Explore topic-wise MCQs in Statistical Quality Control.

This section includes 11 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.

The OC curve of the c-chart is a curve which plots -risk against _______

A. Number of defectives per sample
B. True mean number of defects
C. Total number of defects
D. Demerits per unit
Answer» C. Total number of defects
2.

What is the value of Zi in the standardized control chart for u-chart with variable sample size?

A. ( frac{u_i+ bar{u}}{ sqrt{ frac{ bar{u}}{ bar{n}}}} )
B. ( frac{u_i+ bar{u}}{ sqrt{ frac{ bar{u}}{n_i}}} )
C. ( frac{u_i- bar{u}}{ sqrt{ frac{ bar{u}}{n_i}}} )
D. ( frac{u_i- bar{u}}{ sqrt{ frac{ bar{u}}{ bar{n}}}} )
Answer» D. ( frac{u_i- bar{u}}{ sqrt{ frac{ bar{u}}{ bar{n}}}} )
3.

Which of these is used in the standardized chart for u-chart with variable sample size?

A. Z<sub>i</sub>
B. M<sub>i</sub>
C. U<sub>i</sub>
D. A<sub>i</sub>
Answer» B. M<sub>i</sub>
4.

What is the center line value for the average number of events control chart, when there is no standard given?

A. /n
B. /3n
C. 2 /n
D. /2n
Answer» B. /3n
5.

What is the value of center line of g-chart when there is no standard given?

A. ( bar{t}+3 sqrt{ bar{t}} )
B. ( bar{t} )
C. ( bar{t}-3 sqrt{ bar{t}} )
D. ( bar{t}+0.5 sqrt{ bar{t}} )
Answer» C. ( bar{t}-3 sqrt{ bar{t}} )
6.

What is the value of the center line of g-chart?

A. (n( frac{1+p}{p}+a) )
B. (n( frac{1-p}{p}+a) )
C. (n( frac{1+p}{p}-a) )
D. (n( frac{1-p}{p}-a) )
Answer» C. (n( frac{1+p}{p}-a) )
7.

What is the value of the Upper control limit for the g-chart?

A. (n( frac{1-p}{p}-a)+L sqrt{n(1-p)}{p^2} )
B. (n( frac{1-p}{p}+a)+L sqrt{n(1+p)}{p^2} )
C. (n( frac{1-p}{p}+a)+L sqrt{n(1-p)}{p^2} )
D. (n( frac{1-p}{p}+a)+L sqrt{(1-p)}{p^2} )
Answer» D. (n( frac{1-p}{p}+a)+L sqrt{(1-p)}{p^2} )
8.

What will be the center line value for a Kaminski et al h-chart when standards are given?

A. ( frac{1-p}{p}-a )
B. ( frac{1+p}{p}+a )
C. ( frac{1+p}{p}-a )
D. ( frac{1-p}{p}+a )
Answer» E.
9.

The control charts developed for the average number of events is generally called ______________

A. g-chart
B. h-chart
C. s-chart
D. s-square-charts
Answer» C. s-chart
10.

The control chart for total number of events is called ____________

A. g-charts
B. R-charts
C. h-charts
D. c-charts
Answer» B. R-charts
11.

The 3 sigma upper limit for a control chart for average number of nonconformities per unit, is expressed by ___________

A. UCL= ( bar{u} + 3 sqrt{ frac{ bar{u}}{n}} )
B. UCL= ( bar{u} 3 sqrt{ frac{ bar{u}}{n}} )
C. UCL= ( bar{u} 2 sqrt{ frac{ bar{u}}{n}} )
D. UCL= ( bar{u} frac{3}{2} sqrt{ frac{ bar{u}}{n}} )
Answer» B. UCL= ( bar{u} 3 sqrt{ frac{ bar{u}}{n}} )