ANSWER TO REVIEW QUESTION 7
Information usually found in the title block will be name and address of preparing agency, title, drafting
record, authentication and date, scale and specification number, and the drawing number and sheet number for
multiple-sheet drawings. (para 1-10,b)
ANSWER TO REVIEW QUESTION 8
The FSC should prefix the drawing number and it is customary to add the latest revision symbol to the
number. In this case, the correct reply is 29368-569844C. (para 1-11,b(l))
Section V. Interpretation of Drawings
point on a front view, the same point on the right side
1-12.
INTRODUCTION
view will be directly to the right of it. Similarly, the
The objects used for illustrations thus far have
same point on the top view will be directly above the
been simple, and interpretation of the drawings
point on the front view. These relationships are
nearly obvious. More complex or irregular drawing
illustrated in [1] (figure 1-35) by the horizontal and
may require more effort to interpret. The principles
vertical datum lines between the views. The same
introduced here along with the conventions peculiar
relationship exists between the top and right side
to certain fields which are discussed in the following
views but is not obvious because they are not hinged
lessons will enable you to interpret any properly
together. If the outside edges of both views are
prepared drawing.
The orthographic projection
extended horizontally or vertically until they cross, as
principles are fundamental to all fields and a
in [2, figure 1-35, and a line is drawn connecting
thorough understanding of them is necessary if you
these points of intersection, the relationship can be
are to read any type of physical prints.
seen. The line connecting the points of intersection
will be at a 45-degree angle with the horizontal. Al
other points in the view can be related by bending
1-13.
FUNDAMENTALS OF
their project line at this 45-degree line. If the same
INTERPRETATION
point appears on three
a. The fundamental step in interpreting a
drawing is relating the different views. If you pick a
Figure 1-35. Relationships in orthographic projection.
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