Mid-Term Assessment and Break

Subject: Basic Technology
Class: JSS 3
Term: First Term
Week: Mid-Term Assessment
Age: 12–15 years
Duration: 60 minutes

Assessment Components

Part A: Objective Questions (Multiple Choice)

Provide answers by selecting the correct option (a, b, c, or d).

1. An example of a manufactured board is __________.
   (a) Pinewood (b) Plywood (c) Mahogany (d) Teak
2. The process of cutting logs into boards is known as __________.
   (a) Seasoning (b) Conversion (c) Felling (d) Preservation
3. __________ is used to protect wood from insects and fungi.
   (a) Seasoning (b) Varnish (c) Plaster (d) Paint
4. Which drawing method shows objects in 3D using 30-degree angles?
   (a) Orthographic (b) Oblique (c) Isometric (d) Scale
5. A __________ shows the internal structure of a building.
   (a) Floor plan (b) Section (c) Elevation (d) Foundation
6. The swing of a door is represented on a plan by a __________.
   (a) Solid line (b) Dashed line (c) Quarter circle (d) Parallel line
7. An alloy is a combination of __________.
   (a) Metals (b) Plastics (c) Ceramics (d) Wood
8. A staircase is represented by __________ lines on a building plan.
   (a) Dashed (b) Parallel (c) Curved (d) Solid
9. Which of these materials is processed by molding?
   (a) Rubber (b) Glass (c) Wood (d) Alloy
10. Which type of projection uses 1st and 3rd angles?
    (a) Isometric (b) Oblique (c) Orthographic (d) Perspective
11. What does a north arrow indicate?
    (a) Scale (b) Building orientation (c) Elevation (d) Dimension
12. __________ is the process of drying wood to reduce moisture content.
    (a) Conversion (b) Seasoning (c) Felling (d) Cutting
13. A material made from a mixture of sand and clay is called __________.
    (a) Glass (b) Ceramic (c) Plastic (d) Metal
14. Which drawing method shows objects with a receding angle of 45 degrees?
    (a) Orthographic (b) Oblique (c) Isometric (d) Perspective
15. An orthographic drawing represents __________ views.
    (a) 2D (b) 3D (c) Plan and elevation (d) Isometric
16. Plastics are processed through __________.
    (a) Molding (b) Casting (c) Seasoning (d) Welding
17. __________ symbols represent electrical outlets on blueprints.
    (a) Circle (b) Triangle (c) Square (d) Quarter circle
18. Which material is transparent and brittle?
    (a) Plastic (b) Glass (c) Rubber (d) Ceramic
19. What is the purpose of varnish in woodwork?
    (a) To decorate (b) To preserve (c) To protect (d) To cut
20. Which drawing method gives the illusion of depth by converging lines?
    (a) Orthographic (b) Oblique (c) Perspective (d) Scale

Part B: Theory Questions (Short Answer)

1. Define orthographic projection.
2. What is the purpose of conversion in wood processing?
3. List two types of manufactured boards.
4. Explain the concept of seasoning in wood processing.
5. State two uses of ceramics.
6. Draw a simple isometric view of a cube.
7. What is the difference between a section and an elevation?
8. Define an alloy and give one example.
9. What does a quarter circle on a building plan represent?
10. Mention two types of plastics.
11. Explain the term “scale drawing.”
12. What are the key components of a floor plan?
13. List two common symbols used in electrical blueprints.
14. State one difference between oblique and isometric drawings.
15. How are stairs represented on a blueprint?
16. Why is blueprint reading important in construction?
17. What is the significance of the north arrow on a plan?
18. List two items processed with rubber.
19. What are the two main types of orthographic projection?
20. Describe the use of varnish in wood preservation.

Part C: True or False Questions

1. A solid line represents a wall on a blueprint. (True/False)
2. Glass is processed by molding. (True/False)
3. Plastics cannot be recycled. (True/False)
4. A foundation plan shows the roof structure of a building. (True/False)
5. Oblique drawings use 30-degree angles. (True/False)
6. Ceramics are made from metal alloys. (True/False)
7. Seasoning wood helps reduce moisture content. (True/False)
8. An elevation view shows the internal layout of a building. (True/False)
9. Isometric drawings show objects in 2D only. (True/False)
10. A section view cuts through a building to show internal details. (True/False)
11. A dashed line on a plan indicates a window. (True/False)
12. The north arrow indicates the direction of the wind. (True/False)
13. Manufactured boards are stronger than natural wood. (True/False)
14. Alloys are a combination of metals and wood. (True/False)
15. Blueprint reading is not necessary for construction workers. (True/False)
16. Plastics can be molded into various shapes. (True/False)
17. An orthographic drawing represents multiple views. (True/False)
18. A scale drawing reduces the size of large objects for easier interpretation. (True/False)
19. Rubber is used to make car tires. (True/False)
20. Wood varnish protects against moisture. (True/False)

Part D: Fill-in-the-Gap Questions (No Options)

1. __________ is the process of drying wood to reduce moisture content.
2. A __________ shows the top view of a building’s layout.
3. __________ is the material used to make windows and mirrors.
4. The __________ arrow indicates the direction of a building.
5. __________ is a transparent material that is both brittle and fragile.
6. An __________ drawing shows objects at 30-degree angles.
7. The combination of two or more metals forms an __________.
8. A __________ plan shows the internal layout of rooms.
9. __________ symbols represent electrical sockets on blueprints.
10. The purpose of __________ is to protect wood surfaces from damage.
11. __________ is the process of cutting logs into boards.
12. __________ and __________ are two types of orthographic projection.
13. __________ is the process of molding materials into desired shapes.
14. A __________ view shows the interior details of a building.
15. __________ drawings use vanishing points to create depth.
16. __________ is a material commonly used in making ceramics.
17. A __________ drawing reduces or enlarges objects to fit on paper.
18. __________ boards are made from compressed wood particles.
19. A __________ circle on a plan shows the swing direction of a door.
20. __________ is the method used to process plastics into usable forms.

Conclusion

This mid-term assessment covers all the key topics taught so far. Students are encouraged to review their work and prepare thoroughly for the final term exams.