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Engineering Graphics And Design

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. ___ holes are used for applications with flat head and oval head screws






2. ___ is a 2D control similar to circulatirty or roundness. the main difference is that it controls a surface relative to a datum axis.






3. ___ fits are typically associated with selective assembly






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






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






6. In GD&T - ___ of a surface specifies a 3D tolerance zone defined by two contoured surfaces. When a datum reference is not specified - the tolerance controls only the shape of the contour. When datums are specified - the tolerance controls the shape o






7. All datum simulators must be at least ___ times better in quality than the tolerances specified on the drawings to be considered datum simulators






8. Datums are not allowed for v






9. Unless otherwise specified - all dimensions are applicable at ___ degrees celsius. compensation may be made for measurements made at other temperatures..






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






11. ___ dimensioning usually yields the largest accumulation of tolerance between features.






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






13. 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






14. Datums are always required for ___






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






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






17. 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






18. The main focus of GD&T is the ___ frame which contains the geometric characteristic symbol - the geometric tolerance - and the relative datums.






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






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






21. A good rule of thumb to follow when dimensioning is to dimension only visible or ___ lines






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






23. ___ 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.






24. A thin - dark - solid lien extending from a point on an object and perpendicular to a dimension line is called an ___






25. ___ refers to a fit where there is space between the two mating parts.






26. Which type of metric fit is suitable for parts that can be highly stressed or for shrink fits where the heavy pressure forces required are impractical?






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






28. ___ is the difference between the maximum material limits of mating parts






29. Which type of dimensiong offers the best way to eliminate toelrance accumulation?






30. A numerical value expressed in appropriate units of measure and used to define the size - location - geometric characteristic - - or surface texture of a aprt or part feature is a ___






31. ___ are used to direct a dimension - note - or symbol to the intended place on a drawing.






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






33. 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






34. ___ tolerances are tolerances where the deviation is divided in some way above and below the basic size of the dimension.






35. 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?






36. In ___ dimensioning - all of the dimensions in a given direction originate from a base or datum






37. when the inside dimensions are more important or more critical than the overall dimension - the overall dimension should be identified as a ___ dimension






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






39. A small triangle at the end of a dimension liens and leaders that indicates the direction and extent of a dimension is called a ___






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






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






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






43. ___ are beveled or angled edges that typically appear on the ends of shafts or fasteners. They are dimensioned by giving a length from the end of the part and an angle or by specifying two distances






44. 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.






45. Each dimension shall have a ___ - except for those dimensions specifically identified as reference - maximum - minimum - or stock






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






47. Arcs are dimensioned as radii using the ___ symbol - which is shown preceding the dimension value.






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






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






50. When profile tolerances are equally distributed about the perfect geometry of the features - this is referred to as a ___ distribution.






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