IET 451 CHAPTER 5 questions well
answered already passed
1. True or False? The MMB and LMB symbols are only used if the datum feature has applicable
material boundaries defined by size and geometric tolerances. - correct answer ✔✔ T
2. True or False? A feature of size is one cylindrical or spherical surface, a circular element, or
two parallel opposed line elements or opposed parallel surfaces, each of which is associated
with a directly toleranced dimension. - correct answer ✔✔ T
3. True or False? A feature without size is a feature that cannot be associated with a size
dimension. - correct answer ✔✔ T
4. True or False? An irregular feature of size is a directly toleranced feature or a group of
features that can contain, or be contained by, an unrelated actual mating envelope. - correct
answer ✔✔ T
5. True or False? An actual mating envelope is a perfect feature counterpart equivalent to the
largest size that can be contracted around an external feature or the smallest size that can be
expanded within an internal feature. - correct answer ✔✔ F
6. True or False? The true geometric form of the feature at MMC is called the true geometric
boundary. - correct answer ✔✔ F
7. True or False? Regardless of material boundary (RMB) is the condition in which a datum is
established from a true geometric counterpart that progresses from the maximum material
boundary (MMB) toward the least material boundary (LMB) until it makes maximum contact
with the farthest points of the datum feature. - correct answer ✔✔ T
, 8. True or False? Form control of a derived median line is applicable when a feature control
frame specifying a form tolerance is connected with a leader to the surface of the feature, or
extended from an extension line from the surface of the feature. - correct answer ✔✔ F
9. True or False? Form control of a surface is applicable when a feature control frame specifying
a form tolerance is placed with the size dimension of the related feature. - correct answer ✔✔
F
10. True or False? Regardless of feature size (RFS) is the condition in which a given geometric
tolerance applies at any increment of size of the feature within its size tolerance. - correct
answer ✔✔ T
11. True or False? Maximum material condition (MMC) is the condition where a feature of size
has the maximum amount of material within the stated limits of size. - correct answer ✔✔ T
12. True or False? The maximum diameter of a hole is an MMC application. - correct answer
✔✔ F
13. True or False? Least material condition (LMC) is the condition where a feature of size has the
least amount of material within the stated limits of size. - correct answer ✔✔ T
14. True or False? The minimum diameter of a hole is an LMC application. - correct answer ✔✔
F
15. True or False? The LMC symbol is often used in the feature control frame to control the
minimum wall thickness of a part. - correct answer ✔✔ T
16. True or False? When a datum feature has a directly toleranced size dimension and a
geometric form tolerance, the size of the true geometric counterpart is the MMB size limit. -
correct answer ✔✔ T
answered already passed
1. True or False? The MMB and LMB symbols are only used if the datum feature has applicable
material boundaries defined by size and geometric tolerances. - correct answer ✔✔ T
2. True or False? A feature of size is one cylindrical or spherical surface, a circular element, or
two parallel opposed line elements or opposed parallel surfaces, each of which is associated
with a directly toleranced dimension. - correct answer ✔✔ T
3. True or False? A feature without size is a feature that cannot be associated with a size
dimension. - correct answer ✔✔ T
4. True or False? An irregular feature of size is a directly toleranced feature or a group of
features that can contain, or be contained by, an unrelated actual mating envelope. - correct
answer ✔✔ T
5. True or False? An actual mating envelope is a perfect feature counterpart equivalent to the
largest size that can be contracted around an external feature or the smallest size that can be
expanded within an internal feature. - correct answer ✔✔ F
6. True or False? The true geometric form of the feature at MMC is called the true geometric
boundary. - correct answer ✔✔ F
7. True or False? Regardless of material boundary (RMB) is the condition in which a datum is
established from a true geometric counterpart that progresses from the maximum material
boundary (MMB) toward the least material boundary (LMB) until it makes maximum contact
with the farthest points of the datum feature. - correct answer ✔✔ T
, 8. True or False? Form control of a derived median line is applicable when a feature control
frame specifying a form tolerance is connected with a leader to the surface of the feature, or
extended from an extension line from the surface of the feature. - correct answer ✔✔ F
9. True or False? Form control of a surface is applicable when a feature control frame specifying
a form tolerance is placed with the size dimension of the related feature. - correct answer ✔✔
F
10. True or False? Regardless of feature size (RFS) is the condition in which a given geometric
tolerance applies at any increment of size of the feature within its size tolerance. - correct
answer ✔✔ T
11. True or False? Maximum material condition (MMC) is the condition where a feature of size
has the maximum amount of material within the stated limits of size. - correct answer ✔✔ T
12. True or False? The maximum diameter of a hole is an MMC application. - correct answer
✔✔ F
13. True or False? Least material condition (LMC) is the condition where a feature of size has the
least amount of material within the stated limits of size. - correct answer ✔✔ T
14. True or False? The minimum diameter of a hole is an LMC application. - correct answer ✔✔
F
15. True or False? The LMC symbol is often used in the feature control frame to control the
minimum wall thickness of a part. - correct answer ✔✔ T
16. True or False? When a datum feature has a directly toleranced size dimension and a
geometric form tolerance, the size of the true geometric counterpart is the MMB size limit. -
correct answer ✔✔ T
