Yazaki Quality Engineer Interview Questions and Answers for Experienced

Basic questions about mathematics, grammer etc

Q1. Tell me about ur self, EC related questions, some simple coding average number, Fibonacci etc..
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Q1. What is 5 core tool , 7 qc tool , 8 D , why why analysis
Ans. 
Core tools and techniques used in quality engineering include 5 core tools, 7 QC tools, 8D methodology, and the Why-Why analysis.
• 5 Core Tools: APQP, PPAP, FMEA, MSA, SPC

• 7 QC Tools: Check sheets, Pareto charts, Cause-and-effect diagrams, Histograms, Scatter diagrams, Control charts, Flowcharts

• 8D Methodology: Eight disciplines problem solving approach used to identify, correct, and prevent recurring problems

• Why-Why Analy...read more
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Q2. What is the role of company in DWM
Ans. 
The role of a company in Design for Manufacturability (DWM) is to ensure that products are designed in a way that makes them easy and cost-effective to manufacture.
• Ensuring that product designs are optimized for efficient manufacturing processes

• Collaborating with design and manufacturing teams to identify and address potential manufacturing challenges early in the design phase

• Implementing design guidelines and best pra...read more
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Q3. What is MSA and SPC explain
Ans. 
MSA stands for Measurement System Analysis and SPC stands for Statistical Process Control.
• MSA is a method used to assess the measurement system variation to ensure data accuracy.

• SPC is a method used to monitor and control a process through statistical analysis.

• MSA includes Gage R&R studies to evaluate the measurement system's repeatability and reproducibility.

• SPC involves using control charts to detect any variatio...read more
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Q1. What is process quality
Ans. 
Process quality refers to the level of consistency, accuracy, and effectiveness in the execution of a particular process.
• Process quality is about ensuring that a specific process consistently meets the desired standards and requirements.

• It involves identifying and eliminating defects, errors, and variations in the process to improve overall quality.

• Process quality can be measured using metrics such as defect rates, cyc...read more
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Q2. 8D explain.
Ans. 
8D is a problem-solving methodology used in quality management to identify, correct, and prevent recurring problems.
• 8D stands for 8 disciplines, each representing a step in the problem-solving process

• Steps include defining the problem, forming a team, identifying root causes, implementing corrective actions, and preventing recurrence

• Example: A manufacturing company uses 8D to address a recurring defect in their product
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Q1. What is the function of alternator &stator
Ans. 
The alternator generates electricity to power the vehicle's electrical system, while the stator is a stationary component that helps produce electricity in the alternator.
• Alternator converts mechanical energy into electrical energy

• Stator is a stationary part of the alternator

• Stator contains wire windings that produce electricity when the rotor spins

• Alternator charges the battery and powers the electrical system of the
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Q2. What is winding
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Winding is the process of wrapping a material around a core or spool to create a coil or roll.
• Winding is commonly used in the manufacturing of electrical coils, transformers, inductors, and motors.

• The material being wound can be wire, thread, yarn, tape, or any other flexible material.

• The winding process can be done manually or using automated machinery.

• Examples include winding copper wire around a bobbin to create a t...read more
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Q1. What is alternator &stator
Ans. 
An alternator is a device that converts mechanical energy into electrical energy, while a stator is the stationary part of a rotary system.
• Alternator is used in vehicles to charge the battery and power the electrical system

• Stator is the stationary part of an electric motor or generator

• Alternator produces alternating current (AC) while stator helps in generating a magnetic field
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Q2. What is 52wh word
Ans. 
52wh word is a term used in quality engineering to refer to a specific type of problem-solving technique.
• 52wh word stands for Who, What, Where, When, Why, How, How much, How many, and How often.

• It is used to systematically analyze a problem by asking these key questions.

• For example, when faced with a quality issue in a manufacturing process, a quality engineer may use the 52wh word technique to identify the root cause
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