Explore topic-wise MCQs in Statistical Quality Control.

This section includes 15 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.

Variable control charts can also be applied on attributes but their efficiency will be less as compared to the attribute control charts.

A. True
B. False
Answer» C.
2.

The fraction nonconforming says the same thing as the term defects per unit.

A. True
B. False
Answer» C.
3.

If standards are not given, the estimate of the unknown fraction nonconforming of the process, is evaluated by formula ___________

A. \(\bar{p}=\frac{[∑_{i=1}^{m-1} D_i]}{m}\)
B. \(\bar{p}=\frac{[∑_{i=1}^{n-1} D_i]}{mn}\)
C. \(\bar{p}=\frac{[∑_{i=1}^{m} D_i]}{mn}\)
D. \(\bar{p}=\frac{[∑_{i=1}^{n} D_i]}{mn}\)
Answer» D. \(\bar{p}=\frac{[∑_{i=1}^{n} D_i]}{mn}\)
4.

If there are 9 items defective in the sample size of 28, what will be the value that the fraction nonconforming chart, will represent?

A. 0.2971
B. 0.3214
C. 0.6328
D. 0.8172
Answer» C. 0.6328
5.

The center line of control chart of fraction nonconforming represents the value equal to ____________

A. Fraction nonconforming
B. Process mean
C. Process standard deviation
D. Sample mean
Answer» B. Process mean
6.

The sample fraction nonconforming is expressed as __________

A. \(\hat{p}=\frac{2D}{n}\)
B. \(\hat{p}=\frac{D}{3n}\)
C. \(\hat{p}=\frac{D}{2n}\)
D. \(\hat{p}=\frac{D}{n}\)
Answer» E.
7.

The ratio of the number of nonconforming items in a population to total number of items in that population, is called _________

A. Fraction nonconforming
B. Fraction of nonconformities
C. Fraction of conformities per unit of product
D. Fraction of variability
Answer» B. Fraction of nonconformities
8.

The u charts are also called _________

A. The control chart for nonconformities
B. Control charts for fraction nonconforming
C. Control charts for conformities per unit
D. Control chart for process mean
Answer» D. Control chart for process mean
9.

The control charts used for the analysis of nonconformities per unit of a product, are called _________ charts

A. p
B. c
C. x
D. u
Answer» E.
10.

The c charts are also called _________

A. The control chart for nonconformities
B. Control charts for fraction nonconforming
C. Control charts for conformities per unit
D. Control chart for process mean
Answer» B. Control charts for fraction nonconforming
11.

The control chart designed to deal with the defects or nonconformities of a product, is called __________

A. p chart
B. c chart
C. R chart
D. s chart
Answer» C. R chart
12.

The control chart for fraction nonconforming is also called __________

A. u chart
B. c chart
C. p chart
D. R chart
Answer» D. R chart
13.

The control chart which relates to the fraction of defective product produced by a manufacturing process, is called _________

A. The control chart for nonconformities
B. Control charts for fraction nonconforming
C. Control charts for conformities per unit
D. Control chart for process mean
Answer» C. Control charts for conformities per unit
14.

Quality characteristics which are related to only conforming or non conforming products, are called _________

A. Attributes
B. Continuous characteristics
C. Discrete characteristics
D. Variables
Answer» B. Continuous characteristics
15.

Defectives word has almost same meaning as __________

A. Conforming
B. Nonconforming
C. Non-defective
D. Un-conforming
Answer» C. Non-defective