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