ADDA #2, for all you magnet kids

Random Science Quiz

Can you name the ADDA terms?

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The allowable variance in a dimension:
An imaginary flat plane upon which the image created by the lines of sight is projected:
Point on horizon line where lines of projection converge:
Plane upon which the object is projected:
A straight line, not parallel to any of the primary projection planes:
Plane surface parallel to any of the primary projection planes:
A line that appears shorter because it is at an angle to the line of sight:
Thin, solid lines indicating the feature with which the dimension, note, or symbol is associated:
True or false: hidden lines are only shown in pictorial drawings if needed for detail:
The minimum clearance/maximum interference between parts:
Lines showing where and object is broken:
2 axes angles equal:
These lines are last in precedence:
These lines take precedence over all others:
Biggest shaft/smallest hole:
You should only include enough ______ to completely describe a part:
The longest view with the best shape description/most characteristics:
Lines indicating the point or line on the drawing to which the dimension applies:
Oblique drawings half true length along receding axis:
Perspective when no edges of the object are parallel to planes of projection:
A theoretically exact point used as a reference for tabular dimensioning:
Lines representing the surfaces of an object cut by a cutting plane:
Line representing the plane on which the object rests:
Surface that is not curved or warped:
Most photo realistic projection:
Perspective when one face of the object is parallel to the plane of projection:
Lines indicating the direction and extent of a dimension:
Projection that requires the object be positioned at infinity and viewed from multiple points on an imaginary line parallel to the object:
View from below, but abouve ground:
Smallest shaft/biggest hole:
Lines representing symmetry:
Perspective when the object is at an angle to the plane of projection and the vertical edges are parallel:
View from about 6' above the ground;
Line parallel to the profile projection plane:
View as if laying on the ground:
Lines establishing spacing for lettering:
Lines of intersection between two reference planes in orthographic projection:
Lines representing features that you can see in the current view:
A dimension used to describe the general size:
Position representing eye level of the observer:
Lines indicating a movable feature and its positions:
1 KB = ____ bytes
Thick centerline-like lines indicating a portion of the surface recieves special treatment:
Lines establishing the construction of the geometry of the part:
US standard projection: (____ angle)
The theoretical size as a starting point for applying tolerances:
Orthographic projections with 2+ views are:
Everywhere else's standard projection: (_____ angle)
The degree of tightness between mating parts:
Lines representing features that you can't see in the current view:
Plane inclined to all the principal projection planes:
The measured size of a part after machining:
Straight line at 90 degrees to the fold line, connecting the same point in adjacent views:
View where the object is shown from above:
All axes angles equal:
The maximum and minimum sizes:
Lines showing the locations of cutting planes:
Arrowheads should be ____ long:
Oblique drawings full true length along receding axis:
No axis angles equal:
Leader shoulders should be ____ long:
An imaginary ray of light between an observer's eye and an object:
Thick lines used to identify where a view was taken from:

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