Print Reading Final Exam Study Guide - Units 1 thru 23
Counterdrill
A conical transition from one size hole to another is known as a ____. A. counterdrill B. knurl C. spotface D. spline
T
A datum identification symbol cannot be simply attached to a center line without reference to any measurements or surfaces.
As an edge view
If an inclined surface is perpendicular to the frontal plane, how does it appear in the front view? A. Foreshortened shape. B. Distorted shape. C. True size and shape. D. As an edge view (line).
1/2pR
If the circumference of a circle is D, which of the following would be used to help calculate bend allowance for a right angle? A. R B. D C. 1/2pR D. 1/2D
Outline
If there is a large area that needs to receive section lines, the ____ section allows for the section lines to only be applied around the perimeter. A. outline B. special C. area D. conventional
F
One revolution of a single-thread worm advances the spur gear one revolution.
F
Parallelism can only be used to control how well one surface is in a state of being parallel with another surface.
T
The appearance of metric threads on a drawing is identical to other "sharp-V" threads in the inch system.
sampling length
A number under the horizontal bar on the right side of the check mark symbol specifies the ____. A. surface mismatch B. sampling length C. maximum peak D. roughness average
T
A revolved section has a cutting plane slicing through a feature, but the section view itself is "rotated" 90° directly on the regular view.
Stud
A rod that is threaded on both ends, with possibly a different thread on each end, is known as a ____. A. spike B. T-pin C. stud D. set screw
T
Additive manufacturing processes build a model by adding material layer by layer.
Partial
An auxiliary view that shows only the inclined surface, not the entire object, is referred to as a ____ auxiliary view. A. true B. secondary C. truncated D. partial
T
An external thread is on the outside surface of a cylinder, while an internal thread is on the inside surface of a hole.
Vellum
Before copy machines, it was common to use ____ for the original drawing, due to the durability and transparency of the media, although plastic film was also common in some settings. A. papyrus B. bond C. vellum D. ink
T
Center lines are used to express center line of bend and form block lines.
Control
Drawings created to document the engineering requirements of a purchased part are ____ drawings. A. modifying B. control C. specification D. pattern
Heavy Line
For older drawings created before CAD systems, if a dimensional value is changed without changing the actual geometry, a ____ may be drawn below the dimensional value to indicate it is no longer to scale. A. circle B. small arrow C. heavy line D. square
T
For prints created with first-angle projection techniques, the views appear the same, but not in the same arrangement
Replaced by
For which of the following would you least expect to find a signature or initials in the title block? A. Replaced by. B. Checked by. C. Approved by. D. Drawn by.
T
General notes apply to the entire drawing and are usually placed outside of the title block
Dotted line.
Identify the line below that is fictitious. A. Viewing-plane line. B. Stitch line. C. Dotted line. D. Short break line.
Cutting-plane line
Identify the line below that is to be drawn thick. A. Center line. B. Phantom line. C. Cutting-plane line. D. Section line.
pitch of the weld
If 3-7 appears above the reference line on a welding symbol, 7 indicates the ____. A. maximum time for the part to be heated B. strength of the weld C. length of the weld D. pitch of the weld
Mertic
If a print reader were to see a note identifying a hole as 8.000-8.036 (8 H9), the H9 is related to a ____ fit specification. A. locational B. shrink C. metric D. force
A curved surface is tangent to a flat surface
In a multiview drawing, a line means one of three things. Select the false meaning. A. Maximum contour of a curved surface. B. A curved surface is tangent to a flat surface. C. Edge view of planar surface. D. Intersection of two surfaces only.
"T" symbol attached perpendicular to the surface.
Including older methods, three of the choices below may be found on a print to indicate a surface is to be finished. Which one is not a valid indication? A. "T" symbol attached perpendicular to the surface. B. A check mark-type symbol. C. "V" symbol attached perpendicular to the surface. D. Italic "f".
coaxial
It is important to note that a surface could be perfectly cylindrical, but if it is not ____ with the datum axis, then runout can occur. A. coaxial B. balanced C. concentric D. symmetrical
Splines
Multiple keys or grooves on a shaft that prevent rotation between the shaft and a related member are called ____. A. naps B. splines C. slits D. knurls
T
Oblique extension lines can be used to alleviate overcrowded dimensions.
Portable Document Format
PDF is an electronic file format that allows the user to share a drawing or image without giving them the actual CAD data file. PDF stands for ____. A. Print Data File B. Portable Document Format C. Plotted Digital File D. Permanent Design File
F
Profile is a geometric control that can be applied to two-dimensional shapes or paths, but not three-dimensional surfaces.
engineering change order
Revision authorization documents may take on a variety of terms. ECO most likely stands for ____. A. envelope change opening B. engineering change order C. emergency change option D. enterprise change omission
T
Since an inclined surface will not be shown in true size and shape in one of the principal views, an auxiliary view is often used for this purpose.
T
Sometimes, hidden lines are omitted on complex views when the drawing is clear without them.
datum targets
Specific points, lines, or areas of contact can be specified with ____. A. datum targets B. leader lines C. local notes D. surface quality symbols
T
Straightness is one control that has two possible applications for cylindrical features: element straightness and axis straightness.
F
Surface mismatch is when one portion of a surface has a different lay than another.
Short Break
The broken-out section requires another type of line from the alphabet of lines to help show where the removed portion was broken off in a "jagged" sort of way. This is the ____ line. A. short break B. section C. phantom D. stitch
T
The by sheet method of revisions treats each sheet independently of the others and requires a "status of sheets" block be added to the print.
circuit
The complete path of flow in a fluid power system, including the pump, is called the ____. A. system B. diagram C. circuit D. channel
reference
The main horizontal line portion of the welding symbol is referred to as the ____ line. A. base B. contour C. field D. reference
Injection Molding
The majority of prints that involve plastic parts represent parts manufactured by ____. A. injection molding B. extrusion C. rotational molding D. thermoforming
Follower
The mechanism that moves with reciprocating movement by following the cam surface or groove is a(n) ____. A. piston B. oscillator C. follower D. camshaft
T
The principle used to manufacture thermoplastics into finished parts can be referred to as a "melting/freezing" cycle.
F
The print reader is often the person who must make the bend allowance calculations.
F
The scale area of the title block indicates the scale of the drawing as real = paper.
Datum
The term for a reference plane or axis is ____. A. base B. datum C. table D. origin
Lead
The term for how far a thread advances when the threaded part is rotated one complete revolution, including multiple threads, is ____. A. pitch B. form C. lead D. hand
Gage
The thickness of sheet metal is referred to as the ____ of the material. A. rating B. gage C. setback D. stock
Datum reference framework
The three mutually perpendicular reference planes that "lock" the object in space so GD&T can be checked are collectively known as the ____. A. lock-down setup B. three-plane structure C. primary datum planes D. datum reference framework
Offset
The type of section view wherein the cutting-plane line has bends to accommodate several features that are not aligned is a(n) ____ section. A. revolved B. broken-out C. offset D. removed
F
The windings in the helical shape of a spring that can move are called the live coils.
Drawing
The word print can best be used the same as the word ____. A. drawing B. scan C. photocopy D. image
F
The zone designation in a parts list is related to the geographic area of the United States from which the part is procured.
T
There are two methods for placing dimension numbers on a print: unidirectional and aligned
Views
Three of the following terms are similar. Which term does not belong? A. Views. B. Notes. C. Specifications. D. Callouts.
Face
Using the same principle as a plate cam, a(n) ____ cam is manufactured with a groove cut into the flat surface of a disc. A. end face B. wedge C. linear D. face
Shine
Various machining processes can be specified above the horizontal bar on the check mark. Which of the following is not likely? A. Grind. B. Lap. C. Mill. D. Shine.
1.878
What blank length is needed for an L-shaped strip with a simple bend and the following dimensions: sides are 1 each and the setback is .122? A. 2.122 B. 2.244 C. 2.000 D. 1.878
surface mismatch
When multiple passes of a cutter create an uneven blend on a machined surface, it is called ____. A. angularity B. stair-stepping C. surface mismatch D. seam joint
T
When sectioning an assembly of several parts, it is common to leave the main shaft and the bodies of fasteners uncut by the cutting plane
Amplitudinal
Which of the following "change-in-motion" methods is fictitious? A. Harmonic. B. Amplitudinal. C. Cycloidal. D. Parabolic.
IN-Interference
Which of the following classes of fit is fictitious? A. FN - Force or Shrink. B. IN - Interference. C. LC - Locational Clearance. D. RC - Running or Sliding.
Spring
Which of the following is a fictitious type of follower contact surface? A. Knife edge. B. Roller. C. Flat face. D. Spring.
Quarter loop.
Which of the following is a fictitious type of hook at the end of a spring? A. Double loop. B. Full loop. C. Loop on side. D. Quarter loop.
Often applied to control the position of a surface
Which of the following is false with respect to true position tolerancing? A. Can be applied to locate the axis of a hole within a cylindrical zone. B. Can be applied to the center plane of a slot. C. For a hole location, requires a three-dimensional datum reference framework. D. Often applied to control the position of a surface.
Car fender
Which of the following is most likely to require a contour definition drawing? A. Cardboard box. B. Panel door. C. Car fender. D. Table top.
T
Which of the following is not a type of groove weld? A. U B. V C. T D. J
True projection is a common method of representing threads in orthographic views.
Which of the following statements concerning computer-generated screw thread representations is false? A. Shaded images can be applied to the surface of a 3D model to give the appearance of screw threads. B. Thread notes can be generated automatically. C. Simplified representations are more common than schematic representations. D. True projection is a common method of representing threads in orthographic views.
Encircled S (regardless of feature size)
Which of the following symbols is no longer used according to the current standard? A. Encircled P (projected tolerance zone) B. Encircled S (regardless of feature size) C. Encircled M (maximum material condition) D. Encircled L (least material condition)
Neutral
Which of the following terms is unrelated to bend angle possibilities? A. Acute. B. Obtuse. C. Neutral. D. Right.
Tolerance control
While a horizontal dividing line should appear between revisions, which of the following columns is most likely not found in the area where revisions are recorded on the print? A. Description of change. B. Tolerance control. C. Date. D. Revision letter.
Circle
While some companies may elect to use other geometric shapes, current revision standards recommend the revision letter be enclosed in a ____. A. triangle B. circle C. hexagon D. square
T
With brazing and soldering, the pieces being joined do not experience any melting.
