Metrology and Quality Control - Mechanical Engineering (MCQ) questions and answers for Q. 5018

Q.  Which of the following statements is/are true for sampling inspection?
- Published on 07 Aug 15

a. Acceptance sampling does not involve any risk
b. Characteristics of the entire lot can be truly specified
c. Less fatigue results in less mistakes
d. All the above statements are true

ANSWER: Less fatigue results in less mistakes

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    Discussion

  • Sravanthi   -Posted on 27 Oct 15
    - Acceptance sampling is applied to incoming materials or parts, partially finished products, etc to determine acceptability of items.

    - Types of acceptance inspection carried are:

    1) Total inspection
    2) Sampling inspection

    - Acceptance sampling involves risk for manufacturer and consumer.

    - It is difficult to represent characteristics of entire lot. In this method limited items are inspected and the entire lot is accepted or rejected depending upon the limited items inspected.

    - Inspection sampling provides less information as compared to 100 percent inspection.

    - Wrong decisions are rarely made by the workers due to less monotony and fatigue.

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