Projection lines - ANSWER Shows relationships between lines
Object lines - ANSWER Thick lines
Center lines - ANSWER Long thin lines with short dashes between the
segments
Extension lines - ANSWER Narrow lines
Break line - ANSWER The object is not fully represented in the blueprint
Phantom line - ANSWER A line that shows an object in more than one
position
Top view and right side view - ANSWER Views that depict a shaft shown
horizontally
Top view, front view and right side view - ANSWER Common views
depicting a three view blueprint
Top view, front view - ANSWER Views that depict a shaft shown
vertically
Auxiliary view(s). - ANSWER Slanted surfaces require showing this
10:1 - ANSWER This represents on a blueprint a small object is shown
ten times larger than it actually is.
10:10 - ANSWER This represents on a blueprint the object is shown to
scale.
1:10 - ANSWER This represents on a blueprint one inch is equal to ten.
, 1.197 inches. - ANSWER A shaft diameter dimensioned as 1.200 inches
(+/- 0.003 inches) means that the smallest diameter permitted for the
shaft is
Shaft 2 is 12.01cm - ANSWER We need a shaft that is 12 cm (-0.2/+0.5)
long. Which of the following shafts must we select?
25.48 degrees. - ANSWER An angle dimensioned as 25.42 degrees (+/-
0.06 degree) means that the largest angle permitted is
Thread angle - ANSWER The complete angle formed by the two
surfaces of the thread.
L on the test
Thread run out - ANSWER A transitional area between the threaded and
non-threaded areas of an object.
G on the test
Pitch diameter - ANSWER The distance measured from the midpoint of
the thread surface on one side of the thread to the same point on the
opposite side of the screw or bolt.
B on the test
Minor diameter - ANSWER The smallest diameter of a screw thread.
Formerly called the inside diameter when referring to the thread of a nut.
D on the test
Lay - ANSWER Orientation of machined surface
Surface texture - ANSWER Random deviation from nominal surface
Taper - ANSWER Surface of the frustum of a cone
Surface finish - ANSWER Height limit of points on a machined surface
0.2" - ANSWER What is the taper per inch for a 10" long rod if the start
and end diameters are 3" and 5"?
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