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Engineering Graphics And Design
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Engineering Graphics And Design
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25 Questions

1. All dimensions and tolerances apply in a free state condition. this principle does not apply to ___ parts

2. in some ways - symmetry and concentricity are very similar. The main difference is that the former is typically concerned with the position of a center plane relative to an axis or a center plane of a datum feature.

3. Which type of english fit is inteded where accuracy of location is of prime importance and where parts require rigidity and alignment with no special requirement for bore pressure?

4. ___ is a fit where the two mating parts have intersecting nominal volumes - requiring the deformation of the parts

5. The counterpart of MMC is the ___ - which is the condition in which a feature of size contains the minimum amount of material within the stated limits of size

6. ___ holes are standard machined holes that are used to accept fillister head and hex sockets head screws

7. There are standards for specifying particular types of geometry. for example - circles are typically dimensioned as ___ - and arcs are dimensioned as radii

8. Most drawings conform to the International System of Units (SI) which is metric and uses the ____ as the standard unit; or they conform to US customary unites with standard unit of the decimal inch

9. In ___ dimensioning - features are dimensioned relative to one another

10. ___ tolerances are for individual features and are not related to any datums. This group of geometric tolerances includes straightness - flatness - circularity - and cylindricity

11. A __ line - along with its arrowheads - shows the direction and extent of a dimension

12. The accepted national standard in the united states for dimension and tolerancing is...

13. A ___ is a cylindrical or spherical surface or a set of two opposed elements or opposed parallel surfaces associated with a size dimension

14. A ___ is typically a planar surface or a feature where the normal vectors point in the same direction

15. Engineering drawings require the use of single stroke ___ lettering

16. Baseline dimension is often used for CNC machines that work from a ___ coordinate system

17. When you dimension holes - you string the symbols together in ___

18. A good analogy of the ___ control is a stack of pennies. this tolerance would control how round each penny is but not the straightness of the whole stack

19. ___ notes typically appear in the lower right hand corner of a drawing and apply to the whole drawing

20. Datums are always required for ___

21. In DG&T - the ___ reference frame is a theoretical system made up of three mutually perpendicular planes established by real features on the object.

22. In GD&T - the ___ (MMC) modifier allows the size of the zone to change if the size of the hole changes

23. For machined parts - the amount of variation - or ___ - might be relatively small

24. ___ dimensioning an tolerancing is a 4d mathematical system that allows a designer to describe the form - orientation - and location of features on a part within precise tolerance zones.

25. Dimension lines als should be at least ___ millimeters from any view - helping to avoid clutter