DENSO Design Engineer Interview Questions and Answers

Q1. Everything that is on your resume
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Q1. Past experience and salary
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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. About Working experience and working area knowledge.
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Q1. What are your strengths and weaknesses?
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Q2. Why are you looking for a change?
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Q3. What are your salary expectations?
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Q4. What is your family background?
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Q5. Share details of your previous job.
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Q6. Tell me about yourself.
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Math, Reasoning, verbility

Q1. What is the Wire Colour coding
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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
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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
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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
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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
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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
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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
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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
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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. Technical questions
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Q2. Crimping related questions
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Q1. Basics of C programs
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Q2. Electronic basics
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Q3. Microcontroller programming
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Q4. Project details
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Q1. In depth of C concepts
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Q2. Microcontroller programming
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Q3. Project details
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Q1. About the Company
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Q2. Some logical and analytical
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Q3. Automotive development in the growing world
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Automotive development in growing world is driven by advancements in technology, sustainability, and connectivity.
• Advancements in technology such as electric vehicles, autonomous driving, and connected cars are shaping the future of automotive development.

• Sustainability is a key focus with the shift towards eco-friendly vehicles like hybrid and electric cars.

• Connectivity features like IoT, AI, and smart sensors are enh...read more
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Q4. Basic academic and achievements
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