AUTOMOTIVE ELECTRONICS POWER Interview Questions and Answers

Q1. About HIL testing
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Q2. About vector tools
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Q1. About lithium ion battery
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Q1. Write and explain GD&T symbols?
Ans. 
GD&T symbols are used to specify the geometric requirements of a part or assembly.
• GD&T stands for Geometric Dimensioning and Tolerancing

• Symbols include: flatness, circularity, perpendicularity, concentricity, position, and more

• Each symbol has a specific meaning and is used to communicate precise engineering requirements

• GD&T is used in industries such as aerospace, automotive, and manufacturing

• Example: A position symbol...read more
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Q2. Explain Cp, Cpk & Pp, Ppk?
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Cp, Cpk, Pp, and Ppk are statistical process control indices used to measure process capability and performance.
• Cp and Cpk measure how well a process meets its specifications, with Cpk being more accurate for non-centered processes.

• Pp and Ppk measure how well a process performs relative to its natural variation, with Ppk being more accurate for non-centered processes.

• All four indices are calculated using the process me...read more
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Q1. Related to GD&T, CNC programming knowledge, SPC, Fixture design and development, Tool design and development.
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Q1. Basic principles
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Q2. Work experience and handles the document
Ans. 
I have 5 years of work experience in managing documents and ensuring accuracy and organization.
• Managed document filing system to ensure easy access and organization

• Reviewed and edited documents for accuracy and completeness

• Trained team members on document handling procedures

• Implemented digital document management system for efficiency

• Collaborated with other departments to streamline document processes
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Q3. Analyse the failure mode data
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Analyzing failure mode data involves identifying patterns and trends to improve processes and prevent future failures.
• Identify common failure modes and their frequency

• Look for any trends or patterns in the data

• Determine root causes of failures

• Develop strategies to address and prevent future failures
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Casting should be thorough

Aluminium die Casting

Q1. Tell about the Battery chemistry
Ans. 
Battery chemistry refers to the chemical reactions that occur within a battery to produce electrical energy.
• Different types of batteries have different chemistries, such as lead-acid, lithium-ion, and nickel-cadmium.

• The chemistry determines the voltage, capacity, and lifespan of the battery.

• For example, lithium-ion batteries have a high energy density and long lifespan, making them popular for use in smartphones and el...read more
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Q2. Tell about the battery pack testing
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Battery pack testing involves evaluating the performance and safety of battery packs used in various applications.
• Testing includes measuring the capacity, voltage, and temperature of the battery pack.

• Safety tests are also conducted to ensure the battery pack does not overheat or catch fire.

• Testing is crucial for industries such as automotive, aerospace, and consumer electronics.

• Examples of battery pack testing include ...read more
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