AIT Quality Standards 2 — Questions and Answers
Question 1: Which quality management principle emphasizes that quality should be built into a process rather than inspected in at the end?
- Quality by inspection
- Quality by design (Correct answer)
- Quality by correction
- Quality by sampling
Correct answer: Quality by design
Quality by design means integrating quality into processes from the start rather than relying on end-of-line inspection to catch defects.
Question 2: In a trade apprenticeship, a journeyman discovers a batch of parts that do not meet dimensional tolerances. The FIRST step should be to:
- Discard all parts immediately
- Continue work and note it in the final report
- Quarantine the nonconforming parts and notify the supervisor (Correct answer)
- Rework all parts without documentation
Correct answer: Quarantine the nonconforming parts and notify the supervisor
Nonconforming materials must be segregated (quarantined) and reported to prevent their accidental use and to initiate proper disposition.
Question 3: What does the term 'tolerance' mean in the context of quality standards?
- The acceptable range of variation from a specified dimension (Correct answer)
- The maximum possible size of a part
- The minimum strength required for a material
- The time allowed to complete a repair
Correct answer: The acceptable range of variation from a specified dimension
Tolerance defines the permissible upper and lower limits of variation from a nominal specification, within which a part is considered acceptable.
Question 4: A Cause-and-Effect (Ishikawa) diagram is primarily used to:
- Track production output over time
- Identify potential root causes of a quality problem (Correct answer)
- Schedule preventive maintenance
- Prioritize customer complaints by frequency
Correct answer: Identify potential root causes of a quality problem
The Ishikawa (fishbone) diagram organizes potential causes of a defect into categories to systematically identify root causes.
Question 5: Which document describes the specific quality requirements, inspection criteria, and acceptance standards for a given job or contract?
- Material Safety Data Sheet (SDS)
- Quality Plan (Correct answer)
- Tool calibration log
- Job hazard analysis
Correct answer: Quality Plan
A Quality Plan specifies the quality practices, resources, and activities relevant to a particular product, project, or contract.
Question 6: Statistical Process Control (SPC) uses control charts mainly to:
- Set employee performance ratings
- Detect when a process goes out of statistical control (Correct answer)
- Calculate the cost of poor quality
- Determine the number of inspectors needed
Correct answer: Detect when a process goes out of statistical control
Control charts monitor process data over time and signal when variation exceeds control limits, indicating the process may be out of control.
Question 7: When performing a pre-job quality check, an apprentice should verify MOST importantly that:
- The work area is aesthetically clean
- Tools and materials meet the specifications required for the task (Correct answer)
- Other workers have completed their coffee breaks
- The job will finish ahead of schedule
Correct answer: Tools and materials meet the specifications required for the task
Using correct, properly specified tools and materials is fundamental to producing work that meets quality standards.
AIT Quality Standards 2
Which quality management principle emphasizes that quality should be built into a process rather than inspected in at the end?