zielsicher Englisch, Metalltechnik, Schulbuch
Make a mind map about testing technologies on an A3 sheet, then present it to the class. Don’t forget the measuring and gauging tools. Interview one of your classmates about testing methods. Ask questions like that: Ask your partner about the tools below. Is it a measuring or gauging tool? What are these tools for? Take turns. vernier calliper feeler gauge straightedge dial gauge radius gauge protractor external micrometer limit-gap gauge Work in groups of six and discuss one of the following topics. Prepare a short presentation about your topic. The others take notes. objective testing subjective testing measuring tools gauging tools scribing scribing tools Listen to Aniri and John talking about various tools they use for measuring, gauging and scribing and name the tools they mention. vernier calliper, dial gauge, protractor, external micrometer, limit gap gauge, feeler gauge, radius gauge, straightedge, scribers, dividers What is the difference between measuring tools and gauging tools? Measuring tools determine the actual size of a length or an angle with a numerical value. Gauging compares the form or size of a work piece with a gauge to see if the work piece is within the permitted deviation. 10 A2–B1 11 A2–B1 Subjective testing includes feeling, touching, seeing, hearing or smelling, but these ways of testing are quite imprecise. What can you tell me about subjective testing? 12 A2–B1 13 A2–B1 14 A2–B1 listening 259xk7 48 Unit 8 Interaction Nur zu Prüfzwecken – Eigentum des Verlags öbv
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