Examination on Basic Technology
Class: JSS 1
Term: Second Term
Time: 1 Hour
Total Marks: 70

SECTION A: OBJECTIVES (40 Marks)
Instruction: Answer all questions.

1. ________ is a structure built for human habitation. (a) Building (b) Road (c) Bridge (d) River
2. Which of the following pencils is hardest? (a) 2B (b) HB (c) H (d) B
3. The main reason for using a G-clamp is to ________. (a) measure distances (b) hold work to a bench (c) cut wood (d) make holes
4. All of these are building materials except ________. (a) Sand (b) Water (c) Air (d) Blocks
5. ________ is a tool used for drawing horizontal lines on a drawing board. (a) Set square (b) Protractor (c) T-square (d) Compass
6. ________ is a workshop appliance used for holding workpieces firmly. (a) Try square (b) Bench vice (c) Scriber (d) Measuring tape
7. Which of these is not a type of building? (a) Residential (b) Commercial (c) Agricultural (d) Industrial
8. The correct step in preparing a drawing board is to ________. (a) start drawing immediately (b) clean the board and fix the paper (c) sharpen all pencils (d) find a comfortable chair
9. An example of a marking-out tool is a ________. (a) Bench vice (b) G-clamp (c) Scriber (d) Steel rule
10. The process of joining building materials together is called ________. (a) Mixing (b) Construction (c) Painting (d) Decorating
11. Which instrument is NOT typically used for drawing angles? (a) Protractor (b) Set square (c) T-square (d) Divider
12. Which of the following is a measuring tool? (a) Centre punch (b) Bench hook (c) Steel rule (d) Holdfast
13. The main reason for using cement in building is to ________. (a) make it shine (b) bind materials together (c) decorate walls (d) make it lightweight
14. All of these are drawing instruments except ________. (a) Eraser (b) Ruler (c) Hammer (d) Compass
15. All of these are workbench fittings except ________. (a) Bench vice (b) G-clamp (c) Hammer (d) Stop block
16. An example of a material used for roofing is ________. (a) Steel (b) Glass (c) Roofing sheet (d) Sand
17. The ________ is a tool used for transferring distances from a scale to a drawing. (a) Protractor (b) Divider (c) T-square (d) Set square
18. Which tool is NOT used for marking? (a) Pencil (b) Chalk (c) Scriber (d) Bench hook
19. Factories and warehouses are examples of ________ buildings. (a) Residential (b) Commercial (c) Industrial (d) Public
20. The main reason for using masking tape in technical drawing is to ________. (a) decorate the paper (b) fix the paper to the board (c) measure lines (d) draw circles
21. The correct step in using a bench vice is to ________. (a) hit it with a hammer (b) open the jaws, insert workpiece, tighten (c) paint it first (d) use it for measuring
22. Which of the following is a public building? (a) Bungalow (b) Hospital (c) Shop (d) Factory
23. Which of these is not a common type of set square? (a) 30/60 degree (b) 45 degree (c) 90 degree (d) 60/90 degree
24. Which of these is not a marking-out tool? (a) Scriber (b) Dot punch (c) Measuring tape (d) Chalk
25. Blocks are primarily used in building for constructing ________. (a) Roofs (b) Floors (c) Walls (d) Windows
26. A compass is primarily used for drawing ________. (a) Straight lines (b) Circles and arcs (c) Angles (d) Parallel lines
27. A bench hook is primarily used for ________. (a) holding large materials (b) supporting small pieces during cutting (c) measuring angles (d) tightening screws
28. A building designed for people to live in is known as a ________ building. (a) Commercial (b) Public (c) Industrial (d) Residential
29. The act of drawing without the aid of instruments is called ________. (a) Technical drawing (b) Freehand sketching (c) Mechanical drawing (d) Architectural drawing
30. The purpose of a centre punch is to ________. (a) draw circles (b) make an indentation for drilling (c) measure length (d) hold wood
31. Which of the following materials provides strength and reinforcement in concrete? (a) Sand (b) Steel (c) Water (d) Paint
32. Careful handling of drawing instruments helps to ________. (a) make them look new (b) prolong their lifespan (c) make drawing faster (d) make drawing more fun
33. A try square is used to check for ________. (a) parallel lines (b) right angles (c) curved edges (d) straightness
34. A bank is an example of a ________ building. (a) Residential (b) Commercial (c) Industrial (d) Public
35. Which of the following is a soft lead pencil? (a) 2H (b) H (c) HB (d) 2B
36. The ________ is used to mark out parallel lines along an edge. (a) Steel rule (b) Marking gauge (c) Try square (d) Scriber
37. The main function of glass in a building is for ________. (a) decoration (b) allowing light (c) holding walls (d) supporting roof
38. When sketching freehand, it is important to develop good ________. (a) Speed (b) Accuracy (c) Hand-eye coordination (d) Instrument use
39. A measuring tape is best suited for measuring ________. (a) short, precise lengths (b) large, irregular lengths (c) angles (d) curves
40. A pencil is commonly used as a marking tool on ________. (a) metal (b) wood (c) glass (d) concrete

SECTION B: THEORY (30 Marks)
Instruction: Answer any THREE questions.

1. (a) List two types of residential buildings. (2 marks)
(b) State three functions of a building. (3 marks)
(c) Identify three basic safety precautions when using workshop tools. (3 marks)
(d) What is the main purpose of a bench vice in a workshop? (2 marks)

2. (a) Name two drawing instruments used for drawing straight lines. (2 marks)
(b) Explain briefly what freehand sketching means. (3 marks)
(c) List three materials commonly used for wall construction in buildings. (3 marks)
(d) Give one example of a public building. (2 marks)

3. (a) Differentiate between a measuring tool and a marking-out tool. (2 marks)
(b) Give three examples of workshop marking-out tools and their uses. (3 marks)
(c) Describe how you would care for your drawing instruments.