Sigma Electric Manufacturing Corporation Assistant Engineer Quality Assurance Interview Questions, Process, and Tips

PPAP stands for Production Part Approval Process and has 5 levels of submission.

• PPAP is a standardized process used in the automotive industry to ensure that suppliers provide parts that meet the customer's requirements.

• There are 5 levels of PPAP submission, with each level requiring more documentation and testing than the previous level.

• The levels include: Level 1 - Part Submission Warrant (PSW), Level 2 - PSW with pr...read more

SPC study stands for Statistical Process Control study which is a method of quality control.

• SPC study involves monitoring and controlling a process to ensure it operates within set limits.

• It uses statistical tools to analyze data and identify trends or patterns in the process.

• The goal is to identify and correct any variations or defects in the process before they result in non-conforming products.

• Examples of SPC tools ...read more

MSA study stands for Measurement System Analysis study. It is a statistical method used to determine the variation in measurement data.

• MSA study is used to evaluate the measurement system and identify sources of variation.

• It helps to determine the accuracy, precision, and stability of the measurement system.

• MSA study involves collecting data from the measurement system and analyzing it using statistical tools.

• The resul...read more

Pokayoke is a Japanese term for mistake-proofing or error-proofing.

• It is a quality control technique used to prevent errors or defects in a product or process.

• It involves designing a system or process in such a way that mistakes are impossible to make or immediately detected and corrected.

• Examples include using color-coding, checklists, and sensors to prevent errors.

• Pokayoke is commonly used in manufacturing and assemb