This set of Total Quality Management Multiple Choice Questions & Answers (MCQs) focuses on “Continuous Process Improvement – Poka Yoke”.
1. Poka-yoke is also known as _______
a) Mistake-proofing
b) Mistake
c) Proofreading
d) Mistake and proofreading
View Answer
Explanation: Poka-yoke is also known as mistake-proofing. It is a Japanese term. It is considered as a quality improvement mechanism.
2. What do Yokeru and Poka mean respectively?
a) Avoid, inadvertent errors
b) Inadvertent errors, avoid
c) Inadvertent mistakes, avoid
d) Inadvertent errors, inadvertent mistakes
View Answer
Explanation: Yokeru means ‘avoid’ and Poka means ‘inadvertent errors’. It is a part of the Japanese term Poka-yoke. Poka-yoke is considered as a quality improvement mechanism.
3. Poka-yoke______ an error as soon as it is being made and _______ it from reaching the next operation.
a) Promotes, promotes
b) Detects, prevents
c) Prevents, detects
d) Promotes, prevents
View Answer
Explanation: Poka-yoke detects an error as soon as it is being made and prevents it from reaching the next operation. It is a Japanese term. It is considered as a quality improvement mechanism.
4. Who formalized the concept of Poka-yoke?
a) Dr. Shigeo Shingo
b) Deming
c) Crosby
d) Juran
View Answer
Explanation: Dr. Shigeo Shingo formalized the concept of Poka-yoke. It is a Japanese term. It is considered as a quality improvement mechanism.
5. Which of the following is not an advantage of mistake proofing?
a) Prevents error occurrence
b) Prevents defect occurrence
c) Little or no formal training
d) Cost ineffective
View Answer
Explanation: The advantages of mistake proofing are that it prevents error occurrence, prevents defect occurrence, and requires little or no formal training. It is cost effective in nature. It is also easy to implement.
6. An operator in a manufacturing company is faced with the challenge of using a poka-yoke device. It is difficult to operate and requires continuous attention. What can you infer from the following scenario?
a) The operator must read the operation manual
b) Poka-yoke device should be easy to install and usable to all
c) The operator is lacking operational skills
d) The operator must be dismissed from service
View Answer
Explanation: Poka-yoke device should be easy to install and usable to all. It should not require continuous attention and must be low cost also.
7. Auto shut off on iron is an example of a poka-yoke mechanism.
a) True
b) False
View Answer
Explanation: Auto shut off on iron is an example of a Poka-yoke mechanism. It is a great concept because we don’t need any operator to perform the action. It is also a safety enhancing feature as an iron in switched on position is injurious.
8. A car won’t start unless transmission is in neutral/park position. This is an example of poka-yoke mechanism.
a) True
b) False
View Answer
Explanation: A car won’t start unless transmission is in neutral/park position. This is an example of poka-yoke mechanism. It is also a safety enhancing feature as it will prevent the occurrence of accidents.
9. Who can develop a poka-yoke device?
a) Founder
b) Co-Founder
c) Manager
d) Anyone in the organization
View Answer
Explanation: Anyone in the organization can develop a poka-yoke device. All it needs is just a little empowerment of employees. This is the beauty of this method.
10. The use of electrical sensors to activate warning signals is an example of ______
a) Poka-yoke mechanism
b) Use of electronics
c) Use of electrical devices
d) Inform the police
View Answer
Explanation: Poka-yoke is also known as mistake-proofing. The use of electrical sensors to activate warning signals is an example of poka-yoke mechanism.
11. Poka-yoke is a strategy for implementing the policy of _______
a) Zero defects
b) Four defects
c) Seven defects
d) Eight defects
View Answer
Explanation: Poka-yoke is a strategy for implementing the policy of zero defects. Dr. Shigeo Shingo formalized the concept of Poka-yoke. It is considered as a quality improvement mechanism.
12. ________ and _______ are two major types of inspection for detecting errors.
a) Sampling inspection, 100% inspection
b) Sampling inspection, 99% inspection
c) Sampling inspection, 98% inspection
d) Sampling inspection, 97% inspection
View Answer
Explanation: Sampling inspection and 100% inspection are two major types of inspection for detecting errors. In sampling inspection, a few products are examined for defects. In 100% inspection, even a single defect is not tolerated.
13. Just-in-time is a strategy for implementing the policy of ________
a) Zero defects
b) Four defects
c) Seven defects
d) Eight defects
View Answer
Explanation: Just-in-time is a strategy for implementing the policy of zero effects. It is the principle of making what is needed, when it is needed in the amount needed.
14. The use of sensors on roller coaster tracks is an example of ______
a) Poka-yoke mechanism
b) Use of electronics
c) Use of electrical devices
d) Inform the police
View Answer
Explanation: Poka-yoke is also known as mistake-proofing. The use of sensors on roller coaster tracks is an example of poka-yoke mechanism.
15. Which of the following is not an example of use of poka-yoke in business processes?
a) Use of sensors in a car
b) Checklists
c) Color coding on products
d) Color coding in the work area
View Answer
Explanation: Checklists, color coding on products, and color coding in the work area are examples of use of poka-yoke in business. Use of sensors in a car is also an example of poka-yoke, but it is not used in business processes.
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