Copyright Goodheart-Willcox Co., Inc. Name _____________________________________________________________________ 35 9. Which of the following methods uses the rectangular coordinate system to locate the features of a part according to linear distances from the X, Y, and Z axes? A. Descriptive geometry B. Geometric tolerancing C. Polar coordinate dimensioning D. Coordinate tolerancing 10. A(n) _____ tolerance is permitted to vary in both the plus (+) and minus (–) directions from the specified dimension. A. bilateral B. specified C. basic D. interchangeable 11. A _____ dimension is the part of the dimension from where the limits are calculated. A. basic B. reference C. specified D. limit 12. A _____ is a theoretically perfect plane, surface, point, line, axis, or a combination thereof, derived from the true geometric counterpart. A. datum B. datum feature C. datum feature simulator D. simulated datum 13. A _____ is a physical boundary used to establish a simulated datum from a specified datum feature. A. datum plane B. datum feature C. datum feature simulator D. true geometric counterpart 14. A _____ is an actual feature of a part used to establish a datum. A. simulated datum B. datum feature C. datum feature simulator D. true geometric counterpart 15. A _____ is a point, axis, line, or plane, or a combination thereof, derived from a datum feature simulator. A. datum B. simulated datum C. datum feature D. true geometric counterpart 16. Tolerance accumulation is associated with chain dimensioning and _____. A. descriptive geometry B. model geometry C. geometric tolerancing D. coordinate tolerancing 17. A(n) _____ model is a 3D model in which dimensions and GD&T information are applied directly to the model geometry. A. surface B. associated C. annotated D. engineering 18. Model-based definition is also referred to as _____. A. digital product definition B. product and manufacturing information C. computer numerical control D. engineering drafting 19. A _____ relies on an associated model to define features. A. feature control frame B. basic dimension C. true geometric counterpart D. limited dimension drawing