Tolerances Review

What type of tolerance uses a table on the drawing and is based on number of decimal places?

• Limit Dimensions

• Bilateral

• Unilateral

• General

What type of tolerance allows equal variation, both larger and smaller, than the specified dimension?

• Limit Dimension

• Unilateral

• Bilateral

• General

What type of tolerance states both the upper limit and lower limit, without needing to calculate them?

• Limit Dimension

• Bilateral

• Unilateral

• General

What type of tolerance is shown here? 2.50 ±0.02

• Limit Dimensions

• Bilateral

• Unilateral

• General

What type of tolerance is circled in this drawing?

• Limit Dimensions

• Bilateral

• Unilateral

• General

What type of tolerance is circled in this drawing?

• Limit Dimensions

• Bilateral

• Unilateral

• General

What is upper limit for this tolerance?  0.250±0.01

• .251

• .250

• .260

• .02

What is the total tolerance for this dimension?  0.250±0.01

• .251

• .250

• .260

• .02

What is the total tolerance for this dimension?

 1.75 ± 0.05

• 1.80

• 1.70

• 1.75

• 0.10

Why are tolerances important in engineering drawings?

• Variation is unavoidable in manufacturing

• Tolerances allow the designer to control variation

• 
  The wrong tolerance can add cost or make a part unusable

• all of the above