Quiz on Six Sigma Quality at Flyrock Tires

What is the main reason Susan Douglas wants to implement a Six Sigma program at Flyrock Tires?

• To expand the number of facilities

• To increase production speed

• To improve the level of quality

• To reduce manufacturing costs

What is the primary component of tires mentioned in the text?

• Rubber

• Steel

• Adhesive

• Fabric

What process is used to give the tire its final shape and tread pattern?

• Extrusion

• Curing

• Vulcanizing

• Molding

What is the thickness specification for the rubber used in AX-527 tires?

• 410 ± 10 thou

• 400 ± 10 thou

• 420 ± 10 thou

• 390 ± 10 thou

What is the consequence of having a 1% defect rate at each step of the tire manufacturing process?

• 100% quality assurance

• 81.8% good quality tires

• 50% good quality tires

• No defective tires

What is the mean thickness produced by the extruder when the bearing is worn out?

• 410 thou

• 415 thou

• 403 thou

• 400 thou

What is the standard deviation of the extruder output in a Six Sigma process?

• 2.000 thou

• 3.000 thou

• 1.667 thou

• 4.000 thou

What is the role of the steel hoop in steel-belted radial tires?

• To provide traction

• To form the backbone of the tire

• To enhance aesthetics

• To reduce weight

What happens to tires with visible blemishes during the final inspection?

• They are repaired

• They are accepted

• They are sent for further testing

• They are rejected

What is the purpose of the statistical process control (SPC) program implemented by Douglas?

• To detect machine setting variations

• To reduce costs

• To improve employee morale

• To increase production speed