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Fundamentals of Graphics Communication, 3/e
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Dimensioning and Tolerancing Practices
MULTIPLE CHOICE QUESTIONS
1
Which symbol is used to indicate a dimension refers to the diameter of a hole?
A)
R
B)
°
C)
Θ
D)
Ω
2
Which symbol is used with angular dimensions?
A)
R
B)
°
C)
Θ
D)
Ω
3
In _________________ dimensioning, a datum is established for each Cartesian coordinate direction.
A)
baseline
B)
symmetric
C)
hole basis
D)
none of the above
4
In current ANSI standards, a _____________ is indicated by a 'V' shaped symbol
A)
counterbore
B)
datum surface
C)
countersink
D)
drill
5
A limited length or area (such as a polished end of shaft) is indicated with a _____________ line.
A)
hidden
B)
chain
C)
section
D)
dimension
6
In previous ANSI standards, a blind hole dimension would have to contain which designation?
A)
DP
B)
THRU
C)
C'BORE
D)
CSK
7
The _________________ of an external feature is the upper limit.
A)
maximum material condition
B)
runnout
C)
minimum material condition
D)
allowance
8
The _________________ of an internal feature is the upper limit.
A)
maximum material condition
B)
runnout
C)
minimum material condition
D)
allowance
9
A term used to describe the concept of perfect form at MMC is:
A)
datum reference frame
B)
the envelope principle
C)
rule #1
D)
departure from MMC
10
Which of the following is descriptive of the datum reference frame?
A)
six degrees of freedom
B)
located based on the functionality of the part
C)
three orthogonal planes
D)
all of the above
11
The primary datum feature should be established based on:
A)
an inaccessible feature that is unlikely to get damaged
B)
the feature that is likely to fluctuate most in size and shape
C)
a feature that has predictable variation
D)
the curved rather than flat surface of a cylinder
12
All of the following controls are based directly on the concept of straightness
except
:
A)
line profile
B)
roundness
C)
flatness
D)
parallelism
2002 McGraw-Hill Higher Education
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