Chapter 2 Dimensioning and Tolerancing Symbology 39
Copyright Goodheart-Willcox Co., Inc.
Review Questions
Answer the following questions using a separate sheet
of paper for your answers. Additional review questions
and problems are available with ample workspace in the
Study Guide.
Multiple Choice
1. Symbols reduce the number of _____ used on
a drawing.
A. views
B. words
C. dimensions
D. tolerances
2. Symbols are _____ abbreviations.
A. preferred in place of
B. being gradually replaced by
C. not defi ned as well as
D. no longer used in place of
3. The proportions for dimensioning symbols
are _____.
A. based on a fi xed character height of .125″
B. based on the character height used for
dimensions
C. related to the character height of the
drawing title
D. modifi ed depending on the drawing
scale
4. A dimensioning symbol is usually placed
_____ the number to which the symbol is
applied.
A. under
B. over
C. after
D. before
5. Straightness is a type of _____ tolerance.
A. form
B. orientation
C. position
D. angularity
6. Perpendicularity is a type of _____ tolerance.
A. form
B. orientation
C. position
D. angularity
7. The fi rst compartment in a feature control
frame _____.
A. must always show the tolerance symbol
B. sometimes includes a diameter symbol
C. shows either a tolerance symbol or
datum feature reference
D. None of the above.
8. A feature control frame may include a
diameter symbol in the compartment with
the _____.
A. tolerance value
B. datum feature references
C. tolerance symbol
D. None of the above.
9. Position tolerances applied to threads
control the location of the _____, unless
noted otherwise.
A. mating part
B. pitch diameter
C. major diameter
D. minor diameter
10. A datum feature is identifi ed with a _____.
A. letter inside a square
B. number inside a rectangle
C. note
D. Either A or B.
11. A dimension on a drawing may be made
basic by _____.
A. drawing a circle around it
B. using a note
C. drawing a rectangle around it
D. All of the above.
True/False
12. True or False? The shapes of tolerancing
symbols do not have any relationship to the
indicated control.
13. True or False? The letter X with a space on
each side of it means “by.”
14. True or False? Flatness is a form tolerance.
15. True or False? Material condition symbols are
not used in feature control frames.
16. True or False? Some feature control frames
are not required to include datum feature
references.
17. True or False? A dimension value may be
identifi ed as basic.
Fill in the Blank
18. In a chamfer note showing .25 X .25, the
symbol X is read as the word ____________.
19. How many orientation tolerance symbols
are there? ____________
20. Form and orientation tolerances are
specifi ed in a ____________.