Tolerances in Engineering Drawings

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 dimensions

• Unilateral

• Bilateral

• General

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

• Limit dimensions

• Bilateral

• Unilateral

• General

What type of tolerance is shown here? $2.50\ \pm0.02$  

• Limit dimensions

• Bilateral

• Unilateral

• General

What type of tolerance is assumed when none is stated?

• 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 image?

• Limit dimensions

• Bilateral

• Unilateral

• General

What is upper limit for this tolerance?  $0.250\pm0.01$  

• 0.250

• 0.240

• 0.260

• 0.02

What is the total tolerance for this dimension?

 $1.75\pm0.05$  

• 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