Question 1

The least material condition (LMC) for a shaft is the smallest allowable diameter that leaves the maximum amount of material.

Accepted Answer

A) True 
 B)False

Question 2

Tolerance dimensions that allow variation in both directions from a basic dimension are called _____ tolerance dimensions.

Accepted Answer

A)   general
B)   angle
C)   unilateral
D)   bilateral

Question 3

If a dimension is written as 2.50" ± .04, what is the largest size that the actual dimension can be?

Accepted Answer

A)   .04"
B)   2.50"
C)   2.46"
D)   2.54"

Question 4

Unilateral tolerance dimensions allow variances in only one direction.

Accepted Answer

A) True 
 B)False

Question 5

Imagine that a technical drawing includes a symbol that looks like a circle between a set of angled parallel lines. What does this symbol indicate?

Accepted Answer

A)   cylindricity
B)   perpendicularity
C)   angularity
D)   parallelism

Question 6

What term refers to the tolerance zone between mating parts?

Accepted Answer

A)   clearance
B)   interference
C)   range
D)   transition A

Question 7

What term refers to the theoretical exact location of the axis or center plane from the features from which it is dimensioned?

Accepted Answer

A)   parallel position
B)   basic position
C)   feature position
D)   concentric position

Question 8

The higher the number on the tolerance grade range, the closer the tolerance limit.

Accepted Answer

A) True 
 B)False

Question 9

When the distance between any two points is critical, a _____ dimension should be used to ensure the least tolerance buildup.

Accepted Answer

A)   bilateral
B)   chain
C)   angle
D)   direct D

Question 10

What does the horizontal double-headed arrow ( « )  modifying symbol mean?

Accepted Answer

A)   free state
B)   diameter
C)   between
D)   radius

Question 11

When aligning tolerance limits vertically, the smaller dimension is placed on top, and the larger dimension is placed on the bottom.

Accepted Answer

A) True 
 B)False

Question 12

A total runout symbol is best described as:

Accepted Answer

A)   a circle inside of another circle
B)   two angled parallel arrows joined at the base by a straight line
C)   a circle surrounding two perpendicular lines that intersect at the center of the circle
D)   a half-circle with the curved edge facing upward

Question 13

Basic dimensions show the general size of a part and indicate tolerance limitations.

Accepted Answer

A) True 
 B)False

Question 14

Clearance fits require separate tolerancing limits for each part.

Accepted Answer

A) True 
 B)False

Question 15

If a dimension is written as 5.45" ± .06, what is the tolerance range?

Accepted Answer

A)   .03"
B)   .06"
C)   .12"
D)   5.51"

Question 16

When can a general tolerance note be used?

Accepted Answer

A)   when there are no tolerances
B)   when all tolerances are identical
C)   when the tolerances are minimal
D)   when tolerances are necessary for every dimension

Question 17

Angularity is the condition of a surface or axis at an angle other than _____, from a datum or axis.

Accepted Answer

A)   45°
B)   90°
C)   120°
D)   135°

Question 18

Tolerance dimensions are recommended on chain dimensions.

Accepted Answer

A) True 
 B)False

Question 19

Geometric tolerancing ensures the interchangeability of individual manufactured parts.

Accepted Answer

A) True 
 B)False

Question 20

What statement about datum dimensioning is correct?

Accepted Answer

A)   All dimensions originate from a single point and tolerances are allowed to accumulate.
B)   All dimensions originate from a single point and tolerances are not allowed to accumulate.
C)   Dimensions originate from different points and tolerances are allowed to accumulate.
D)   Dimensions originate from different points and tolerances are not allowed to accumulate. B

Exam 10: Tolerancing and Geometric Tolerancing

The least material condition (LMC) for a shaft is the smallest allowable diameter that leaves the maximum amount of material.

Correct AnswerverifiedShow Answer

Tolerance dimensions that allow variation in both directions from a basic dimension are called _____ tolerance dimensions.

Correct AnswerverifiedShow Answer

If a dimension is written as 2.50" ± .04, what is the largest size that the actual dimension can be?

Correct AnswerverifiedShow Answer

Unilateral tolerance dimensions allow variances in only one direction.

Correct AnswerverifiedShow Answer

Imagine that a technical drawing includes a symbol that looks like a circle between a set of angled parallel lines. What does this symbol indicate?

Correct AnswerverifiedShow Answer

What term refers to the tolerance zone between mating parts?

Correct AnswerverifiedA

What term refers to the theoretical exact location of the axis or center plane from the features from which it is dimensioned?

Correct AnswerverifiedShow Answer

The higher the number on the tolerance grade range, the closer the tolerance limit.

Correct AnswerverifiedShow Answer

When the distance between any two points is critical, a _____ dimension should be used to ensure the least tolerance buildup.

Correct AnswerverifiedD

What does the horizontal double-headed arrow ( « ) modifying symbol mean?

Correct AnswerverifiedShow Answer

When aligning tolerance limits vertically, the smaller dimension is placed on top, and the larger dimension is placed on the bottom.

Correct AnswerverifiedShow Answer

A total runout symbol is best described as:

Correct AnswerverifiedShow Answer

Basic dimensions show the general size of a part and indicate tolerance limitations.

Correct AnswerverifiedShow Answer

Clearance fits require separate tolerancing limits for each part.

Correct AnswerverifiedShow Answer

If a dimension is written as 5.45" ± .06, what is the tolerance range?

Correct AnswerverifiedShow Answer

When can a general tolerance note be used?

Correct AnswerverifiedShow Answer

Angularity is the condition of a surface or axis at an angle other than _____, from a datum or axis.

Correct AnswerverifiedShow Answer

Tolerance dimensions are recommended on chain dimensions.

Correct AnswerverifiedShow Answer

Geometric tolerancing ensures the interchangeability of individual manufactured parts.

Correct AnswerverifiedShow Answer

What statement about datum dimensioning is correct?

Correct AnswerverifiedB

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B