Quality Question Bank
for Exam preparation

Q2. When the mean of the process is outside the customer specification limits the value of Cpk will be:

1. 2.0
2. 0.5
3. 1.0
4. Negative

Q3. Machine wear and tear is ______________ source of variation.

1. Random
2. Natural
3. Assignable
4. Cannot be determined

Q4. R charts are used for controlling ______________ of a process.

1. Central Tendency
2. Dispersion
3. None of the above
4. Both a and b

Q5. Failure Mode and Effects Analysis, which prioritizes different sources of error, is used in _________________ stage.

1. Define
2. Measure
3. Improve
4. Analyze

Q6. Q-Q plot is used to check:

1. Normality of the dataset
2. Number of defects
3. Process mean
4. Process standard deviation

Q7. Plan-do-study-act cycle is a procedure to ______________

1. Overall improvement
2. Continuous improvement
3. Permanent improvement
4. Immediate improvement

Q8. A result is called "statistically significant" whenever

1. The null hypothesis is true.
2. The alternative hypothesis is true.
3. The p-value is less or equal to the significance level.
4. The p-value is larger than the significance level.

Q9. A fan blade is specified by length and thickness. While sampling, it was found that for one particular blade, the length was non-conforming while the thickness was as per specifications. Should the blade be considered non-conforming for construction of a p chart?

1. Yes
2. No

Q10. If data for MR chat shows non-normality, it is better to determine the control limits for the individuals control chart based on the ______________ of the correct underlying distribution.

1. Percentage
2. Percentiles
3. Rank
4. Mean