ENGINEERING GRAPHICS AND DESIGN
PAPER 2
GRADE 12
NSC PAST PAPERS AND MEMOS
NOVEMBER 2016
QUESTIONS | ANSWERS | ||
1 | What was Francu's responsibility? | TO CHECK THE DRAWING | |
2 | What drawing method was used to prepare the drawings? | CAD/AUTOCAD | 1 |
3 | What scale is indicated for the drawing? | 1:1 | 1 |
4 | What should all the unspecified radii be? | R3 | 1 |
5 | What material is used to manufacture the striking pin? | STAINLESS STEEL | 1 |
6 | Name the type of finish at A. | CHAMFER | 1 |
7 | Name the type of finish at B. | KNURLING | 1 |
8 | What is VIEW 3 called? | (PARTIAL)RIGHT VIEW | 1 |
9 | Determine the complete dimensions at : C: | C: ∅12 D: 86 E: 34 | 3 |
10 | How many parts make up the trigger mechanism assembly? | 9 | 1 |
11 | What is the purpose of the enlarged view at F? | SHOW DETAIL | 1 |
12 | How many surfaces need to be machined? | 6 | 1 |
13 | What direction of lay must be applied to the machined surfaces? | PARALLEL | 1 |
14 | What is the screw thread specification of the stud nut at G? | M4 × 0,8 | 2 |
15 | With reference to the tolerance, determine the maximum height of the feature at H. | 8,25 | 2 |
16 | Referring to the parts list, identify the part at J. | DOWEL PIN | 1 |
17 | In the space above the parts list(ANSWER 17), complete the view of the trigger plate by neatly constructing R10 fillet. SHOW ALL CONSTRUCTION. |
SEE BELOW | 3 |
18 | In the space below (ANSWER 18), draw , in neat freehand, the convention for a coll spring. | 3 | |
19 | In the space below (ANSWER 19), draw, in neat freehand, the symbol for the projection system used. | 4 | |
TOTAL | 30 |