Explore topic-wise MCQs in Statistical Quality Control.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Statistical Quality Control knowledge and support exam preparation. Choose a topic below to get started.

1.

A DR of value 5.89 indicates an adequate measurement system.

A. True
B. False
Answer» B. False
2.

If the value of product variance is increased with the variance of the total observed measurement kept constant, the value of the gauge capability ratio ρM increases.

A. True
B. False
Answer» C.
3.

If the variance of product variability is increased while keeping the total observed measurement variance constant, what will be effect on the gauge capability ratio ρP?

A. Increase
B. Decrease
C. No change
D. Can’t be predicted (no dependency over each other)
Answer» B. Decrease
4.

If the variance of the total observed measurement is constant and the gauge capability ratio ρ_M is increased, what will be change in the gauge measurement variance?

A. Increase
B. Decrease
C. No change
D. Can’t be predicted (no dependency over each other)
Answer» B. Decrease
5.

If the value of the variance of the product variability increases, what will be the effect on the variance of the gauge?

A. Increase
B. Decrease
C. No change
D. Can’t be predicted (no dependency over each other)
Answer» E.
6.

What is the other name of random effects model analysis of variance?

A. ANOVA
B. RENOVA
C. FNOVA
D. MENOVA
Answer» B. RENOVA
7.

Which of these is called an R & R study?

A. Experiment used to measure components of \(\sigma_{gauge}^2\)
B. Experiment used to measure components of \(\sigma_{Total}^2\)
C. Experiment used to measure components of \(\sigma_{P}^2\)
D. Experiment used to measure components of \(\sigma_{repeatability}^2\)
Answer» B. Experiment used to measure components of \(\sigma_{Total}^2\)
8.

What can we write the variance in measurement error or gauge in the terms of variance in repeatability, and variance of reproducibility?

A. \(\sigma_{gauge}^2=\sigma_{repeatability}^2-\sigma_{reproducibility}^2\)
B. \(\sigma_{gauge}^2=\sigma_{repeatability}^2+\sigma_{reproducibility}^2\)
C. \(\sigma_{gauge}^2=\sigma_{repeatability}+\sigma_{reproducibility}^2\)
D. \(\sigma_{gauge}^2=\sigma_{repeatability}-\sigma_{reproducibility}^2\)
Answer» C. \(\sigma_{gauge}^2=\sigma_{repeatability}+\sigma_{reproducibility}^2\)
9.

What is repeatability?

A. Variability due to different operators using the gauge or different time periods, or environments
B. Variability due to error in process
C. Variability reflecting the basic inherent precision of the gauge itself
D. Variability reflecting the basic inherent precision of the process
Answer» D. Variability reflecting the basic inherent precision of the process
10.

What is reproducibility?

A. Variability due to different operators using the gauge or different time periods, or environments
B. Variability due to error in process
C. Variability reflecting the basic inherent precision of the gauge itself
D. Variability reflecting the basic inherent precision of the process
Answer» B. Variability due to error in process