Practice Exam 100 Questions and Correct
Answers (100% PASS)
1. What is the primary role of a quality technician?
A. Develop marketing plans
B. Approve employee salaries
C. Inspect products and support quality activities
D. Design company logos
2. Which measuring tool is most appropriate for measuring the outside diameter of a shaft?
A. Steel ruler
B. Tape measure
C. Micrometer
D. Protractor
3. Which of the following is an example of attribute data?
A. Weight of a part
B. Length of a bolt
C. Temperature reading
D. Pass/fail inspection result
4. Which quality tool is most useful for showing the most common defect types?
A. Flowchart
B. Scatter diagram
C. Pareto chart
D. Run chart
5. A caliper reading is considered what type of data?
A. Attribute data
B. Variable data
C. Defect data
D. Classification data
6. What is the purpose of calibration?
,A. Increase production speed
B. Reduce training costs
C. Ensure measuring equipment is accurate
D. Improve employee morale
7. Which chart is commonly used to monitor process averages?
A. p-chart
B. np-chart
C. X-bar chart
D. c-chart
8. A technician finds 6 defective parts in a sample of 150. What is the defect rate?
A. 2%
B. 4%
C. 6%
D. 8%
9. Which quality tool is best for organizing data collected during inspections?
A. Histogram
B. Fishbone diagram
C. Scatter diagram
D. Check sheet
10. Which instrument is best for measuring the depth of a hole?
A. Micrometer
B. Dial indicator
C. Depth gauge
D. Protractor
11. What does the term "tolerance" refer to?
A. The exact target dimension
B. The allowable variation from a specified dimension
C. The calibration interval
D. The number of defects allowed
12. Which chart is most useful for monitoring the percentage of defective items?
A. c-chart
B. p-chart
C. X-bar chart
D. R-chart
, 13. A process produces bolts with an average diameter of 12 mm and a standard deviation of
1 mm. Approximately what percentage of bolts fall between 11 mm and 13 mm?
A. 50%
B. 68%
C. 95%
D. 99.7%
14. Which quality tool is best for identifying possible causes of a recurring defect?
A. Histogram
B. Run chart
C. Fishbone diagram
D. Scatter diagram
15. What is the purpose of a control chart?
A. Compare supplier prices
B. Determine production cost
C. Monitor process stability over time
D. Calculate employee efficiency
16. Which measuring instrument is best for checking flatness?
A. Micrometer
B. Surface plate and dial indicator
C. Steel ruler
D. Vernier scale
17. A process has 12 defects in 300 inspected units. What is the defect rate?
A. 2%
B. 4%
C. 6%
D. 8%
18. Which term describes the difference between a measured value and the true value?
A. Precision
B. Repeatability
C. Bias
D. Capability
19. Which quality tool is most useful for displaying data distribution?