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Sona Comstar R&D Engineer Interview Questions, Process, and Tips

Updated 18 Mar 2023

Top Sona Comstar R&D Engineer Interview Questions and Answers

Sona Comstar R&D Engineer Interview Experiences

2 interviews found

R&D Engineer Interview Questions & Answers

user image Anonymous

posted on 18 Mar 2023

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Sep 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Heat generating component in motor
  • Ans. 

    The heat generating component in a motor is the stator winding and rotor core.

    • Stator winding and rotor core are the main sources of heat generation in a motor.

    • The heat generated is due to the resistance of the winding and core losses.

    • Efficient cooling systems are required to dissipate the heat and prevent damage to the motor.

    • Examples of cooling systems include air cooling, liquid cooling, and forced ventilation.

  • Answered by AI
  • Q2. Cooling methods for motor
  • Ans. 

    Cooling methods for motors include air cooling, liquid cooling, and oil cooling.

    • Air cooling involves using a fan to circulate air over the motor to dissipate heat.

    • Liquid cooling uses a coolant, such as water or a mixture of water and glycol, to absorb heat from the motor and transfer it to a radiator.

    • Oil cooling involves circulating oil through the motor to absorb heat and then transferring it to a heat exchanger.

    • The c...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Have a background about electric motor and controller

R&D Engineer Interview Questions & Answers

user image Anonymous

posted on 27 Jan 2023

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Aug 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Idea about drive cycle
  • Ans. 

    Drive cycle refers to the pattern of vehicle operation over a specified period of time.

    • Drive cycle is used to evaluate vehicle emissions and fuel economy.

    • It includes different driving modes such as idling, acceleration, deceleration, and cruising.

    • Examples of drive cycles include FTP-75, HWFET, and US06.

    • Drive cycle data is used to develop and test new vehicle technologies.

    • Drive cycles can vary depending on the type of v

  • Answered by AI
  • Q2. Major heating components in EV motor
  • Ans. 

    The major heating components in an EV motor are the stator winding and the rotor.

    • Stator winding: The stator winding is responsible for generating a rotating magnetic field in the motor. It can experience heating due to electrical resistance.

    • Rotor: The rotor is the rotating part of the motor and can also generate heat due to friction and electrical resistance.

    • Cooling system: EV motors often have a cooling system to diss...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Understand the fundamentals of electric motor and controller

R&D Engineer Interview Questions Asked at Other Companies

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Interview questions from similar companies

I applied via Walk-in and was interviewed in May 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. Production related questions
  • Q2. Working flow rated questions
  • Q3. Any other factory related
Round 3 - HR 

(1 Question)

  • Q1. Salary related questions
Round 4 - Group Discussion 
Pro Tip by AmbitionBox:
Don’t treat group discussions as an argument. Group discussion is about reaching a meaningful conclusion.
View all tips

Interview Preparation Tips

Interview preparation tips for other job seekers - Need good job for my skills and production related.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. About HIL testing
  • Q2. About vector tools

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare about CAN

I applied via Naukri.com and was interviewed in Jul 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Technical questions only CNC machine

Interview Preparation Tips

Interview preparation tips for other job seekers - Technical knowledge Improvement

I applied via Naukri.com and was interviewed in Oct 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Previous company job profile.
  • Q2. Plc related questions
  • Q3. Family background

Interview Questionnaire 

1 Question

  • Q1. Questions were based on CV

Interview Preparation Tips

Interview preparation tips for other job seekers - Be true to what you've mentioned in your CV

I applied via Walk-in and was interviewed before Feb 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Depends on experience
  • Q2. Related to systematic approach
  • Ans. Problem solving tools, OEE, FPY, Root cause analysis. 14Q, 5S
  • Answered Anonymously

Interview Preparation Tips

Interview preparation tips for other job seekers - Never join Bosch chakan if want to have growing future In career and work life balance.

I applied via Recruitment Consultant and was interviewed before Oct 2020. There were 3 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Which vehicle license you have?
  • Ans. 

    I have a valid driver's license for both cars and motorcycles.

    • I have a Class C license for cars

    • I also have a Class M license for motorcycles

    • I have a clean driving record with no accidents or violations

  • Answered by AI
  • Q2. What is CBS & ABS
  • Q3. Which segment of bike you ride
  • Ans. 

    I ride a road bike for commuting and a mountain bike for leisure.

    • I prefer road bikes for their speed and efficiency on paved roads.

    • I enjoy mountain biking for the challenge and adventure of off-road trails.

    • I also have experience with hybrid bikes for their versatility.

    • I prioritize safety and always wear a helmet and follow traffic laws.

    • I have participated in charity rides and group rides for fun and community.

  • Answered by AI
  • Q4. How you do the vehicle testing
  • Ans. 

    Vehicle testing involves various methods to ensure safety, performance, and compliance with regulations.

    • Testing can include physical tests such as crash tests, durability tests, and performance tests.

    • Simulation and modeling can also be used to test vehicle components and systems.

    • Testing must comply with regulations set by organizations such as the National Highway Traffic Safety Administration (NHTSA) and the European

  • Answered by AI
  • Q5. Which type of Homologation testing you do?
  • Ans. 

    We conduct various types of homologation testing depending on the product and its intended market.

    • We conduct safety testing to ensure compliance with local regulations.

    • We perform emissions testing to ensure compliance with environmental regulations.

    • We conduct performance testing to ensure the product meets the required standards.

    • We also conduct durability testing to ensure the product can withstand the expected wear an...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - That question were ask me for vehicle testing engineer & for test rider position

I applied via Naukri.com and was interviewed in May 2020. There were 4 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. What are the die casting and machining defects?
  • Ans. 

    Die casting and machining defects are common in manufacturing processes.

    • Die casting defects include porosity, shrinkage, cold shuts, and flash.

    • Machining defects include burrs, chatter marks, and tool marks.

    • Die casting defects can be caused by improper temperature, pressure, or metal flow.

    • Machining defects can be caused by dull tools, improper speeds and feeds, or poor fixturing.

    • Defects can lead to part failure, reduced

  • Answered by AI
  • Q2. What is the formula of filling and high speed ratio?
  • Ans. 

    Filling and high speed ratio formula is used to calculate the filling time of a container with a specific volume of liquid at a given flow rate.

    • Filling and high speed ratio formula is V/Q

    • V is the volume of the container and Q is the flow rate of the liquid

    • The formula is used to determine the time it takes to fill a container with a specific volume of liquid at a given flow rate

    • The higher the flow rate, the faster the c

  • Answered by AI
  • Q3. Why do u want to join Motherson?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be always job needy in front of interviewer.

Sona Comstar Interview FAQs

How many rounds are there in Sona Comstar R&D Engineer interview?
Sona Comstar interview process usually has 2 rounds. The most common rounds in the Sona Comstar interview process are Resume Shortlist, Technical and One-on-one Round.
What are the top questions asked in Sona Comstar R&D Engineer interview?

Some of the top questions asked at the Sona Comstar R&D Engineer interview -

  1. Major heating components in EV mo...read more
  2. Heat generating component in mo...read more
  3. Cooling methods for mo...read more

Tell us how to improve this page.

Sona Comstar R&D Engineer Interview Process

based on 2 interviews

Interview experience

4
  
Good
View more

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Sona Comstar R&D Engineer Salary
based on 19 salaries
₹2.4 L/yr - ₹10 L/yr
39% less than the average R&D Engineer Salary in India
View more details

Sona Comstar R&D Engineer Reviews and Ratings

based on 4 reviews

4.3/5

Rating in categories

4.3

Skill development

3.8

Work-life balance

4.0

Salary

4.3

Job security

4.0

Company culture

3.8

Promotions

4.1

Work satisfaction

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