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