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10+ Hema Engineering Industries Quality Engineer Interview Questions and Answers

Updated 5 Feb 2024

Q1. What is APQP and Stage of new development of parts?

Ans.

APQP is a process used in the automotive industry to ensure quality and consistency in new product development.

  • APQP stands for Advanced Product Quality Planning

  • It is a structured process used in the automotive industry to ensure quality and consistency in new product development

  • It involves five stages: Planning and Definition, Product Design and Development, Process Design and Development, Product and Process Validation, and Launch, Assessment and Feedback

  • Each stage has speci...read more

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Q2. What difference between QA and QC ?

Ans.

QA focuses on preventing defects, while QC focuses on identifying and fixing defects.

  • QA stands for Quality Assurance and is a proactive process that focuses on preventing defects by establishing processes and standards.

  • QC stands for Quality Control and is a reactive process that focuses on identifying and fixing defects through inspections and testing.

  • QA is concerned with the overall quality of the product or service, while QC is concerned with the quality of individual compo...read more

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Q3. What is GD&T and PPAP Documents?

Ans.

GD&T stands for Geometric Dimensioning and Tolerancing. PPAP stands for Production Part Approval Process.

  • GD&T is a system of symbols and rules used to specify the geometry of mechanical parts and assemblies.

  • PPAP is a set of documents that demonstrate a supplier's ability to meet customer requirements and ensure consistent quality.

  • GD&T helps ensure that parts fit together correctly and function properly.

  • PPAP includes documents such as control plans, process flow diagrams, and ...read more

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Q4. What is 6 sigma and PPM?

Ans.

6 sigma is a statistical measure of quality that aims to achieve 3.4 defects per million opportunities. PPM stands for parts per million.

  • 6 sigma is a methodology used to improve quality by reducing defects and variability in processes

  • It aims to achieve a level of quality where there are only 3.4 defects per million opportunities

  • PPM is a unit of measurement used to express the number of defective parts per million produced

  • It is often used in manufacturing and engineering indus...read more

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Q5. What's seven qc tools & describe it's

Ans.

The seven QC tools are basic statistical tools used to identify and solve quality problems.

  • Check sheets - used to collect data in a structured manner

  • Pareto charts - used to identify the most frequent problems

  • Histograms - used to show the distribution of data

  • Cause-and-effect diagrams - used to identify the root cause of a problem

  • Control charts - used to monitor a process over time

  • Scatter diagrams - used to show the relationship between two variables

  • Flowcharts - used to show th...read more

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Q6. What about 7 QC tools and SPC?

Ans.

7 QC tools and SPC are essential quality control techniques used in manufacturing and other industries.

  • 7 QC tools include Pareto chart, cause-and-effect diagram, control chart, histogram, scatter diagram, flowchart, and check sheet.

  • SPC involves statistical analysis of data to identify and control process variation.

  • Both techniques are used to improve quality, reduce defects, and increase efficiency.

  • They are widely used in industries such as automotive, electronics, and healthc...read more

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Q7. Why why analysis?

Ans.

Why-Why analysis is a problem-solving technique used to identify the root cause of a problem by asking 'why' multiple times.

  • Helps to identify the underlying cause of a problem

  • Uses a series of 'why' questions to drill down to the root cause

  • Prevents treating symptoms instead of the actual problem

  • Improves the effectiveness of corrective actions

  • Example: Why did the machine stop working? - Because the motor burned out. Why did the motor burn out? - Because it overheated. Why did i...read more

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Q8. What is MSA?

Ans.

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

  • MSA is used to evaluate the reliability and accuracy of a measurement system.

  • It helps to identify the sources of variation in the measurement process.

  • MSA is important in ensuring that the measurement system is capable of producing accurate and consistent results.

  • Examples of measurement systems include scales, gauges, and thermometers.

  • MSA involves analyzin...read more

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Q9. Difference between CP and CPK?

Ans.

CP is a measure of process capability, while CPK is a measure of process capability with respect to the specification limits.

  • CP measures the variability of the process relative to the tolerance range

  • CPK measures the capability of the process to produce within the specification limits

  • CPK takes into account the deviation of the process from the target value

  • CPK is a more comprehensive measure of process capability than CP

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Q10. What's 5s tools & describe

Ans.

5S is a workplace organization method that uses a set of tools to create and maintain an organized, clean, and efficient work environment.

  • Sort - eliminate unnecessary items

  • Set in order - organize remaining items

  • Shine - clean and inspect work area

  • Standardize - establish procedures for maintaining the first three S's

  • Sustain - ensure the first four S's are maintained over time

  • Example: labeling tools and equipment, color-coding materials, creating visual controls

  • Example: using ch...read more

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