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Fundamentals of Graphics Communication, 3/e
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Dimensioning and Tolerancing Practices
TRUE AND FALSE QUESTIONS
1
On a drawing for use in American industry, all dimensions are in inches, unless otherwise stated.
A)
TRUE
B)
FALSE
2
Most drawings produced outside of the United States use the metric system of measure.
A)
TRUE
B)
FALSE
3
An extension line is used to associate a radius or diameter dimension with a circular feature.
A)
TRUE
B)
FALSE
4
There is a visible gap between the extension line and the feature's corner.
A)
TRUE
B)
FALSE
5
A datum is only a theoretically exact point.
A)
TRUE
B)
FALSE
6
The minimum spacing for the first dimension from the object is 6mm.
A)
TRUE
B)
FALSE
7
The spacing between the first and second dimension does not have to be the same as between the first dimension and the object
A)
TRUE
B)
FALSE
8
It is acceptable for extension lines to cross each other but it is not acceptable for extension lines to cross dimension lines.
A)
TRUE
B)
FALSE
9
Not-to-scale dimensions are acceptable as long as the dimension text is underlined.
A)
TRUE
B)
FALSE
10
Dimensions should always be placed in the adjacent view to the contour of a feature.
A)
TRUE
B)
FALSE
11
Datum dimensioning has all of the dimensions calculated from a common origin point.
A)
TRUE
B)
FALSE
12
A tolerance is the amount a dimension may vary between its average and maximum limit.
A)
TRUE
B)
FALSE
13
You would use a transition fit to guarantee that one part would be anchored to the other part.
A)
TRUE
B)
FALSE
14
The basic size is the size to which the limits of deviation are assigned.
A)
TRUE
B)
FALSE
15
The feature control frame contains information on both the geometric control and the tolerance zone.
A)
TRUE
B)
FALSE
16
The feature control frame only contains information on size control, not form control.
A)
TRUE
B)
FALSE
17
Rule #1 states that variations in geometric form must be treated separately from variations in size.
A)
TRUE
B)
FALSE
18
The maximum material condition (MMC) of a hole is when it is its largest allowable size.
A)
TRUE
B)
FALSE
19
The only way a shaft can deviate from maximum material condition (MMC) is by getting larger.
A)
TRUE
B)
FALSE
20
The only way a pin can allowably depart from MMC is by getting smaller.
A)
TRUE
B)
FALSE
21
In actuality the flat plat of a height gage is a simulated datum, not a true datum.
A)
TRUE
B)
FALSE
22
The primary datum is farthest left hand flat surface on the part.
A)
TRUE
B)
FALSE
23
The virtual condition combines the least material condition (LMC) with the maximum allowed geometric distortion.
A)
TRUE
B)
FALSE
24
The angle of the secondary and tertiary datums relative to the primary datum must be specified on the drawing.
A)
TRUE
B)
FALSE
2002 McGraw-Hill Higher Education
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2002 McGraw-Hill Higher Education