451 FINAL EXAM
18. Which of the following is the MMC of a shaft with the dimension 32.50±0.15? A. 32.65 B. 33.00C. 32.35 D. 32.50
A
2. _____ refers to a two-dimensional or cross-sectional tolerance that extends along the length of the feature. A. Profile of a line B. Profile of a surfaceC. Profile of a surface all around D. Circularity
A
20. Which of the following is shown when only one position symbol is used and it is placed in one feature control frame compartment doubled in height? A. Composite feature control frame B. Single-segment feature control frameC. Two single-segment feature control frameD. Multiple single-segment feature control frame
A
8. _____ is the distance from the center of a circle to the outside. A. Radius B. AreaC. Diameter D. Circumference
A
15. _____ fits constitute a special interference fit characterized by maintenance of constant pressure. A. Running and sliding B. ForceC. Loose D. Locational
B
4. _____ is the general term that refers to the types of tolerances used to control form, profile, orientation, location, and runout. A. Dimensioning B. ModelingC. Geometric tolerancing D. Tolerancing
C
5. When a datum feature symbol is specified on a runout control, then the runout tolerance applies to the _____. A. datum reference frame B. datum feature referencesC. datum feature D. datum axis
C
6. Material condition symbols are often referred to as _____. A. tolerances B. referencesC. modifiers D. limits
C
6. The ASME _____ standard specifies approved dimensioning and tolerancing practices for engineering drawings. A. Y14.1 B. Y14.3C. Y14.5 D. Y14.8
C
6. _____ are points, lines, or areas that are used in establishing a datum reference frame.A. Datum feature references B. Datum feature simulatorsC. Datum targets D. Simulated datums
C
9. Given a shaft with ∅.750±.005 X 3.750 LG dimensions and a derived median line straightness tolerance of ∅.002 at MMC, what is the allowable straightness tolerance when the actual shaft measures ∅.750? A. ∅.000 B. ∅.002C. ∅.007 D. ∅.012
C
14. Which type of line is used to outline an area of specific area flatness? A. Object B. CenterC. Phantom D. Chain
D
1. A _____ is a representation of an object that shows object length, width, and/or height on a flat plane. A. 2D drawing B. 3D drawingC. surface model D. solid model
A
10. Given a hole with a size dimension of ∅12.5±0.35 and a positional tolerance of ∅0.15 at MMC, what is the positional tolerance at ∅12.15? A. 0.15 B. 0.45C. 0.65 D. 0.85
A
11. Given a ∅24±0.25 hole located with a positional tolerance at MMC of ∅0, what is the positional tolerance at a produced size of ∅23.75? A. 0 B. 0.05C. 0.25 D. 0.50
A
12.A _____ is a theoretically perfect plane, surface, point, line, axis, or a combination thereof, derived from the true geometric counterpart. A. datum B. datum featureC. datum feature simulator D. simulated datum
A
16. A datum feature symbol placed on the extension line from a surface and offset from the dimension line arrowhead indicates a _____.A. datum surface B. datum axisC. datum center plane D. simulated datum
A
18. Model-based definition is also referred to as _____. A. digital product definition B. product and manufacturing information C. computer numerical control D. engineering drafting
A
3. _____ is the general term applied to describe a physical portion of a part or object. A. Feature B. Feature of sizeC. Actual size D. Dimension
A
9. When applying geometric tolerances to threaded fasteners, the tolerance applies to the _____ of the thread.A. pitch diameter B. major diameterC. minor diameter D. included angle
A
1. A _____ tolerance defines a zone in which the center, axis, or center plane of a feature of size can vary from true position. A. straightness B. positionalC. parallelism D. flatness
B
1. The lettering height on most decimal inch engineering drawings is _____. A. .06′′ B. .12′′C. .18′′ D. .25′
B
1. _____ are theoretically perfect planes, surfaces, points, lines, axes, or a combination thereof, derived from the true geometric counterpart. A. Origins B. DatumsC. Datum features D. Simulated datums
B
13. Two or more cylindrical features that share the same axis are said to be _____ features.A. coplanar B. coaxial C. symmetrical D. translational
B
14. A _____ is an actual feature of a part used to establish a datum. A. simulated datum B. datum featureC. datum feature simulator D. true geometric counterpart
B
5. A _____ is a set of three mutually perpendicular intersecting datum planes and three mutually perpendicular axes at the intersection of those planes. A. feature control frame B. datum reference frameC. datum feature reference D. simulated datum
B
5. A positional tolerance establishes a _____ when applied to a circular feature of size.A. spherical tolerance zone B. cylindrical tolerance zone C. tolerance zone defined by two parallel planesD. tolerance zone defined by two uniform boundaries
B
5. Given a shaft with ∅.750±.005 X 3.750 LG dimensions and a surface straightness tolerance of .002 used to control line elements, what is the allowable straightness tolerance when the actual shaft measures ∅.750?A. .000 B. .002C. .007 D. .012
B
5. The _____ is the measured size after production. A. boundary B. actual produced sizeC. limits of size D. specified dimension
B
6. A _____ plane is a plane that contacts the high points of the specified surface. A. basic B. tangentC. profile D. center
B
6. Given a hole with a size dimension of ∅26.5±0.2 and a positional tolerance of 0.05 at MMC, what is the virtual condition? A. 25.8 B. 26.25C. 26.55 D. 26.75
B
7. Which of the following material condition applications is assumed for all geometric tolerances unless otherwise specified? A. MMC B. RFSC. RMB D. MMB
B
8. _____ are indicated on a drawing or model by an "X" that is 2H in height, where"H" is the letter height used on the drawing. A. Datum feature references B. Datum target pointsC. Datum feature symbols D. Datum target areas
B
9. _____ is the term applied when the limits of the controlled feature must be within the radius tolerance zone and there can be no reversals in the contour.A. Radius B. Controlled radiusC. Diameter D. Circumference
B
1. Runout is always controlled on a _____ basis.A. MMC B. MMBC. RFS D. LMC
C
10. Given a ∅24±0.25 hole located with a positional tolerance at MMC of ∅0.08, what is the positional tolerance at a produced size of ∅24.25? A. 0.08 B. 0.33C. 0.58 D. 0.13
C
10. The true geometric form of a feature at maximum material condition is called the _____.A. true position B. extreme form variationC. perfect form boundary D. MMC
C
10. _____ is the condition where a feature of size contains the maximum amount of material within the stated limits. A. True position B. Free state conditionC. Maximum material condition D. Least material condition
C
11. A _____ dimension is the part of the dimension from where the limits are calculated.A. basic B. referenceC. specified D. limit
C
16. What is the minimum distance between the surface of the hole in Question 15 and a plane established by a surface identified as datum feature C if the center of the hole is 40 mm basic from datum feature C?A. 25.875 B. 27.475C. 27.8 D. 28.05
C
16. _____ is the assigning of tolerances to related dimensions based on the requirements of SPC. A. Conventional dimensioning B. Free state variationC. Statistical tolerancing D. Extreme form variation
C
17. A(n) _____ model is a 3D model in which dimensions and GD&T information are applied directly to the model geometry. A. surface B. associatedC. annotated D. engineering
C
18. A dimension stated as 12.5±0.25 is described as _____. A. an unequal bilateral tolerance B. a unilateral toleranceC. plus and minus tolerancing D. limit dimensioning
C
18. _____ dimensioning is a dimensioning system in which angular dimensions are combined with other dimensions to locate features from planes, centerlines, or center planes. A. CoordinateB. LinearC. Polar coordinate D. Rectangular coordinate
C
19. Which of the following is the MMC of a hole with the dimension 32.50±0.15? A. 32.65 B. 33.00C. 32.35 D. 32.50
C
19. _____ refers to the distortion of a part after removal of forces applied during manufacturing. A. Maximum material condition B. Restrained conditionC. Free state variation D. Average diameter
C
7. _____ symbols modify or change the geometric tolerance in relation to the produced size of the feature. A. Geometric characteristic B. Datum featureC. Material condition D. Dimensioning
C
8. A positional tolerance at _____ means that the specified positional tolerance applies when the feature is manufactured at its maximum material condition. A. RFS B. LMCC. MMC D. RMB
C
1. _____ tolerances control the form, size, orientation, and/or location of straight lines or surfaces, arcs, and irregular curves. A. Flatness B. OrientationC. Straightness D. Profile
D
14. Which of the following material condition symbols must be specified in the feature control frame after the tolerance value when required? A. RFS, MMC B. RFS, LMCC. RFS D. MMC, LMC
D
3. Which of the following is the MMC of a shaft with the dimension 28.75±0.15? A. 28.60 B. 28.75C. 28.80 D. 28.90
D
5. Given a pin with a size dimension of ∅.875±.003 and a perpendicularity tolerance of .002 at MMC relative to a primary datum, what is the virtual condition?A. .870 B. .874C. .876 D. .880
D
5. The form of drafting used by the manufacturing industry is _____ drafting. A. architectural B. civilC. structural D. mechanical
D
5. _____ symbols are often referred to as modifying symbols. A. Dimensioning B. Geometric characteristicC. Datum feature D. Material condition
D
6. The term _____ applies when the entire geometric tolerance zone is on one side of true profile. A. between two points B. all aroundC. bilateral D. unilateral
D
7. A(n) _____ is considered theoretically perfect in size, profile, orientation, or location and is the basis from which variations are established.A. stock size B. actual sizeC. nominal size D. basic dimension
D
7. Datum feature symbols are applied to _____. A. centerlines B. center planesC. axes D. feature surfaces
D
10. A(n) _____ tolerance is permitted to vary in both the plus (+) and minus (-) directions from the specified dimension. A. bilateral B. specifiedC. basic D. interchangeable
A
13. Given a ∅24±0.25 hole located with a positional tolerance of ∅0.15 RFS, what is the positional tolerance at a produced size of ∅24? A. 0.15 B. 0.25C. 0.40 D. 0.65
A
13. _____ is required when a part is produced at MMC. A. Perfect form B. Extreme form variationC. Perfect variation D. Perfect size
A
13. _____ is the condition of a surface where all the elements are in one plane. A. Flatness B. CircularityC. Straightness D. Cylindricity
A
14. Two or more surfaces on the same plane are said to be _____ features. A. coplanar B. coaxialC. symmetrical D. translational
A
14. Which of the following is the LMC of a hole with the dimension 32.5±0.15? A. 32.65 B. 33.5C. 32.35 D. 32.5
A
15. A datum feature symbol placed on the edge view of a surface indicates a _____. A. datum surface B. datum axisC. datum center plane D. simulated datum
A
2. A _____ tolerance is specified by a position geometric characteristic symbol, a geometric tolerance, and appropriate datum feature references placed in a feature control frame. A. positional B. parallelismC. perpendicularity D. flatness
A
2. A(n) _____ is a feature on a part that is used to establish a datum. A. datum feature B. originC. true geometric counterpart D. simulated datum
A
2. The lettering height on most metric engineering drawings is _____. A. 3 mm B. 4 mmC. 6 mm D. 8 mm
A
2. The term _____ applies to situations where one part to be assembled has an integral or held-in-place fastener. A. fixed fastener B. floating fastenerC. interference fit D force fit
A
3. Virtual condition is the boundary that takes into consideration the combined effect of feature size at _____ and the related geometric tolerance. A. MMC or LMC B. true positionC. resultant condition D. restrained condition
A
3. _____ is the condition of a surface, center plane, or axis at any specified basic angle from a datum plane or datum axis. A. Angularity B. PerpendicularityC. Parallelism D. Straightness
A
4. Given a hole with a size dimension of ∅.875±.003 and a positional tolerance of .002 at MMC, what is the virtual condition? A. .870 B. .874C. .876 D. .880
A
4. Given a shaft with ∅.750±.005 X 3.750 LG dimensions and a surface straightness tolerance of .002 used to control line elements, what is the allowable straightness tolerance when the actual shaft measures ∅.755?A. .000 B. .002C. .007 D. .012
A
4. When applied to surfaces constructed around a datum axis, circular runout controls _____. A. form and coaxiality variations B. coplanarity variationsC. wobble of a plane surface D. All of the above.
A
4. Which of the following is the MMC of a hole with the dimension 28.75±0.15? A. 28.60 B. 28.75C. 28.80 D. 28.90
A
7. When the axis of a hole is located at an extreme angle inside the positional tolerance zone, the extreme angle location is referred to as _____. A. extreme attitude variation B. extreme positional variationC. extreme form variation D. free state variation
A
8. The _____ of a feature control the amount of variation in size and geometric form.A. limits of size B. nominal limitsC. actual limits D. boundaries
A
8. _____ refers to a condition where two or more features have the same axis. A. Coaxiality B. CoplanarityC. Symmetry D. Parallelism
A
9. Given a ∅24±0.25 hole located with a positional tolerance at MMC of ∅0.08, what is the positional tolerance at a produced size of ∅23.75? A. 0.08 B. 0.13C. 0.33 D. 0.58
A
9. The letters _____, _____, and _____ cannot be used to identify a datum feature. A. I, O, Q B. X, Y, ZC. AA, BB, CC D. D, E, F
A
1. The term _____ applies to situations where two or more parts are assembled with fasteners, such as bolts and nuts, and all parts have clearance holes for the fasteners.A. fixed fastener B. floating fastenerC. interference fit D force fit
B
1. Which of the following statements is true regarding millimeter dimensions? A. A zero does not precede a decimal millimeter dimension that is less than one.B. The decimal point and zero after it are omitted when the metric dimension is a whole number.C. The last digit to the right of the decimal point is followed by a zero when the millimeter dimension is greater than a whole number by a fraction of a millimeter.D. When using unilateral tolerances, a single 0 is used with a + or - sign for the 0 part of the value.
B
10. Theoretically perfect surfaces, planes, points, or axes are called _____. A. basic dimensions B. datumsC. feature control frames D. material conditions
B
11. Which of the following is the MMC of a shaft with the dimension .625±.005? A. .625 B. .630C. .620 D. .635
B
11. _____ are indicated on a drawing or model by a chain line next to the edge of a surface.A. Coplanar surface datums B. Partial datum surfacesC. Common datum features D. Coaxial datum features
B
11. _____ can be applied as a means of preventing an abrupt surface variation within a relatively short length of the feature. A. Derived median line straightness B. Unit straightnessC. Surface straightness D. Total straightness
B
12. When a straightness tolerance is applied to a flat surface, the tolerance controls the _____.A. feature axisB. single line elements on the surfaceC. derived median line D. derived median plane
B
12. Which of the following is the type of control used when the feature control frame is connected to the surface of a feature by the leader or extension line? A. Derived median line B. SurfaceC. Derived median plane D. Axis
B
15. A _____ is a point, axis, line, or plane, or a combination thereof, derived from a datum feature simulator.A. datum B. simulated datum. C.datum feature D. true geometric counterpart
B
15. The geometric tolerances of circular runout, total runout, profile of a line, and profile of a surface are applied only on what basis? A. MMC B. RFSC. LMC D. AME
B
15. _____ describes distortion of a part after the removal of forces applied during manufacturing. A. Translation B. Free state variationC. Statistical tolerance D. Projected tolerance
B
15. _____ is a surface condition in which all points on any cross section taken perpendicular to the axis of a cylinder or cone, or through the common center of a sphere, are equidistant from the axis or common center. A. Flatness B. CircularityC. Straightness D. Cylindricity
B
16. Which of the following statements is not true regarding datum precedence? A. Datum precedence is established by the order of placement of datum feature references in the feature control frame.B. Datum feature reference letters are established in alphabetical order. C. The first datum referenced in the feature control frame is the primary datum. D. The third datum referenced in the feature control frame is the tertiary datum.
B
17. A _____ tolerance establishes a tolerance zone formed by two concentric circles within which the actual surface must lie.A. flatness B. circularityC. straightness D. cylindricity
B
17. A datum feature symbol placed on the extension line and aligned with the arrowhead of a dimension line for a cylindrical object indicates a _____. A. datum surface B. datum axisC. datum center plane D. simulated datum
B
17. _____ is a method of monitoring a manufacturing process by using statistical signals to either leave the process alone, or change it as needed, to maintain the quality intended in the dimensional tolerancing. A. GDT B. SPCC. RFS D. MMC
B
18. A datum feature symbol placed on the shoulder of a leader line connected to the diameter of a feature indicates a _____.A. datum surface B. datum axisC. datum center plane D. simulated datum
B
19. A _____ dimension is enclosed in parentheses and used for information only. A. limit B. referenceC. basic D. nominal size
B
19. A datum feature symbol placed on a feature control frame connected to a diameter dimension indicates a _____.A. datum surface B. datum axisC. datum center plane D. simulated datum
B
19. A(n) _____ requirement applies to positional tolerances when multiple patterns of features are located relative to common datum features referenced in the same order of precedence at the same material boundary condition. A. individual B. simultaneousC. multiple D. virtual
B
2. A(n) _____ is a representation that encloses a volume and contains information about mass.A. 2D drawing B. solid modelC. surface model D. orthographic view
B
2. Which material condition applies for straightness unless otherwise specified? A. MMC B. RFSC. LMC D. LMB
B
2. Which of the following is the MMC of a hole with the dimension .875 +.000 -.003?A. .875 B. .872C. .878 D. .905
B
2. _____ is the condition of a surface, center plane, or axis at a right angle (90°) to a datum plane or datum axis. A. Angularity B. PerpendicularityC. Parallelism D. Straightness
B
20. Parts that may have dimensional change due to thin wall characteristics are referred to as _____ parts. A. translational B. nonrigidC. nominal D. simulated
B
20. Which of the following processes uses computer-controlled machine tools to automate machining processes? A. Mechanical computer-aided design B. Computer-aided manufacturing C. Mechanical drafting D. Engineering drafting
B
21. A datum feature symbol replacing the arrowhead of a dimension for a cylindrical feature indicates a _____. A. datum surface B. datum axisC. datum center plane D. simulated datum
B
22. Features having a common axis are said to be _____. A. conical B. coaxialC. coplanar D. symmetrical
B
3. Machine tables, surface plates, gages, and fixtures can all serve as _____. A. datum features B. datum feature simulatorsC. true geometric counterparts D. simulated datums
B
3. When _____ is specified, the feature control frame is placed below the diameter dimension.A. surface straightness B. derived median line straightnessC. surface flatness D. unit flatness
B
3. When circular runout applies to a surface of revolution, the circular runout tolerance zone is defined by two _____ coaxial to the datum axis. A. concentric cylinders B. concentric circlesC. parallel planes D. parallel lines
B
4. The symbols used in GD&T to provide specific controls related to the form of an object; the orientation or outline of features; the relationship of features to an axis; or the location of features are called _____ symbols. A. dimensioning B. geometric characteristicC. reference D. basic
B
5. The _____ is the total amount that a specific dimension is permitted to vary. A. nominal size B. toleranceC. specified dimension D. reference dimension
B
5. When applying an angularity geometric tolerance, the specified angle must be established with a _____ dimension from a datum plane or datum axis. A. bilateral tolerance B. basicC. directly toleranced D. plus and minus
B
5. _____ is used where it is desired to control the entire surface as a single entity. A. Profile of a line B. Profile of a surfaceC. Profile of a line all around D. Straightness
B
6. Given a shaft with ∅.750±.005 X 3.750 LG dimensions and a derived median line straightness tolerance of ∅.002 RFS, what is the allowable straightness tolerance when the actual shaft measures ∅.755? A. ∅.000 B. ∅.002C. ∅.007 D. ∅.012
B
6. The _____ are the largest and smallest numerical values that a feature can be. A. references B. limitsC. stock sizes D. tolerances
B
6. The _____ symbol is used to identify datums. A. geometric characteristic B. datum featureC. material boundary D. material condition
B
6. When the axis of a hole is located at the extreme side of the positional tolerance zone, the extreme side location is referred to as _____. A. extreme attitude variation B. extreme positional variationC. extreme form variation D. free state variation
B
7. Given a shaft with ∅.750±.005 X 3.750 LG dimensions and a derived median line straightness tolerance of ∅.002 RFS, what is the allowable straightness tolerance when the actual shaft measures ∅.745? A. ∅.000 B. ∅.002C. ∅.007 D. ∅.012
B
7. Which of the following is not one of the benefits of GD&T? A. GD&T helps reduce the number of design revisions. B. Tolerance accumulation is overcome through the use of chain dimensioning. C. Parts can be produced within specified tolerances to allow for interchangeable manufacturing.D. GD&T helps ensure that defective parts are rejected and quality parts are accepted.
B
7. _____ refers to a condition where two or more surfaces on a part are on the same plane. A. Coaxiality B. CoplanarityC. Symmetry D. Cylindricity
B
8. A _____ dimension has an associated plus and minus (±) tolerance or limit dimension values.A. basic B. directly tolerancedC. reference D. limited
B
8. Given a shaft with ∅.750±.005 X 3.750 LG dimensions and a derived median line straightness tolerance of ∅.002 at MMC, what is the allowable straightness tolerance when the actual shaft measures ∅.755? A. ∅.000 B. ∅.002C. ∅.007 D. ∅.012
B
1. Which of the following is the MMC of a shaft with the dimension .875 +.003 -.000?A. .875 B. .872C. .878 D. .905
C
1. _____ is a condition where an element of a surface or a derived median line is in a straight line. A. Flatness B. CircularityC. Straightness D. Cylindricity
C
1. _____ is the condition of a surface or center plane in which all points are equidistant from a datum plane. A. Angularity B. PerpendicularityC. Parallelism D. Straightness
C
11. The term used to indicate that a geometric tolerance applies at any increment of size of the feature within its size tolerance is _____.A. least material condition B. maximum material conditionC. regardless of feature size D. limits of size
C
11. There is no symbol for the _____ material condition application because it is assumed for all geometric tolerance references unless another material condition is specified. A. MMCB. LMCC. RFS D. LMB
C
11. _____ is a single worst-case boundary that takes into consideration the joint effect of feature size at MMC or LMC and the geometric tolerance for that material condition, the size tolerance, and the added geometric tolerance derived from the feature departure from its specified material condition. A. Free state variationB. True positionC. Resultant condition D. Virtual condition
C
12. Which of the following is the MMC of a hole with the dimension .625±.005? A. .625 B. .630C. .620 D. .615
C
13. A _____ is a physical boundary used to establish a simulated datum from a specified datum feature. A. datum plane B. datum featureC. datum feature simulator D. true geometric counterpart
C
13. Which of the following is the LMC of a shaft with the dimension 32.5±0.15? A. 32.65 B. 33.5C. 32.35 D. 32.5
C
14. A(n) _____ dimension is a theoretically perfect dimension. A. untoleranced B. specifiedC. basic D. exact
C
14. Given a ∅24±0.25 hole located with a positional tolerance at LMC of ∅0.15, what is the positional tolerance at a produced size of ∅24? A. 0.15 B. 0.25C. 0.40 D. 0.65
C
20. A datum feature symbol replacing the arrowhead of a dimension for a rectangular, symmetrical feature indicates a _____. A. datum surface B. datum axisC. datum center plane D. simulated datum
C
20. Which of the following statements is not true regarding dimensioning and tolerancing practices? A. The as-designed dimensional value does not establish a functional or manufacturing target.B. Only dimensions needed for definition should be given. C. The manufacturing process, such as "DRILL" or "REAM," should accompany a dimension.D. Unless otherwise specified, tolerances apply for the full depth, length, and width of the feature.
C
21. Which of the following is shown when two position symbols are used, with each displayed in a separate compartment of a feature control frame doubled in height? A. Composite feature control frame B. Single-segment feature control frameC. Two single-segment feature control frameD. Two separate feature control frames
C
22. A simulated datum axis is the axis derived from the _____. A. datum surface B. true geometric counterpartC. datum feature simulator D. datum center plane
C
23. When a screw thread is identified as a datum feature, the datum axis is established from the _____ unless otherwise specified. A. major diameter B. minor diameterC. pitch cylinder D. external cylinder
C
3. Profile tolerances are assumed to be _____. A. between two points B. all aroundC. equally disposed bilateral D. unilateral
C
3. The use of the _____ modifier applied to the positional tolerance allows the tolerance zone to increase as the feature size departs from its maximum material condition.A. LMC B. LMBC. MMC D. MMB
C
4. The measured size of a feature after manufacturing is the _____. A. reference size B. feature of sizeC. actual size D. stock size
C
4. When any single line element of a surface must be held perpendicular or parallel to a specified datum, then the note _____ is placed below the feature control frame. A. SINGLE ELEMENT B. ALL AROUND C. EACH ELEMENT D. BETWEEN
C
9. Datum target _____ are indicated by an "X" on the edge view of the surface and by a phantom line on the surface view. A. symbols B. pointsC. lines D. areas
C
10. Datum target _____ are indicated on a drawing or model by a phantom line outline with section lines placed inside. A. symbols B. pointsC. lines D. areas
D
10. Given a shaft with ∅.750±.005 X 3.750 LG dimensions and a derived median line straightness tolerance of ∅.002 at MMC, what is the allowable straightness tolerance when the actual shaft measures ∅.745? A. ∅.000 B. ∅.002C. ∅.007 D. ∅.012
D
12. Given a ∅24±0.25 hole located with a positional tolerance at MMC of ∅0, what is the positional tolerance at a produced size of ∅24.25? A. 0 B. 0.05C. 0.25 D. 0.50
D
12. There is no symbol for the _____ material boundary application because it is assumed for all datum feature references unless another applicable material boundary is specified. A. MMCB. LMCC. LMB D. RMB
D
12. When positional tolerancing is applied to control coaxiality between features and the datum feature is referenced on an MMB basis, any departure of the datum feature from MMB results in an additional displacement between the datum axis and the controlled feature axis. The maximum allowable distance between the datum feature axis and the controlled feature axis can be calculated at various produced sizes using the following formula:A. a2+ b2 = c2B. a - b = cC. c + b = aD. a + b = c
D
12. _____ are used when two datum features are used to establish a single datum axis.A. Coplanar surface datums B. Partial datum surfacesC. Tangent planes D. Coaxial datum features
D
13. A geometric tolerance, geometric characteristic, modifiers, and datum feature reference for an individual feature are specified with a(n) _____. A. datum target symbol B. feature control boxC. datum feature symbol D. feature control frame
D
15. Given a ∅24±0.25 hole located with a positional tolerance at LMC of ∅0.15, what is the positional tolerance at a produced size of ∅23.75? A. 0.15 B. 0.25C. 0.40 D. 0.65
D
16. A _____ tolerance establishes a tolerance zone formed by two perfectly concentric cylinders within which the actual surface must lie. A. flatness B. circularityC. straightness D. cylindricity
D
16. Tolerance accumulation is associated with chain dimensioning and _____. A. descriptive geometry B. model geometryC. geometric tolerancing D. coordinate tolerancing
D
16. _____ fits should define only the location of the mating parts. A. Running and sliding B. ForceC. Shrink D. Locational
D
17. _____ dimensioning is a dimensioning system in which linear dimensions are used to locate features from planes, centerlines, or center planes. A. Angular B. Angular coordinateC. Polar coordinate D. Rectangular coordinate
D
17. _____ is an intentional difference between the maximum material limits of mating parts. A. Free state variation B. Nominal sizeC. Actual size D. Allowance
D
17. _____ is implied when no material boundary symbol is used in the feature control frame following the datum feature reference. A. LMB B. MMB C. RFS D. RMB
D
18. Which of the following statements is not true regarding material boundary condition?A. RMB is the condition in which a datum is established from a true geometric counterpart that progresses from MMB toward LMB until it makes maximum contact with the farthest points of the datum feature.B. The MMB and LMB symbols are only used in the feature control frame if the datum feature has applicable material boundaries.C. The MMB for an internal datum feature of size is the largest MMB that the datum feature contains while ensuring datum feature precedence.D. The LMB for an external datum feature of size is the smallest LMB that contains the feature while ensuring datum feature precedence.
D
18. _____ represents a control that covers both circular and longitudinal elements at the same time.A. Flatness B. Specific area flatnessC. Circularity D. Cylindricity
D
19. A _____ relies on an associated model to define features. A. feature control frame B. basic dimensionC. true geometric counterpart D. limited dimension drawing
D
2. Which of the following can be controlled by a runout tolerance? A. Circular elements of a surface. B. Cumulative variations of circularity, cylindricity, straightness, and coaxialityC. Variations in perpendicularity and flatness.D. All of the above.
D
2. Which of the following statements is not true regarding inch dimensions? A. A zero does not precede a decimal inch dimension that is less than one. B. A specified inch dimension is expressed to the same number of decimal places as its tolerance.C. Plus and minus values of an inch tolerance have the same number of decimal places.D. When using unilateral tolerances, a single 0 is used with a + or - sign for the 0 part of the value.
D
23. A _____ is used to control the alignment of two or more holes that share a common axis without excessively restricting the locating tolerance by placing one position symbol in a feature control frame doubled in height. A. single-segment positional toleranceC. multiple single-segment positional toleranceB. two single-segment positional toleranceD. composite positional tolerance
D
24. The true geometric counterpart for a width feature of size is _____. A. a surface B. an axisC. a centerline D. two parallel planes
D
3. A(n) _____ is the total amount a dimension or feature is permitted to vary. A. annotation B. specified dimensionC. standard D. tolerance
D
3. Dimensioning and GD&T symbols are drawn using lines that are the same thickness as _____.A. border lines B. object linesC. cutting-plane lines D. dimension lines
D
4. The _____ is the basis of the profile tolerance and is established by basic dimensions.A. true position B. true surfaceC. basic surface D. true profile
D
4. The items described in Question 3 are used to contact the datum features and establish what are known as _____. A. feature control frames B. datum feature symbolsC. true geometric counterparts D. simulated datums
D
4. The theoretically exact location of a feature is the _____. A. maximum material condition B. least material conditionA. spherical tolerance zone B. cylindrical tolerance zoneC. extreme positional variation D. true position
D
7. Given a pin with a size dimension of ∅26.5±0.2 and a perpendicularity tolerance of 0.05 at MMC relative to a primary datum, what is the virtual condition? A. 25.8 B. 26.25C. 26.55 D. 26.75
D
8. A _____ tolerance can be used when the control of the axes of cylindrical features is specified on a material condition basis. A. cylindricity B. circularityC. straightness D. positional
D
8. The symbols used in the feature control frame to modify the geometric tolerance, other than the implied condition, are _____. A. MMC, RFS B. LMC, RFSC. MMC, RMB D. MMC, LMC
D
9. Which of the following methods uses the rectangular coordinate system to locate the features of a part according to linear distances from the X, Y, and Z axes?A. Descriptive geometry B. Geometric tolerancingC. Polar coordinate dimensioning D. Coordinate tolerancing
D
9. _____ is where the form of the feature can vary between the upper limit and lower limit of a size dimension.A. True position B. Perfect formC. Datum precedence D. Extreme form variation
D
