Question 1

Circularity can be applied to ____.

Accepted Answer

Circularity, in geometric dimensioning and tolerancing, refers to the condition where a feature's cross-section is a perfect circle. This can apply to cylindrical, conical, and spherical shapes, as all can have circular cross-sections at any given slice.

Question 2

Which of the following is not a type of location tolerance?

Accepted Answer

Perpendicularity is a type of orientation tolerance, not a location tolerance.

Question 3

When locating multiple features, they are identified by ____.

Accepted Answer

When locating multiple features, they can be identified by their size, position, or quantity. Therefore, the correct answer is D, all of the above.

Question 4

When a datum feature symbol and a feature control frame are combined, ____.

Accepted Answer

The answer of When a datum feature symbol and a...

Question 5

When the unilateral profile tolerance has material taken from the feature or part, the profile tolerance value is placed before the unequally disposed symbol and a 0 is placed after the unequally disposed symbol to denote that the entire profile tolerance is inside of true profile.

Accepted Answer

This statement is true. When material is taken from a feature or part, the profile tolerance value is placed before the unequally disposed symbol and a 0 is placed after to indicate that the entire profile tolerance zone is contained within the true profile of the feature.

Question 6

The profile tolerance can be between two given points of the object. This specification is shown by using the between symbol under the feature control frame. Any combination of letters can be used, such as A and B or C and D, or X and Y. The true profile is established by a basic or tolerance dimension.

Accepted Answer

This statement is accurate and true. The profile tolerance can indeed be specified between two given points on the object by using the between symbol under the feature control frame, and any letter combination can be used. The true profile is established by a basic or tolerance dimension.

Question 7

Which one of the following describes the left to right order of a feature control frame?

Accepted Answer

The correct order in a feature control frame is the geometric characteristic symbol, followed by the tolerance zone descriptor, then the geometric characteristic tolerance, and finally the datum reference.

Question 8

A unilateral profile is where the entire tolerance zone is on one side of the true profile. When a unilateral profile tolerance is required, the unequally disposed symbol is placed after the geometric tolerance in the feature control frame.

Accepted Answer

This statement accurately describes a unilateral profile tolerance and the placement of the unequally disposed symbol in the feature control frame.

Question 9

The circularity tolerance must be less than the size tolerance, except for parts subject to free state variation. Free state variation is the distortion of a part after removal of forces applied after manufacture.

Accepted Answer

The answer of The circularity tolerance must be less than...

Question 10

All parts have six degrees of freedom. There are three translational degrees of freedom and three rotational degrees of freedom. The term degrees of freedom means the number of coordinates it takes to control the position of a part exclusively. The term rotational refers to uniform movement without rotation, and the term translational refers to movement around an axis.

Accepted Answer

The term rotational refers to movement around an axis, and the term translational refers to uniform movement without rotation.

Question 11

A datum reference frame consists of ____ perpendicular planes.

Accepted Answer

A datum reference frame consists of three mutually perpendicular planes, typically labeled as X, Y, and Z. These planes are used to establish a 3D coordinate system for specifying the location, orientation, and tolerances of features on a part or assembly.

Question 12

In what ways do surface datum feature symbol applications, axis datum symbol applications, and center plane datum symbol applications differ from each other?

Accepted Answer

The three datum symbols have some similarities, such as the use of an equilateral triangle and a letter to identify the datum. However, the way they are applied differs. Surface datums are positioned with an offset from the dimension line arrows, while axis datums and center plane datums can align with the dimension line arrows.

Question 13

True position is the theoretically exact location ____ of a feature.

Accepted Answer

True position is the theoretically exact location of a feature in relation to both the axis and center plane as well as the datum. Therefore, the correct choice is D, which states that it is the location of the axis and the center plane in relation to the datum.

Question 14

The profile tolerance specifies a uniform boundary along the true profile within which the elements of the surface must lie, and can be used to control form or combinations of size, form, and orientation.

Accepted Answer

The statement accurately describes the function and purpose of profile tolerance in geometric dimensioning and tolerancing (GD&T).

Question 15

The three plane dimensioning system used for datum referencing is called ____.

Accepted Answer

The three plane dimensioning system used for datum referencing does not match any of the given options directly. This system is typically referred to as a "three-plane datum system" or similar, but none of the provided choices (A) partial surface datum, (B) coplanar surface datum, (C) datum axis, (D) feature control frame accurately describe this concept.

Question 16

A movable datum target symbol is used to indicate that the datum target is not fixed at its basic location and is free to translate.

Accepted Answer

A movable datum target symbol indicates that the target is free to translate and can be moved from its basic location. This symbol is typically represented by a triangle with an "M" inside.

Question 17

Which of the following is not a type of geometric tolerance?

Accepted Answer

All of the listed options are types of geometric tolerance, therefore none of the above is not a type of geometric tolerance.

Question 18

"FIM" is an acronym for ____.

Accepted Answer

"FIM" stands for "full indicator movement," which is a term used in precision measurement to describe the total range of movement of a dial indicator's needle.

Question 19

The location tolerance specifies the amount that ____ of the feature is (are) allowed to deviate from true position.

Accepted Answer

The location tolerance specifies the amount that the axis of the feature is allowed to deviate from its true position.

Question 20

When the profile tolerance is not equally split on each side of true profile, the total profile tolerance value is placed before the unequally disposed symbol in the feature control frame and the value of the tolerance that adds material to the feature or part is placed after the unequally disposed symbol.

Accepted Answer

This statement is true. When the profile tolerance is not equally split, the total tolerance value is placed before the unequally disposed symbol in the feature control frame, and the value of the tolerance that adds material is placed after the symbol. This can help ensure that the feature meets design requirements while still allowing for some variation in its shape or position.

Quiz 11: Reading Geometric Dimensioning and Tolerancing