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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. Lack of essential vitamins and minerals resulting from unbalanced food intake and specific problems of food absorption






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. The initial impetus for the development of a new product is generated from a demand from the market






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






5. Small changes to the design of a product that seem trivial but the cumulative effect of which over a longer period can be very significant






6. A short length of extruded pipe for use in blow moulding






7. A broad way of categorizing the kinds of market the company is aiming for






8. The calculation and simulation of unknown factors in products using CAD systems. for example simulating the stresses within a welded car part






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






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. A conscious act either to ensure a continuing market or to ensure that safety factors and new technologies can be incorporated into later versions of the product






12. Increased body weight in relation to height - when compared to some standard of acceptable or desirable weight. a body mass index of more than 25 is defined as overweight by the World Health Organization. overweight may or may not be due to increase






13. Designing in a way that takes account of the environmental impact of the product throughout its life






14. A plant or animal in which the DNA has been altered through the insertion of genetic material from another source. genetic modification is the most often used in agricultural crops to increase the resistance to herbicides or to engineer pesticides in






15. Tool path is circular - which is useful for round and curved objects






16. A functional prototype - or a functional appearance model - is a prototype that 'looks like' and 'works like' a production product. although they are made from prototype materials - these models simulate actual finishes and colours as well as mechani






17. Markets divided up into smaller groups where the purchasers have similar characteristics and tastes






18. A style or trend






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






20. Tool path is determined by individual Z coordinates across the product






21. Designing taking account of assembly at various levels - for example - component to component - components into sub- assemblies and sub- assemblies into complete products






22. To combine multiple signals for transmission over a single line or medium






23. 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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24. X -Y -Z plus additional rotary motion e.g. Lathe with milling head






25. A computer program that attempts to simulate an abstract model of a particular system






26. An evaluation of the actual performance of the task or learning objective using the conditions under which it will be performed and the absolute standard for acceptable performances






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






28. Long- term aims and objectives of a company and ways of achieving them by allocation of resources






29. Using the materials from obsolete products to create other products.






30. Food becoming unfit for consumption - for example - due to chemical or biological contamination






31. The exposure of protein to heat or acid - which results in irreversible changes that reduce solubility and change optical characteristics






32. The process of discovering a principle. a technical advance in a particular field often resulting in a novel product






33. A measure of how fast heat is conducted through a slab of material with a given temperature difference across the slab.






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






35. Sliced CAD data and cuts each layer from a roll of material using a laser or plotter cutter. Sliced layers are glued together to create model.






36. Fabric with technology enhanced performance used in smart clothing - for example - enhanced stain resistance - breathability or incorporating input sensors






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






38. Employs inkjet technology. Linear array of nozzles deposit molten wax on a platform layer by layer to build a 3D model.






39. The rate of flow of electrons






40. A small- scale production process centred on manual skill






41. X and Y axes for cutting e.g. CNC Lathe






42. Involves a company both in the development of new products and in selling those products to new companies






43. The use of consumer reports and newspaper items to follow historical development. useful sources of information could include CD-Roms - such as encyclopedias and newspapers - or more specific discs - subject specific magazines - and manufacturers' in






44. In chemistry - an amino acid is any molecule that contains both amino and carboxylic acid functional groups. in biochemistry - this is shorter and more general term is frequently used to refer to alpha amino acids in which the amino and carboxylate f






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






46. The production of large amounts of standardized products on production lines - permitting very high rates of production per worker






47. A type of fastening that is not supposed to be removed. it is only possible to remove such joins by drilling - cutting or grinding the join away






48. 3D printing process using a vat of photosensitive resin and a vertically moving platform. Laser beam directed onto surface of resin to print patter of current model's layer by hardening resin. Platform then moves down by a layer thickness so the next






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






50. Coordination - based code that also includes feed speed and stop/start







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