EXAM QUESTIONS AND ANSWERS | 100% RATED CORRECT | 100%
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___________ conform to national, international, and individual company standards -
(answer)Dimensions
The accepted national standard in the United States for Dimensioning and Tolerancing is -
(answer)ANSI Y14.5
Most drawings conform to the _______________, which is metric and uses the millimeter as the
standard unit; or they conform to ________________ with a standard unit of the decimal inch -
(answer)International System of Units (SI)
U.S. Standard Customary Unit
Where the dimension is less than one millimeter_________ - (answer)a zero precedes the
decimal point
Where the dimension is a whole number____________ - (answer)neither the decimal point nor
the zero is shown.
,Where the dimension exceeds a whole number by a decimal fraction of one
millimeter_____________ - (answer)the last digit to the right of the decimal point is not
followed by a zero
Neither ________ nor __________ shall be used to separate digits into groups in specifying
millimeter dimensions on drawings - (answer)Commas
Spaces
A zero is not used ... - (answer)before the decimal point for values less than one inch.
A dimension is expressed to the same number of _______________ as its tolerance.
______ are added to the right of the decimal point where necessary - (answer)Decimal Places
Zeros
Rule 1 of the Fundamentals - (answer)Each dimension shall have a tolerance
,Rule 2 of the Fundamentals - (answer)Dimensioning and tolerancing shall be complete so there
is full understanding of the characteristic of each feature
Rule 3 of the Fundamentals - (answer)Each necessary dimension of an end product shall be
shown. No more dimensions than those necessary for complete definition shall be given.
Rule 4 of the Fundamentals - (answer)The drawing should define a part without specifying
manufacturing methods
Rule 5 of the Fundamentals - (answer)Dimensions should be arranged to provide required
information for optimum readability. Dimensions should be shown in true profile views and refer
to visible outlines.
A numerical value expressed in appropriate units of measure and used to define the size,
location, geometric characteristic, or surface texture of a part or part feature - (answer)■
Dimension
A small triangle at the end of dimension lines and leaders to indicate the direction and extent of a
dimension - (answer)Arrowhead
, A thin, dark, solid line that terminates at each end with arrowheads. The value of a dimension
typically is shown in the center of the dimension line. *A dimension line, along with its
arrowheads, shows the direction and extent of a dimension - (answer)Dimension Line
A thin, dark, solid line extending from a point on an object, perpendicular to a dimension line.
*Extension lines are used to indicate the extension of a surface or point to a location preferably
outside the part outline (see Figure 15.10). There should be a visible gap between extension lines
and chapter 15 Dimensioning 15-7 15.04 visible lines so the person reading the drawing can
distinguish between the part and the dimensions describing the part. - (answer)Extension Line
A thin, dark, solid line terminating with an arrowhead at one end and a dimension, note, or
symbol at the other end. *Leaders are used to direct a dimension, note, or symbol to the intended
place on a drawing. - (answer)■ Leader
Dimensions should appear only once on a drawing. In addition, each dimension should be placed
in the view where the contour shape is best shown. This is known as - (answer)contour rule or
contour dimensioning.
______________ help to define outer boundaries of parts quickly - (answer)Overall Dimensions