DEPARTMENT OF MECHANICAL ENGINEERING, GECBH, TVPM INTERNAL LAB EXAM – February 2022 MEL 201 COMPUTER AIDED MACHINE DRAWING SET A Duration: 2 hours Marks: 50 Note: a) All dimensions in mm b) Assume missing dimensions appropriately PART A (SKETCHING) [10 marks] (Answer any ONE question) 1. Draw the sectional front view and top view of Double Riveted Chain type lap joint for plate thickness 12mm. Show all dimensions in terms of the diameter of the rivet. Use snap head rivets. 2. Draw the front view of Lewis End Foundation bolt, of size M20. Show all dimensions in terms of diameter. PART B (CAD DRAWING) [40 marks] 3. An isometric view of the Flanged Coupling (Protected type) is shown below. Draw the following views using AutoCAD. Dimensioning carries 5 marks. a. Top Half Sectional Elevation (25 marks) b. Left Side View (10 marks) DEPARTMENT OF MECHANICAL ENGINEERING, GECBH, TVPM INTERNAL LAB EXAM – February 2022 MEL 201 COMPUTER AIDED MACHINE DRAWING SET B Duration: 2 hours Marks: 50 Note: a) All dimensions in mm b) Assume missing dimensions appropriately PART A (SKETCHING) [10 marks] (Answer any ONE question) 1. Draw the sectional front view and top view of Single Riveted Single Strap Butt joint for plate thickness 12mm. Show all dimensions in terms of the diameter of the rivet. Use snap head rivets. 2. Draw the front view of Rag End Foundation bolt, of size M20. Show all dimensions in terms of diameter. PART B (CAD DRAWING) [40 marks] 3. An isometric view of the Flanged Coupling (Unprotected type) is shown below. Draw the following views using AutoCAD. Dimensioning carries 5 marks. a. Top Half Sectional Elevation (25 marks) b. Left Side View (10 marks) DEPARTMENT OF MECHANICAL ENGINEERING, GECBH, TVPM INTERNAL LAB EXAM – February 2022 MEL 201 COMPUTER AIDED MACHINE DRAWING SET C Duration: 2 hours Marks: 50 Note: a) All dimensions in mm b) Assume missing dimensions appropriately PART A (SKETCHING) [10 marks] (Answer any ONE question) 1. Draw the front view of Castle Nut with a Split Pin locking arrangement, for M16. Show all dimensions in terms of the diameter of bolt. 2. Draw the front view of Eye End Foundation bolt, of size M20. Show all dimensions in terms of diameter. PART B (CAD DRAWING) [40 marks] 3. An isometric view of the Socket and Spigot Joint is shown below. Draw the following views using AutoCAD. Dimensioning carries 5 marks. a. Top Half Sectional Elevation (25 marks) b. Left Side View (10 marks) DEPARTMENT OF MECHANICAL ENGINEERING, GECBH, TVPM INTERNAL LAB EXAM – February 2022 MEL 201 COMPUTER AIDED MACHINE DRAWING SET D Duration: 2 hours Marks: 50 Note: a) All dimensions in mm b) Assume missing dimensions appropriately PART A (SKETCHING) [10 marks] (Answer any ONE question) 1. Draw the sectional front view and top view of Double Riveted Zig-Zag type lap joint for plate thickness 14mm. Show all dimensions in terms of the diameter of the rivet. Use snap head rivets. 2. Draw the front view of Nut with a Spring Washer locking arrangement, for M20. Show all dimensions in terms of the diameter of bolt. PART B (CAD DRAWING) [40 marks] 3. An isometric view of the Gib and Cotter is shown below. Draw the following views using AutoCAD. Dimensioning carries 5 marks. a. Top Half Sectional Elevation (25 marks) b. Left Side View (10 marks) DEPARTMENT OF MECHANICAL ENGINEERING, GECBH, TVPM INTERNAL LAB EXAM – February 2022 MEL 201 COMPUTER AIDED MACHINE DRAWING SET E Duration: 2 hours Marks: 50 Note: a) All dimensions in mm b) Assume missing dimensions appropriately PART A (SKETCHING) [10 marks] (Answer any ONE question) 1. Draw the sectional front view and top view of Single Riveted Double Strap Butt joint for plate thickness 10mm. Show all dimensions in terms of the diameter of the rivet. Use snap head rivets. 2. Draw the front view of Lewis End Foundation bolt, of size M20. Show all dimensions in terms of diameter. PART B (CAD DRAWING) [40 marks] 3. An isometric view of the Knuckle Joint is shown below. Draw the following views using AutoCAD. Dimensioning carries 5 marks. a. Top Half Sectional Elevation (25 marks) b. Left Side View (10 marks)
