Richard Dai Essay

731 Words Apr 15th, 2013 3 Pages
ETG3031 – GD&T Winter 2013

Test #2 (Chapter 5 to 7)

1. In this drawing, which datum is secondary? a. A b. B c. C d. None of the above [pic] 2. Based on the drawing, datum B is __________ datum feature. a. A planar b. A centerplane c. An axis d. An invalid [pic] 3. On the drawing, datum feature A consists of ________ surface(s). a. 0 b. 1 c. 2 d. None of the above [pic] 4. Basic dimensions are used to describe datum target locations to reduce gage variation. T or F 5. A datum target should not be used when the part may rock or wobble when the datum feature contacts the datum plane. T
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The tolerance zone for the orientation of hole B is. . . a. Two parallel lines 0.6 apart b. Two parallel planes 0.4 apart c. A 0.6 diameter cylinder d. A 0.4 diameter cylinder [pic] 15. The best geometric control to tolerance the orientation of surface D to datum plane A is. . . a. angularity b. perpendicularity c. position d. parallelism [pic] 16. The tolerance zone for angle A is. . . a. 0° b. ± 2° c. 0.2 d. undefined [pic] 17. A cylindrical tolerance zone automatically applies when a perpendicularity control is applied to a cylindrical feature of size. T or F 18. If the hole was 10.2 in diameter, its perpendicularity tolerance zone would be. . . a. 0.2 b. 0.4 c. 0.6 d. 0.8 [pic] 19. When the MMC modifier is specified in a perpendicularity control. . . a. No bonus tolerance is permissible b. The tolerance zone is cylindrical c. The control is illegal d. a bonus tolerance is permissible 20. In this application, the gage distance X is. . . a. 0.2 b. 9.8 c. 10.2 d. 10.6 [pic] 21. A typical angularity application is to control the location of a surface. T or F 22. When an angularity control is specified, the toleranced feature must have a toleranced angle relative to

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