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Test your basic knowledge |
Engineering Graphics And Design
Start Test
Study First
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. A __ line - along with its arrowheads - shows the direction and extent of a dimension
Direct
Counter bore
Dimension
General
2. Baseline dimension is often used for CNC machines that work from a ___ coordinate system
Dimension
Rectangular
Force fit
Bilateral equal
3. ___ dimensioning usually yields the largest accumulation of tolerance between features.
Chain
Circularity
Bilateral equal
Extension line
4. ___ are used to direct a dimension - note - or symbol to the intended place on a drawing.
Non rigid
Leaders
Circularity
Baseline
5. Datums are always required for ___
Counter bore
Millimeter
Profile
Position
6. A good rule of thumb to follow when dimensioning is to dimension only visible or ___ lines
Gothic
Allowance
Solid
Extension line
7. ___ is a fit where the two mating parts have intersecting nominal volumes - requiring the deformation of the parts
Bilateral
Interferance
Reference
Chamfers
8. For machined parts - the amount of variation - or ___ - might be relatively small
Baseline
Force fit
Tolerance
Dimension
9. ___ refers to a fit where there is space between the two mating parts.
Clearance
Direct
Circularity
Arrow head
10. There are standards for specifying particular types of geometry. for example - circles are typically dimensioned as ___ - and arcs are dimensioned as radii
Allowance
The order that a machinist would perform the operations
General
Diameters
11. 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
General
Rectangular
Circularity
Reference
12. Unless otherwise specified - all dimensions are applicable at ___ degrees celsius. compensation may be made for measurements made at other temperatures..
Datum
Dimension
Form
20
13. A ___ is a cylindrical or spherical surface or a set of two opposed elements or opposed parallel surfaces associated with a size dimension
Features without size
Feature with size
Profile
Symmetry
14. In ___ dimensioning - features are dimensioned relative to one another
Interferance
Solid
Chain
Cylindricity
15. Each dimension shall have a ___ - except for those dimensions specifically identified as reference - maximum - minimum - or stock
Profile
Arrow head
Tolerance
Symmetry
16. The main focus of GD&T is the ___ frame which contains the geometric characteristic symbol - the geometric tolerance - and the relative datums.
Interferance
Leaders
Feature cotnrol
Bilateral equal
17. ___ notes typically appear in the lower right hand corner of a drawing and apply to the whole drawing
Geometric
Position
Reference
General
18. when the inside dimensions are more important or more critical than the overall dimension - the overall dimension should be identified as a ___ dimension
Tolerance
Chamfers
Reference
Bilateral equal
19. ___ tolerances are for individual features and are not related to any datums. This group of geometric tolerances includes straightness - flatness - circularity - and cylindricity
Form
The order that a machinist would perform the operations
Circularity
Arrow head
20. 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.
Chain
Symmetry
Features without size
Allowance
21. A ___ is typically a planar surface or a feature where the normal vectors point in the same direction
Circularity
Features without size
Gothic
Symmetry
22. All datum simulators must be at least ___ times better in quality than the tolerances specified on the drawings to be considered datum simulators
Ten
Allowance
Circularity
Tolerance
23. Dimension lines als should be at least ___ millimeters from any view - helping to avoid clutter
Ten
Countersunk
Rectangular
Chain
24. ___ is the difference between the maximum material limits of mating parts
Ansi y14.5
Least material condition
Allowance
Feature with size
25. In ___ dimensioning - all of the dimensions in a given direction originate from a base or datum
Arrow head
Baseline
Datum
Least material condition
26. Which type of dimensiong offers the best way to eliminate toelrance accumulation?
Least material condition
Reference
Direct
Ten
27. ___ 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
Circularity
Profile
Chamfers
Clearance
28. In DG&T - the ___ reference frame is a theoretical system made up of three mutually perpendicular planes established by real features on the object.
Profile
Allowance
Leaders
Datum
29. 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
Least material condition
Dimension
General
Form
30. ___ 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.
Position
Non rigid
Geometric
Diameters
31. 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
Dimension
Transition
Reference
Profile
32. Engineering drawings require the use of single stroke ___ lettering
Chain
R
Gothic
Tolerance
33. The accepted national standard in the united states for dimension and tolerancing is...
Ansi y14.5
Feature with size
Rectangular
Extension line
34. 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 ___
Form
Dimension
Geometric
Rectangular
35. Datums are not allowed for v
Circular runout
Interferance
Cylindricity
Least material condition
36. ___ holes are standard machined holes that are used to accept fillister head and hex sockets head screws
Solid
Non rigid
Direct
Counter bore
37. 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?
Ten
Force fit
Ten
Least material condition
38. ___ fits are typically associated with selective assembly
Chain
Tolerance
Transition
Least material condition
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 ___
Arrow head
Geometric
Circular runout
Ansi y14.5
40. 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?
Chain
Leaders
Bilateral equal
Locational interference fit
41. 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
Gothic
Millimeter
Position
Form
42. When you dimension holes - you string the symbols together in ___
The order that a machinist would perform the operations
Diameters
Tolerance
Solid
43. In GD&T - the ___ (MMC) modifier allows the size of the zone to change if the size of the hole changes
20
Position
Maximum material condition
Ansi y14.5
44. All dimensions and tolerances apply in a free state condition. this principle does not apply to ___ parts
Millimeter
Non rigid
R
The order that a machinist would perform the operations
45. ___ tolerances are tolerances where the deviation is divided in some way above and below the basic size of the dimension.
Counter bore
Bilateral
Circularity
Feature cotnrol
46. A thin - dark - solid lien extending from a point on an object and perpendicular to a dimension line is called an ___
Geometric
Extension line
R
Form
47. When profile tolerances are equally distributed about the perfect geometry of the features - this is referred to as a ___ distribution.
Position
Diameters
Least material condition
Bilateral equal
48. ___ holes are used for applications with flat head and oval head screws
Symmetry
Locational interference fit
Countersunk
Counter bore
49. ___ is a 2D control similar to circulatirty or roundness. the main difference is that it controls a surface relative to a datum axis.
Rectangular
Dimension
Chain
Circular runout
50. Arcs are dimensioned as radii using the ___ symbol - which is shown preceding the dimension value.
R
Ten
Force fit
Datum