7 Wastes Master Quiz 1. Please select the three elements, or categories, of work.

Value-Added Work Jidoka Non Value-Added Work Waste/Muda

2. Inventory is often referred to as the “mother of all wastes.”

True False

3. Reaching or straining to reach a tool is an example of what type of waste?

Motion Processing Transportation Inventory

4. The primary difference between the wastes of motion and transportation is that with transportation we are moving goods or inventory and with motion people are moving without goods or inventory.

True False

5. Popularized the concept of “standing in the circle.”

Taiichi Ohno Shigeo Shingo Henry Ford Jon Miller

6. Is 99% good (only 1% bad) an acceptable performance level for critical processes?

Yes No

7. Pokayoke is often referred to as this.

Mistake Prone Defect Free Mistake Proofing Mistake Free

8. The basic premise behind Jidoka is that machines are able to detect and stop when an issue has occurred.

True False

9. Given an average demand per day of 525 pieces, a lead-time to replenish this stock of 4 days, 2 standard deviations of demand history is 20%, and the max shortfall due to internal inefficiencies is 10%, how much safety stock is needed? See “Inventory” module if you need to review.

904 pieces 394 pieces 195 pieces 252 pieces

10. The waste of processing generally stems from the lack of understanding what?

Inventory Levels Customer Needs On time Delivery Performance Internal Quality

11. Which is not an example of processing waste?

Smashing a peanut with your bare hands in order to eat it Drilling a hole when punching it would do Equipment that uses more energy than needed Machines that are faster than they need to be

12. Is the word that describes production leveling or production smoothing.

Jidoka Heijunka Kanban Shitsuke

13. Motion is any movement of people that does not add __________ to the product.

Cycle Time Value Defects Muda

14. Wasted motion often leads to what. Select all that apply.

Long Changeovers Higher Productivity Less Inventory (Better Inventory Turns)

15. Moving inventory on sophisticated conveyor systems is a form of transportation waste.

True False

16. Overproduction is often referred to as the ____________ of all wastes.

brother father mother nasty uncle

17. Sometimes called the 8th waste.

Waste of Skills Waste of Motion Waste of Inventory Waste of Cash