Class 11 - Mid term exam

St. COLUMBA’S SCHOOL

Ashok Place, N. Delhi – 110001

Mid term Exam, 20th Sep 2021

Class XI, Engineering Graphics

Time: 2 hr 30 mins MM : 50

Instructions

1. Attempt all questions.

2. All dimensions are in mm.

3. Follow the SP: 46-1988 codes (with first angle projections)

4. Use both sides of the drawing sheet, if required.

5. Missing or mismatching dimensions, if any, may be suitably assumed

6. Diagrams are not to scale. Follow the dimensions only.

7. Draw neat projections/ views.

Specific instructions:

Write titles are all places, mention dimensions, draw proper arrowheads, draw light construction and helping lines.

Q1. Draw angles of 36⁰, 72⁰ and 108⁰ (5)

Q2. Draw a regular pentagon of side 30 mm using the 4-5-6 method. (6)

Q3. A point A is 20 mm in front of the VP and 10 mm above the HP. Draw its projections. (7)

Q4. A line AB 40 mm long is placed in the VP. Its end A is 20 mm from the HP while its

other end B is 30 mm from the HP. Draw its front view and top view. (7)

Q5. A line CD 40 mm long makes an angle of 30⁰ with the HP and its top view makes

an angle 45⁰ with the VP. Draw the projections of the line CD. (7)

Q6. A square prism of base side 30 mm and axis length 70 mm has its axis inclined to the HP at 30 degrees. Draw its front view and top view. (8)

Q7. Draw the FV, TV and LHSV of a hexagonal pyramid of base side 30 mm and height

70 mm placed on its base on the HP with two of the base edges parallel to the VP. (10)

Engineering Graphics