7BOBO-܄dHHHHHH*H*- K * -Z(`k@xHH(FG(HH(d'@/ (*|l `/|Aba*L*HUUU|&H-Kt-/9v *!4 SDSET X m***j,h@j+^j/X$h23uMN)*\]TU>?@IJRS]^_`abcdefghi   X Y b c / 0 1 2 3 4 5 6 7 8 9 x y } ~ ( 2   **|*xREADING GUIDE UNIT 10 WORKING WITH SCALE DRAWINGS 1. _______________ _______________ show machinists how to make a casting, forging, or stamping that becomes a part of a machine. 2. _______________ _______________ show people how to put the various parts together. 3. The plan that a builder uses is called a _______________. 4. Drawings, blueprints, and maps are _______________ or _______________ of the real thing they represent. 5. When the figures are exactly the same size and shape, they are called _______________ _______________. 6. The corresponding measurements of two congruent figures are in _____:_____ ratio to each other. 7. The kits that people often use to build model airplanes and cars contain _______________-_______________ models. 8. A larger that life model of an object is said to be _______________ _______________. 9. Similar figures or models have exactly the same shape, but they are not always the _______________ _______________. 10. The scale of a drawing can be represented by this ratio: _______________ _______________:_______________ _______________ 11. For a scaled down drawing, the fraction, or ratio, will be _______________ than one. 12. For a scaled-up drawing, the fraction, or ration, will be _______________ than one. 13. Draw a graphic scale where 1 inch equals 10 feet. 14. The scale tells you whether the drawing scales the real object _______________ or _______________. 15. In building drawings, all drawings can be made to the _______________ scale. 16. The scale tells you what the _______________ size the real object will be. 17. List three reasons why finding the scale by measuring is not a good idea. a. b. c. 18. To make sure that your final product is _______________ constructed, read the scale of a drawing from a _______________ and use the dimensions marked on the drawing. 19. If you are using a 1:32 scale and make a 1/8 error in measuring, the actual error in your construction will be _______________. 20. To choose a scale, you need to know two measurements: a. b. 21. Using the scale 1 cm = 4 ft, draw a box that is 12 x 16. 22. When constructing a scale drawing use a 90o _______________ to draw your right angles. 23. The key on your drawing should show the _______________. 24. A _______________ is a special kind of scale drawing that is drawn on a sphere. 25. On a _______________ map, you can feel the mountains. 26. A map with contour lines that show the elevation of the land is called a _______________ map. 27. _______________ maps are scale drawings of the natural and man-made features of the earths surface. 28. _______________ charts are maps of the coast and bodies of water. 29. _______________ charts provide information for those who fly airplanes. 30. Draw a compass rose (the top of the page is North). 31. Write the scale from Figure 10-16 in three different ways. a. b. c. DSET|(H*t8 6*8DSET(H@*p8y8jzj6*8DSETR *d*l*h   *`Unit 10 reading guideDSETR@*T*\*X/h   *P