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