing bush        Phosphor bronze           1                

5                                Bolt                    Medium carbon steel      2

6                                Nut                     Medium carbon steel      2

8. Figure below shows the pictorial view of a FOOT STEP BEARING.

Draw to a conventional scale the following:

(a) Full sectional front view.

(b) Top View.

9. Figure below shows flanges, keys and shafts to be connected in a flange

coupling, Assemble and draw elevation and side view in full. Note that

nuts and bolts are to be added.

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Machine Drawing Question Paper of 3rd Semester AE Download Previous Years Question Paper 1

Roll no……………..

Total no. of Questions:09]

B.Tech. (sem.-3^rd)

MACHINE DRAWING

SUBJECT CODE: BTAE-306

PAPER ID:[A1156]

Time : 03 Hours

Instruction to Candidates:

1.     SECTION-A is compulsory consisting of Ten question carrying Two marks each.

2.     SECTION-B contains FIVE questions carrying Five marks each and students has to attempt any four questions.

3.     SECTION –C contains Three questions carrying Ten marks each and students has to attempt any Two questions.

4.      

SECTION -A

l. Write briefly :

a. What is difference between allowance and tolerance?

b. Why sectional views are used in drawing?

c. The root angles in BIS metric thread and BSW threads are respectively __________and_____________?

d. Why are split muff coupling used in preference with solid muff?

e. Why brasses are used in connecting rod ends and why are these made of soft metals?

f. What is blow-off cock and where it is used?

g. What are the functions of steam stop valve?

h. What is the advantage of providing bush in a bearing and what is the

material of bush?

i. Draw the free hand sketch of hexagonal bolt.

j. What is the use of tailstock in a lathe and how is it operated? Punjab Technical University

SECTION-B

2. What are the different types of machine drawing? Explain Production drawing in detail.

3. Draw plan and sectional elevation of a double riveted butt joint (Single

cover and chain riveting). Take diameter of rivet: 25 mm.

4. Draw free hand upper half sectional-front elevation of a protected type

flange coupling on proportionate scale.

5. What is the strength of transverse fillet welded joint?

6. Discuss the various commands available in Auto-CAD to draw a pentagon.

SECTION-C

7. Draw the full sectional front view and side view of the flange coupling as

shown in figure 1.

8. Draw the front view and top view of foot step bearing as shown in

figure 2.

 9. Figure-3 shows the details of a Lathe tail stock. Assemble all the parts and draw the Front View.

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