Machine Drawing Nov2003 Rr Nr 210305

Set No. Code No:RR/NR210305

1

II B.Tech. I-Semester Regular Examinations, November-2003

MACHINE DRAWING ( Common to Mechanical Engineering, Production Engineering, Mechatronics and Aeronautical Engineering) Time: 3hours Max.Marks:80 Answer All questions All questions carry equal marks ---1.

Answer any Two of the following by drawing proportional diagrams. (a) Universal coupling to connect two shafts of φ 20mm. (b) Double rivetted lap joint of chain type to connect two plates of 10mm thick. (c) Journal bearing for a shaft of φ 40mm. (d) Sleeve type cotter joint to connect two shafts of φ 30mm.

2.

Details of Lathe Tool post are given in Fig.1. Draw the following views of the Lathe tool post with the parts assembled together. (a) Sectional front view (b) Top view (c) Side view (Left side view). Part List: Part No. 1 2 3 4 5

Name Body Wedge Ring Block Screw

Material Medium carbon steel Medium carbon steel Medium carbon steel Cold rolled steel Tool steel

Quantity 1 1 1 1 1

(Contd..2)

Code No:RR/NR-210305

-2-

Fig.1-Lathe Tool Post

!!!!!

Set No:1

Set No. Code No:RR/NR-210305

2

II B.Tech., I-Semester Regular Examinations, November-2003

MACHINE DRAWING ( Common to Mechanical Engineering, Production Engineering, Mechatronics and Aeronautical Engineering) Time: 3hours

1.

2.

Max.Marks:80 Answer All questions All questions carry equal marks ---Answer any Two of the following by drawing proportional diagrams. (a) Solid flange coupling to connect two shafts of φ 25mm. (b) Rivetted joint of double strap two rows of rivets zig-zag type to connect two plates of 10mm (c) A pivot bearing for a shaft of φ 30mm. (d) Socket and spigot pipe joint to connect two pipes of φ 50mm. Details of pipe vice are given in Fig.1. Draw the following views of the pipe vice with all the parts assembled together. (a) Sectional front view (b) Top view (c) Right side view. Part List: Part No. 1 2 3 4 5 6

Name Housing Handle Screw Handle bar Handle bar bush Jaw Set screw

Material

Quantity

C.I. M.S. M.S. M.S. C.I. M.S.

1 1 1 1 1 2

(Contd..2)

Code No:RR/NR-210305

-2-

Fig.1- Pipe vice !!!!!!

Set No:2

Set No. Code No:RR/NR-210305

3

II B.Tech. I-Semester Regular Examinations, November-2003

MACHINE DRAWING ( Common to Mechanical Engineering, Production Engineering, Mechatronics and Aeronautical Engineering) Time: 3hours

Max.Marks:80 Answer All questions All questions carry equal marks ----

1.

Answer any Two of the following by drawing proportional diagrams. (a) Flange coupling of protected type to connect two shafts of φ 30mm. (b) Rivetted joint of single strap bult joint with single row of rivets to connect to plates of thickness 12mm. (c) A collar bearing for a shaft of φ 25mm (d) Knuekle joint to connect two shafts of φ 40mm.

2.

Details of Swivel bearing are given in Fig.1. Draw the following views of the Swivel bearing with all the parts assembled together (a) Sectional front view (b) Top view (c) Right side view.

Part List: Part No. 1 2 3 4 5 6 7 8 9 10 11 12

Name Casting Bearing Spindle Lock-nut Fork Nut Set screw Set screw Disc Disc Set screw Bush

Material

Quantity

C.I. C.I M.S. M.S. Cast steel M.S. M.S. M.S. Brass Brass M.S. Brass

1 1 1 1 1 2 2 1 1 1 1 1 (Contd..2)

Code No:RR/NR-210305

-2-

Fig.1- Swivel bearing

!!!!!

Set No:3

Set No. Code No:RR/NR-210305

4

II B.Tech. I-Semester Regular Examinations, November-2003

MACHINE DRAWING ( Common to Mechanical Engineering, Production Engineering, Mechatronics and Aeronautical Engineering) Time: 3hours

Max.Marks:80 Answer All questions All questions carry equal marks ----

1.

Answer any Two of the following by drawing proportionate diagrams (a) Knuekle joint to connect two shafts of φ 50mm. (b) Muff coupling to connect two shafts of φ 40mm. (c) Expansion type pipe joint to connect two pipes of φ 100mm (d) Single rivetted lap joint to connect two plates of 5mm thick.

2.

Details of Screw Jack are given in Fig.1. Draw the following views of the Screw Jack with all the parts assembled together. (a) Sectional front view (b) Top view (c) Right side view. Part List: Part No. 1 2 3 4 5 6 7

Name Casting Nut Screw Cup Washer Set Screw Tommy bar

Material

Quantity

C.I. Gun metal M.S. Cast steel M.S. M.S. M.S.

1 1 1 1 1 1

(Contd..2)

Code No:RR/NR-210305

-2-

Fig.1. Screw Jack !!!!!!

Set No:4