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