Autoliv Engineer Interview Questions and Answers

Q1. General technical questions on electronics
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Q2. Understanding applications of MOSFETs, Diodes,battery...
Ans. 
MOSFETs, diodes, and batteries are essential components in electronic circuits for various applications.
• MOSFETs are used for amplification, switching, and signal processing in electronic devices.

• Diodes are used to control the direction of current flow and protect circuits from reverse voltage.

• Batteries provide portable power sources for electronic devices, ranging from small button cells to large lithium-ion batteries.

• ...read more
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Q1. Can you describe your experience and the projects you have worked on?
Ans. 
I have 5 years of experience working on various engineering projects, including designing new products and improving existing systems.
• Designed a new HVAC system for a commercial building

• Implemented automation processes to increase efficiency in manufacturing

• Collaborated with a team to develop a prototype for a renewable energy project
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Q2. Expected salary
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My expected salary is based on my experience, skills, and the industry standard for engineers.
• Consider my years of experience in the field

• Take into account my specialized skills and certifications

• Research the average salary range for engineers in this industry

• Negotiate based on the benefits and opportunities offered by the company
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Math, Reasoning, verbility

Q1. What is the Wire Colour coding
Ans. 
Wire colour coding is a standard method of identifying the function of different wires in electrical systems.
• In North America, the standard wire colour coding for AC power circuits is black for hot, white for neutral, and green or bare copper for ground.

• In Europe, the standard wire colour coding for AC power circuits is brown for live, blue for neutral, and green/yellow for ground.

• Different industries may have their ow...read more
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Q2. What is the Crimping
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Crimping is a process of joining two pieces of metal or other materials by deforming one or both of them to hold the other.
• Crimping is commonly used in electrical work to join wires to connectors.

• It is also used in plumbing to connect pipes together.

• Crimping tools are often used to create a secure connection.
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Q3. What is the HV
Ans. 
HV stands for High Voltage, which refers to electrical potential difference between two points that exceeds the safe threshold.
• HV is typically considered to be any voltage above 1000 volts.

• High Voltage is commonly used in power transmission and distribution systems.

• HV can be dangerous and requires proper safety precautions when working with it.
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Q4. What is the HV and air leak test and why is required for Customer
Ans. 
HV and air leak tests are essential for ensuring safety and quality of products before delivery to customers.
• HV test, or high voltage test, is conducted to check insulation integrity and electrical safety of the product.

• Air leak test is performed to verify the sealing integrity of the product, ensuring no leaks that could compromise performance or safety.

• These tests are required for customers to guarantee that the prod...read more
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Q5. How to Control Quality of Insulation
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Quality of insulation can be controlled through proper material selection, installation techniques, and regular inspections.
• Selecting high-quality insulation materials with appropriate R-values for the specific application

• Ensuring proper installation techniques are followed to minimize gaps and air leaks

• Conducting regular inspections to check for signs of wear, damage, or moisture intrusion

• Using thermal imaging technol...read more
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Q6. What is HST and Why HST is using in the wire harness
Ans. 
HST stands for Heat Shrink Tubing, used in wire harness for insulation and protection.
• HST is a type of tubing that shrinks when heat is applied, providing insulation and protection to wires in a harness.

• It helps in preventing short circuits, abrasion, and moisture damage.

• HST is commonly used in automotive, aerospace, and electronics industries.

• Examples of HST brands include 3M, TE Connectivity, and Panduit.
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Q7. What is thermistor and How many type of thermistor
Ans. 
A thermistor is a type of resistor whose resistance changes significantly with temperature. There are two main types: NTC (Negative Temperature Coefficient) and PTC (Positive Temperature Coefficient).
• Thermistors are commonly used in temperature sensing applications.

• NTC thermistors have a negative temperature coefficient, meaning their resistance decreases as temperature increases.

• PTC thermistors have a positive tempera...read more
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Q8. What is EMC testing
Ans. 
EMC testing is the process of evaluating and verifying the electromagnetic compatibility of electronic devices.
• EMC testing ensures that electronic devices do not interfere with each other's operation

• It also ensures that electronic devices are not susceptible to interference from external sources

• Common EMC tests include radiated emissions, conducted emissions, and immunity testing

• EMC testing is important for compliance ...read more
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Q9. What is Ferrite Core and why it is use .
Ans. 
Ferrite core is a magnetic core made of ferrite material used in electronic components for its high magnetic permeability and low electrical conductivity.
• Ferrite core is commonly used in transformers, inductors, and electromagnets.

• It helps increase the inductance and efficiency of electronic components.

• Ferrite cores are also used in noise suppression filters to reduce electromagnetic interference.

• They are preferred ove...read more
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Q10. What is EV and type of EV
Ans. 
EV stands for Electric Vehicle, which is a vehicle that runs on electricity instead of gasoline.
• Types of EVs include Battery Electric Vehicles (BEVs), Plug-in Hybrid Electric Vehicles (PHEVs), and Hybrid Electric Vehicles (HEVs).

• BEVs run solely on electricity stored in batteries and do not have a gasoline engine.

• PHEVs have both an electric motor and a gasoline engine, allowing them to switch between electric and gasoli...read more
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Q11. Parabolic Equation and what a in parabolic Equation
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A parabolic equation is a second-degree polynomial equation in the form y = ax^2 + bx + c, where 'a' is the coefficient of the x^2 term.
• A parabolic equation is a type of quadratic equation that forms a U-shaped curve when graphed.

• The coefficient 'a' in a parabolic equation determines the direction and width of the parabola. A positive 'a' value opens upwards, while a negative 'a' value opens downwards.

• For example, the ...read more
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What is EV and What is role in green environment

Q1. Why are you joining our Company
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Q2. What is your sallary expectations
Ans. 
My salary expectations are based on my experience, qualifications, and the industry standard.
• Consider my years of experience in the field

• Research the average salary range for this position in the industry

• Take into account my qualifications and skills

• Open to negotiation based on benefits package
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Q3. Tell me about your self
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Q4. Tell me your achievement and Goal
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Q1. General questions like company environment and behaviour test .
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Q1. Related to machinery and utility related.
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Q1. Basics about CFD, your previous work experience product or process indepth knowledge.
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Q1. Draw dies information Online troubleshooting Draw and bids
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Q1. Aim Team work Team player
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Q1. They asked each and everything that is on the resume.
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Q2. They ask read drawing symbols
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Q3. They prefer the person having experience in winding
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Q1. Past employer details
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Q2. Past salary ( be very specific). They carry a verification on your career even after your joining
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Q1. C++ programing , Oops, Data base
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Q2. Linux coding , Linux programming, Embedded
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C questions, ALorithms , logical questions

Q1. C questions, Linux internals
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Q2. CAN , SPI,I2C protocols
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