BASIC TECH QUESTIONS

Basic Technology CLASS: JSS1 TIME ALLOWED: 1.30HRS 1. A title block is drawn at the (a) top left corner (b) bottom right corner (c) bottom left corner (d) top right corner 2. Energy possessed by a body by virtue of its position is called (a) motion energy (b) wind energy (c) potential energy (d) dry energy 3. Latex got from a tree is used for producing (a) natural rubber (b) glass (c) ceramic (d) plastic 4. The energy from the sun is referred to as (a) wind energy (b) heat energy (c) nuclear energy (d) solar energy 5. Which of these instruments is used for free-hand sketching? (a) set square and pencil (b) tee square and pencil (c) pencil and eraser (d) compass and pencil 6. The term ‘technology’ can be classified into (a) natural technology and artificial (b) rural technology and urban technology (c) biological and physical technology (d) under-developed and high developed technology 7. Which of the following is an enlarged scale? (a) 1:2 (b) 1:10 (c) 10:1 (d) 2:10 8. The instrument used for picking measurement from the ruler to the drawing is called (a) compass (b) tee square (c) divider (d) scriber 9. The unit of energy is (a) Joules (b) Watt (c) Ampere (d) Newton 10. A good example of soft wood is (a) Pine (b) Iroko (c) Mahogany (d) Opepe 11. Which of the following drawing instruments is used for vertical and diagonal lines? (a) steel rule (b) set square (b) divider (d) metre rule 12. A metal which contains iron is known as (a) ferrous (b) aluminium (c) bronze (d) copper 13. In thermionic emission, electrons are emitted by (a) force (b) heating (c) photocells (d) radiation 14. A process of enlarging or reducing the size of drawing is known as (a) isometric drawing (b) orthographic drawing (c) scale drawing (d) oblique drawing 15. The process of liberating electrons by the use of kinetic energy is known as (a) secondary emission (b) thermionic emission (c) cold-cathode emission (d) photo-electric emission 16. The stock and blade of a Tee-square form an angle of (a) 30o (b) 60o (c) 90o (d) 120o 17. Natural rubber is made from a milky liquid called (a) latex (b) solution (c) plasticine (d) moisture 18. What takes place when a force moves through a distance? (a) power is multiplied (b) force is multiplied (c) work is done (d) heat is generated 19. The ability to do work is called (a) energy (b) power (c) weight (d) force 20. A method by which electron are liberated by the use of light is called (a) secondary emission (b) photo electric emission (c) cold cathode emission (d) solar emission 21. An object drawn to full scale is represented by scale (a) 1:1 (b) 2:1 (c) 1:2 (d) 1:1/2 22. Curves line are drawn with (a) French curves (b) Set square (c) Ruler (d) Divider 23. Which of the following is NOT a hardwood? (a) Obeche (b) Mahogany (c) Pine (d) Iroko 24. When is preventive maintenance carried out on a machine? (a) before the machine breaks down (b) after the machine had broken down (c) when the machine is to be sold (d) when the machine is overheating 25. The full meaning of ICT is (a) Information Company Technology (b) Information and Communication Technology (c) Information Centre Transmission (d) Information and Communication Transmission 26. Ceramic is made from (a) clay (b) wood (c) metal (d) iron 27. The unit of work is (a) Metre (b) Second (c) Joules (d) Kilogram 28. Another name for thermionic emission is ………… emission. (a) primary (b) light (c) darkness (d) smooth 29. ________ is used to drive nails into woods. (a) spanner (b) screw-driver (c) tee-square (d) hammer 30. A metal which does not contain iron is known as ………….. metal. (a) thick (b) non-ferrous (c) brown (d) ferrous 31. Try square is an example of …………. tools (a) setting and marking out (b) boring (c) driving (d) cutting 32. The name given to a particular hammer depends on its (a) head (b) handle (c) length (d) smoothness 33. Which of the following is used to drive screws in and out of woods? (a) hammer (b) screwdriver (c) spanner (d) plier 34. Mechanical energy is of ………… types. (a) 2 (b) 3 (c) 4 (d) 5 35. What type of maintenance does a roof leakage need? (a) predictive maintenance (b) advance maintenance (c) corrective maintenance (d) preventive maintenance 36. ________ is used to store electrical charges. (a) capacitor (b) resistor (c) wood (d) plastic 37. A single storey building is referred to as (a) mansion (b) skyscraper (c) duplex (d) bungalow 38. We get cement from (a) charcoal (b) ashes (c) dust (d) limestone 39. ________ is used to hold the drawing paper firm on the drawing board. (a) rope (b) rubber (c) paper tape (d) nail 40. Which of the drawing instruments looks like letter ‘T’? (a) Tee-square (b) Protractor (c) Set square (d) Metric Rule THEORY Answer all questions. 1. What are measuring tools? b. List 3 examples of measuring tools? c. Mention 2 examples of driving tools 2. Define (i) Energy (ii) Work b. List 6 forms of energy. 3. What is emission? b. List four electronic devices. c. Mention four methods of emission. 4. Write out five common building materials. b. Name these architectural symbols.