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IB Design Technology Vocab

Subjects : engineering, ib
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. This is the factor in which the machines multiplies the force put into it






2. The biological value of a protein refers to how much of the nitrogen content of food is retained by the body. the biological value of proteins ranges from 50% to 100% and is a measure of how much dietary protein source can support growth






3. Water that contains animal - human or food waste and would not be reused for other purposes






4. Pleasures derived from satisfying peoples taste - values and aspirations






5. A measurement of the relative percentages of fat and muscle mass in the human body - in which weight in kilograms is divided by height in metres and the result used as and index of obesity






6. Where a completely new product is devised by going back to the roots of a problem and thinking about a solution in a different way.






7. The most efficient way of designing and producing a product from the manufacturer's point of view






8. A 3D representation of an object drawn with the horizontal plane at 30






9. A designer creates a part geometry independent of the assembly or any other component. although there are often some design criteria established before modelling the part - this information is not shared between models. once all part models are compl

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10. Representative users perform realistic tasks by interacting with a paper version of the user- product interface that is manipulated by a person acting as a computer - who does not explain how the interface works






11. Limited volume production (a set number of items to be produced)






12. Designing to enable the product to be manufactured using a specific manufacturing process - for example - injection moulding






13. This is a measure of a material's ability to conduct electricity. a material with low electrical resistivity will conduct electricity well.






14. The resistance of an elastic body to deflection by an applied force.






15. Someone who needs some convincing before embracing technological change.






16. An individual (often craft- produced) article or a prototype for a larger- scale production






17. That proportion of a population with a dimension at or less than a given value






18. A form of group think. a group with a recommended size of 10-12 people first devises wild ideas - all of which are written down. no criticism or evaluation is allowed until this is finished - as it is impossible to be creative and critical at the sam






19. The use of the suns energy to heat up water and air directly






20. The creation of new - modified or updated products aimed mainly at a company's existing customers.






21. A condition whereby users perceive more aesthetically pleasing designs to be easier to use than less aesthetically pleasing designs






22. The feed speed is the rate at which the cutting tools moves in x - y and z paths






23. The ability to analyse information in order to select an answer from alternatives






24. Tool path cuts straight X and Y paths






25. The ability of a material to be drawn or extruded into a wire or other extended shapes






26. A model using mathematical symbols that can be manipulated numerically






27. The quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons and is measured in coulombs






28. An isometric drawing of an object with more than one component that depicts how the parts of assemblies fit together






29. A comparative measure of poverty - literacy - education - life expectancy - childbirth and other factors for countries worldwide






30. The ability of a material to withstand pulling forces.






31. The manufacture of 3D parts by removing (cutting) unwanted material from a block






32. Refers specifically to the computer control of machines for the purpose of manufacturing complex parts in metals and other materials. Machines are controlled by a program commonly called a 'G code'. Each code is assigned to a particular operation or






33. Development that meets the needs of the present without compromising the ability of future generations to meet their own needs.






34. Low levels of food intake - which can be transitory (as a result of crisis) - seasonal or chronic (when it occurs on a continuing basis)






35. The wide acceptance (and sale) of a product






36. Designing a product so that when it becomes obsolete it can easily and economically be taken apart - the components reused or repaired - and the materials recycled






37. The application of scientific information concerning the relationship of human beings to the design of objects - systems and environments






38. An adverse food- induced reaction that does not involve the immune system






39. A sugar (a carbohydrate) composed of two monosaccharide molecules






40. Excess material on a moulded part - forming a thin fan where two parts of the mould meet






41. The process of adding the information contained - for example - in the human voice to a suitable electromagnetic carrier






42. A device that is able to laser cut and engrave 2D shapes






43. A compound that cannot be made in the body but has to be provided ready- made in the diet - for example - vitamins - essential fatty acids - and essential amino acids






44. An influential individual - usually working within an organization - who develops an enthusiasm for a particular idea or invention and 'champions' it within that organization.






45. Costs that vary with output - for example - fuel or raw materials.






46. The ability to simulate a real situation on the screen and interact with it in a near- natural way.






47. Apply technologies to improve the building environment and functionality for occupants and tenants while controlling costs to improve end- user security - comfort and accessibility and help user productivity






48. A solution to a problem in one field is used to provide a new idea for a design problem in another






49. The direct introduction to molten plastic under pressure into a die - which then cools rapidly - allowing the formed object to be released from the mould






50. A material made up of a network of natural or artificial fibres formed by knitting - weaving or pressing into felt