Explore topic-wise MCQs in Statistical Quality Control.

This section includes 19 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.

DPU can be evaluated only when the variable data is available.

A. True
B. False
Answer» C.
Discussion
2.

If the DPMO for a sample containing 45 units is 0.237. If the total number of defects is 32, what will be the number of opportunities?

A. 3
B. 1
C. 6
D. 7
Answer» B. 1
Discussion
3.

If there are 85 defects in the lot containing 150 units, what is the value of DPU?

A. 0.45
B. 0.57
C. 0.89
D. 1.52
Answer» C. 0.89
Discussion
4.

Which of these is the correct formula to calculate DPMO which uses the number of opportunities?

A. DPMO=\(\frac{Total\, number \,of \,units}{Number\, of \,units \,* 0.5 *\, Number\, of \,Opportunities}\)
B. DPMO=\(\frac{Total\, number \,of \,units}{Number \,of \,units \,* \,3Number\, of \,Opportunities}\)
C. DPMO=\(\frac{Total\, number \,of \,units}{Number \,of \,units \,* \,2Number \,of \,Opportunities}\)
D. DPMO=\(\frac{Total\, number \,of \,units}{Number \,of \,units \,* \,Number \,of \,Opportunities}\)
Answer» E.
Discussion
5.

DPMO stands for ________

A. Defects per million opportunities
B. Decrement per minute opportunity
C. Defects per minute opportunity
D. Designation per million opportunities
Answer» B. Decrement per minute opportunity
Discussion
6.

DPU is ________

A. Decrement per unit
B. Defects per unit
C. Design per unit
D. Decimals per unit
Answer» C. Design per unit
Discussion
7.

In the design of experiments, the ____________ variables are adjusted first.

A. Output controllable
B. Output uncontrollable
C. Input uncontrollable
D. Input controllable
Answer» E.
Discussion
8.

If the DPMO for a sample containing 45 units is 0.237. If the total number of defects is 32, what will be the number of opportunities?$

A. 3
B. 1
C. 6
D. 7
Answer» B. 1
Discussion
9.

If_there_are_85_defects_in_the_lot_containing_150_units,_what_is_the_value_of_DPU?$

A. 0.45
B. 0.57
C. 0.89
D. 1.52
Answer» C. 0.89
Discussion
10.

DPU can be evaluated only when, the variable data is available.

A. True
B. False
Answer» C.
Discussion
11.

PPM defectives can be a measure of the process capability. Although an equivalent sigma level can also be used.

A. True
B. False
Answer» B. False
Discussion
12.

DPMO stands for ___?

A. Defects per million opportunities
B. Decrement per minute opportunity
C. Defects per minute opportunity
D. Designation per million opportunities
Answer» B. Decrement per minute opportunity
Discussion
13.

DPU is ____

A. Decrement per unit
B. Defects per unit
C. Design per unit
D. Decimals per unit
Answer» C. Design per unit
Discussion
14.

Which of these is not a method to judge the process capability?

A. Control charts
B. Attributes data
C. Acceptance sampling
D. Designed experiments
Answer» C. Acceptance sampling
Discussion
15.

Which of these is the easiest method for finding the sources of variability?

A. Designed Experiments
B. p-charts
C. n-charts
D. Acceptance sampling
Answer» B. p-charts
Discussion
16.

Which of these is not a function of designing of experiments?

A. To find the set of process variables influential on output
B. To determine the optimum level of the variables
C. To estimate maximum output possible with optimum value of variables
D. To eliminate some uncontrollable inputs
Answer» E.
Discussion
17.

Which of the following is not done in the designing of experiments?

A. Varying the input variables (controllable)
B. Observation of the output
C. Making a relationship between input and output
D. Process control
Answer» E.
Discussion
18.

Which of these can be varied?

A. Input Controllable variables
B. Input uncontrollable variables
C. Output controllable variables
D. Output uncontrollable variables
Answer» B. Input uncontrollable variables
Discussion
19.

In the design of experiments, the ____ variables are adjusted first.

A. Output controllable
B. Output uncontrollable
C. Input uncontrollable
D. Input controllable
Answer» E.
Discussion