print reading chapter 13 through 18

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Which of the following GD&T controls is not a location tolerance?

Parallelism

This classification of detail drawing includes parts that are shown flat or "unfolded":

Pattern-development drawing.

The standardized definition of size specifies that a part cannot geometrically deviate beyond the perfect form of its maximum material condition. This definition may be referred to as ____.

Rule 1

Each time the feature control frame is applied, it has three compartments, one for the control, one for the tolerance amount, and one for the datum reference.

false

Profile is a geometric control that can be applied to two-dimensional shapes or paths, but not three-dimensional surfaces.

false

Standard values for pressure angle on gears are 10°, 20°, and 30°.

false

The standard term for a drawing composed of two or more parts that, once assembled, are permanently joined is ____.

inseparable assembly

The condition of a surface, median plane, or axis existing at a right angle to a datum plane or axis is known as ____.

perpendicularity

Multiple keys or grooves on a shaft that prevent rotation between the shaft and a related member are called ____.

splines

A datum identification symbol cannot be simply attached to a center line without reference to any measurements or surfaces.

true

Straightness is one control that has two possible applications for cylindrical features: element straightness and axis straightness.

true

The GD&T angularity control creates a uniform tolerance zone, whereas plus and minus degrees always create a "fan-shaped" zone.

true

Tube-bending drawings may use pictorial representation or tables to describe the bends necessary to make a part.

true

ASME recommends the notation FURNISH ONLY AS A MATCHED SET for this type of detail drawing:

Matched-set drawing.

Which of the following terms is used for detail drawings that describe how to change a part to make another part, either for an on-going basis or just to meet a temporary need?

Modifying drawings.

A cast or forged part may have two sets of requirements, the dimensional size of the mold and the dimensional size of the finished part after machining. This part might require a ____ drawing.

casting drawing

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.

coaxial

The three mutually perpendicular reference planes that "lock" the object in space so GD&T can be checked are collectively known as the ____.

datum reference framework

Specific points, lines, or areas of contact can be specified with ____.

datum targets

Especially in prints created by pencil, but even with CAD prints, a spring drawing may just show the ends of the springs and a few coils, connected by chain lines, to avoid repetitive detail.

false

For an altered-item drawing, ASME standards recommend the notation MODIFICATION DRAWING be given adjacent to the title block.

false

For an altered-item drawing, the material specified is still given as the raw material of the part being altered.

false

Hidden lines are always omitted in an assembly drawing.

false

If a slotted-head fastener is shown in an assembly drawing, the slot should be vertical in the "top" view, and turned to look "through" the slot in the other view

false

If applied in an assembly drawing, dimensions are only used to the describe the range of movement of parts.

false

In a feature control frame, the datum reference order must be alphabetical.

false

In former practice, an encircled R was used as the symbol for a regardless of feature size modifier.

false

Minimum material condition, with an encircled C, is the opposite of maximum material condition, with an encircled M.

false

Section lines for different parts of an assembly must all be at the same angle, but some are spaced more closely to help differentiate the parts.

false

The relationship of two friction rollers with no teeth is identical to the relationship between two gears at the addendum circle diameter.

false

There are no standards governing drawings that show a cast or forged part, since the part is in an unfinished state.

false

The long rectangular boxes attached to extension lines, leader lines, or perhaps just floating near a size dimension are called ____.

feature control frames

Which of the following is least likely to be found in any parts list?

finish type

Which of the following statements about worm gears is false?

mates with bevel gear

The geometric tolerance that should be specified to indicate two surfaces should be coplanar is known as ____.

profile of a surface or total runout

A geometric tolerance that can be measured with a dial indicator to determine the variation of surface points as the part is rotated about a datum axis is ____.

runout

An important concept in GD&T is the term ____ feature, which is simply a feature that has a center plane or a center axis.

size

The term for any assembly that fits within a larger assembly is ____.

subassembly

A geometric tolerance zone can be two dimensional or three dimensional.

true

A parts list could be created as a separate document.

true

Although a detail drawing is considered to be one drawing of one part, a series of parts can be shown on one sheet if the only difference between parts is a few dimensional values.

true

Although related, a datum feature is not the same as a datum plane or axis.

true

An encircled M can serve as the symbol for maximum material condition or maximum material boundary.

true

An installation drawing provides the information about how to position or install parts in relation to another part.

true

Blind rivets, also called pop rivets, are designed to fasten thin materials when the installer can only access one side of the hole.

true

By definition, a spring is a device designed to either compress or expand and, in doing so, counteract a force with an equivalent force.

true

Dimensions are not usually required in an assembly drawing because all parts have already been manufactured and inspected before assembly.

true

For any one drawing that shows the dimensions of a cast part, there may be several different drawings that show how to machine it into one or more finished parts.

true

Maximum material condition is a modifier commonly applied to the positional tolerance of a hole.

true

Orientation tolerances always reference a surface or axis to some other datum feature.

true

Pin measurement is sometimes used to specify a condition or size for gears, as in the case where a pin diameter is specified and measurements are taken by placing pins or balls between the teeth.

true

Standard industry items such as nuts, bolts, and fasteners do not require control drawings.

true

The dedendum must be larger than the addendum to allow for clearance between the mating teeth.

true

The overall distance from one end of the spring to the other when no force is being applied is called the free length.

true

The projected tolerance zone is especially useful for threaded holes.

true

The reading taken with a dial indicator should be referred to as FIM (full indicator movement).

true

The term machine screw is similar in definition to cap screw, but the term is usually applied to smaller fasteners of 1/4² diameter or less.

true

Which of the following is least likely to be found in a minimal parts list, but may be found in an expanded parts list?

weight

Which of the following is the least likely to be found on assembly drawings in the multiview format?

Hidden lines for every part.

Drawings created to document the engineering requirements of a purchased part are ____ drawings.

control

An assembly drawing that also contains all dimensions for all features of the individual parts is known as a(n) ____ assembly.

detail

An assembly drawing that uses single lines to show piping flow and wiring assemblies is known as a ____ assembly.

diagram

An assembly drawing wherein the parts are separated from each other to help show the correct method of assembly is known as a(n) ____ assembly.

exploded

A datum is a reference plane or surface, while a target is a reference axis.

false

A detail drawing of a part from inventory that may have a further restriction or specification is called a restricted-item drawing.

false

A drawing either functions as a detail drawing or an assembly drawing, but not both.

false

All gear terminology and representation standards are covered by ASME Y14.5.

false

Dowel pins are designed for loose fitting alignment of parts where precision is not an issue.

false

Geometric dimensioning and tolerancing is an easy-to-use system of symbols that has been standardized and represented the same since 1978.

false

The condition of a surface having all elements in one plane is ____.

flatness

With respect to types of springs, identify the fictitious term.

flexible

An assembly drawing that provides the necessary information to install or erect a piece of equipment is known as a(n) ____ assembly.

installation

Detail drawings that show how to convert a cast part into a finished part are ____ drawings

machining

Technically, the standard term for one detail drawing of one part is a(n) ____ drawing.

monodetail

A detail drawing provides all of the information necessary to produce the part.

true

There are several ASME standards related to keys, bolts, pins, and other fasteners.

true

Usually, each unique part in an assembly has its own unique part number.

true

One type of detail drawing that is most like an assembly drawing is the ____ drawing.

welding

Which of the following is most likely to require a contour definition drawing?

Car fender.

Which of the following GD&T controls is not an orientation tolerance?

Concentricity.

Which of the following is false with respect to true position tolerancing?

Often applied to control the position of a surface.

Which of the following GD&T controls is not a form tolerance?

Runout.

Which of the following is not related to GD&T?

Surface texture symbols.

The term bubbles is used to define a circle that contains a letter of the alphabet, each connected to a part of the assembly with a leader line.

false

The windings in the helical shape of a spring that can move are called the live coils.

false

The zone designation in a parts list is related to the geographic area of the United States from which the part is procured.

false

There are 10 geometric control symbols that may be used in a feature control frame

false

In general, the name applied to a device with internal threads designed to fit on the threaded end of a bolt is ____.

nut

Center lines are still appropriate in an assembly drawing

true

Which of the following terms is not relevant to worm gears?

circular tooth thickness

Companies prefer to apply the letter C to the initial release of a print for a new part.

false

One revolution of a single-thread worm advances the spur gear one revolution.

false

Parallelism can only be used to control how well one surface is in a state of being parallel with another surface.

false

Revisions are usually temporary changes required to accommodate a special situation and are not permanent changes to the prints.

false

Symmetry is a form of tolerance that is applied to a pattern of holes.

false

The distance from a given point of one worm thread to the next is called the circular pitch.

false

Long springs designed to encompass a circular feature in a belt-like manner are called ____ springs.

garter

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.

heavy line

Which of the following is a fictitious type of nut?

octagon

Especially with prints not created by a CAD system, it may be expected to find one or two teeth drawn on the print with circular ____ lines representing the rest of the gear teeth.

phantom

Which of the following is a fictitious type of head for a cap screw?

plain

Which of the following is a fictitious type of spring end?

pointed

Used in assemblies to help parts stay together, these fasteners are typically inserted into grooves near the end of a shaft.

retaining rings

A gear that represents a wheel with a number of equally spaced teeth cut parallel to an axis is known as a ____ gear.

spur

For multi-sheet drawings, there may be a ____ block on the print.

status of sheets

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?

tolerance control

Although not necessary, adding modifiers to datum features allows more parts to pass inspection.

true

Special gear cutters called hobs are sometimes used to cut gear teeth.

true

Standards set forth three approaches to multi-sheet revisions.

true

The revision history area of the print often indicates the ECO number so a more detailed explanation of changes can be contained in a document external to the drawing.

true

The term drawing revision refers to any change made to a drawing after the final approval has been given to the drawing.

true

The terminology for involute splines is often the same as for spur gears.

true

Which of the following symbols is no longer used according to the current standard?

Encircled S (regardless of feature size)

Which of the following is a general term that applies to both detail and assembly drawings?

Working drawings.

On the print, a part number can be specified within a(n) ____ block to indicate the larger assembly within which the part (or assembly) resides.

application

A ____ dimension features a numeric value used to describe the theoretical exact size or location in GD&T.

basic

A gear that resembles a cone with teeth on the conical surface meshing with a similar shape gear mounted at a 90° angle is the ____.

bevel gear

Material condition modifiers can be used to indicate that a ____ tolerance can be applied.

bonus

Which of the following is the least likely reason for a drawing revision to be implemented?

Part will be supplied by a different contractor.

The amount by which the tooth space exceeds the thickness of the engaging tooth is the ____.

backlash

A double layer feature control frame is used for a ____ tolerance.

composite

Concentricity is a form of tolerance that should only be applied "regardless of feature size."

true

In the case of CAD files, the revision letter can be represented in the file name.

true

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.

true

Which of the following is a fictitious type of point (or tip) for a set screw?

slotted

The ____ tooth thickness is measured at the pitch circle and is the straight length across the tooth as measured point-to-point.

chordal

While some companies may elect to use other geometric shapes, current revision standards recommend the revision letter be enclosed in a ____.

circle

___ is the term for the radial distance between the top of a tooth on one gear and the bottom of the tooth space on the mating gear.

clearance

The number of teeth in a gear per inch of pitch diameter is the ____.

diametral pitch

A term used in some companies for a temporary revision that authorizes a deviation from the print is ____.

drawing deviation

Revision authorization documents may take on a variety of terms. ECO most likely stands for ____.

engineering change order

Cotter pins are designed for quick assembly, so on one end is a head and on the other end is a hole for a clevis pin.

false

Gear manufacturing classes are standardized by the Society for Gears in America (SGA).

false

In the United States, there is one predominant system for drawing revision records, which has been established for many years.

false

The all sheets same approach to multi-sheet revisions ensures that all sheets have the exact same revision letter.

false

A rod that is threaded on both ends, with possibly a different thread on each end, is known as a ____.

stud

Based on standards, after the drawing is changed, the changes should be recorded on the drawing in the ____.

revision history block

As recommended by standards, the letters I and O are not used for revisions, as they could be confused with the numbers 1 and 0.

true

The ____ key is somewhat semicircular and matched to a keyseat usually fabricated with a special cutter just for that key.

woodruff


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