APU Packaging Junior Engineer Quality Control Interview Questions and Answers

Quality is the degree of excellence of a product or service as perceived by the customer.

• Quality is meeting or exceeding customer expectations.

• It involves consistency, reliability, and durability.

• Quality is achieved through continuous improvement and adherence to standards.

• Examples include a well-built car that lasts for years without major issues, or a software program that functions smoothly without bugs.

The 7 QC tools are a set of basic statistical tools used for quality control in manufacturing processes.

• Check sheet: Used to collect and analyze data in a systematic manner.

• Histogram: Represents data distribution visually to identify patterns and trends.

• Pareto chart: Helps prioritize issues by showing the most significant factors affecting quality.

• Cause and effect diagram (Fishbone diagram): Identifies root causes of p...read more

Pareto chart is a bar graph that displays the frequency of defects or issues in descending order to prioritize improvement efforts.

• Pareto chart helps in identifying the most significant factors contributing to a problem.

• It follows the 80/20 rule, where 80% of the problems are often caused by 20% of the factors.

• The bars are arranged in descending order of frequency, with a cumulative percentage line to show the total co...read more