ISC Class 12 Project Work in Geometrical and Mechanical Drawing

GEOMETRICAL AND MECHANICAL DRAWING (869)

CLASS XII

PAPER II (PROJECT WORK FOR CLASS XII): 20 Marks

All candidates will be required to have completed Marks out of 20 will be distributed as given below:
three project sheets, selecting at least one from
1. 3 Project sheets × 5 Marks 15 Marks
Section A (Orthographic Projections) and one from
Section B (Assembly Drawings). Each Project sheet 2. Viva-Voce (Visiting Examiner) 5 Marks
will carry 5 Marks.
TOTAL 20 Marks
The Project work will be assessed by the subject
teacher and the Visiting Examiner appointed locally
and approved by the Council.
Mark allocation for each Project sheet (5 marks)*: NOTE: No question paper for Project work will
be set by the Council.
Criteria Marks
1. Project size / completeness 1
2. Line Quality 1
3. Neatness 1
4. Accuracy 1
5. Title Block 1
TOTAL 5

1

Instructions for Project Work:
• Candidates must use A2 size (Half Imperial) drawing sheets to complete all projects. A sample project
sheet layout with specifications, is given below:

• Candidates must use the given layout and specifications to complete each project sheet.
• Accuracy, neat and clean work is expected from candidates while completing the project sheets.
• Candidates need not draw / paste the questions.
• For assembly drawing, candidates need to draw:
(i) Full sectional F.V.
(ii) T.V. by using 1st OR 3rd angle method of projection (omitting all the hidden lines)

2

PROJECT SHEETS:
Candidates are required to have completed three project sheets, selecting at least one from
Section A (Orthographic Projections) and one from Section B (Assembly Drawings).

SECTION A - ORTHOGRAPHIC PROJECTIONS
Project Sheet 1

Draw by using 1st OR 3rd angle method of projection i) F.V, ii) T.V. & iii) L.H.S.V

3

Project Sheet 2

Draw by using 1st OR 3rd angle method of projection i) F.V, ii) T.V. & iii) R.H.S.V

4

Project Sheet 3

Draw by using 1st OR 3rd angle method of projection i) F.V, ii) T.V. & iii) L.H.S.V

5

Project Sheet 4

Draw by using 1st OR 3rd angle method of projection i) F.V, ii) T.V. & iii) L.H.S.V

6

SECTION B - ASSEMBLY DRAWINGS

Project Sheet 1

Draw full sectional F.V & T.V of the following details of machine Parts. (omitting all hidden details)

7

Project Sheet 2

Draw full sectional F.V. & T.V. of the following details of machine Parts. (omitting all hidden details)

8

Project Sheet 3

Draw full sectional F.V & T.V of the following details of machine Parts. (omitting all hidden details)

9

Project Sheet 4

Draw full sectional F.V & T.V of the following details of machine Parts. (omitting all hidden details)

10

SAMPLE TABLE FOR PROJECT WORK
S. No. Unique Identification PROJECT SHEETS TOTAL MARKS
Number (Unique ID) (Total 3 sheets of 5 marks each)
of the candidate A B C D
Teacher Visiting Examiner Average Marks Viva-Voce by (C + D)
(A + B ÷ 2) Visiting Examiner
on all three project
sheets
15 Marks 15 Marks 15 Marks 5 Marks 20 Marks
1

2

3

4

5

6

7

8

9

10

*For breakup of the 5 Marks (for each project sheet) to be awarded separately by the Teacher and the Visiting Examiner, please refer to the table giving
the criteria for mark allocation for each project.

NOTE: VIVA-VOCE of 5 Marks on the Project Sheets is to be conducted only by the Visiting Examiner and should be based on the Project Sheets only.

11