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Oriental Carbon & Chemicals Executive Engineer Electrical Interview Questions, Process, and Tips

Updated 22 Jan 2022

Oriental Carbon & Chemicals Executive Engineer Electrical Interview Experiences

1 interview found

I applied via Recruitment Consultant and was interviewed in Dec 2021. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Why we use Vector group of Transformers
  • Ans. 

    Vector group of transformers is used to determine the phase difference and voltage ratio between primary and secondary windings.

    • Vector group helps in determining the correct connection of transformers in parallel.

    • It helps in identifying the phase angle difference between primary and secondary windings.

    • It helps in determining the voltage ratio between primary and secondary windings.

    • Vector group is important for power sy...

  • Answered by AI
  • Q2. IR value of Transformers and motor
  • Ans. 

    IR value is a measure of insulation resistance in transformers and motors.

    • IR value indicates the condition of insulation in transformers and motors.

    • It is measured in megaohms (MΩ) using a megger.

    • A high IR value indicates good insulation while a low value indicates poor insulation.

    • Regular testing of IR value is important to prevent breakdowns and ensure safety.

    • For example, a transformer with an IR value of less than 1 M...

  • Answered by AI
  • Q3. Switchgear salection of 75Kw motor
  • Ans. 

    Switchgear selection for a 75 kW motor depends on various factors such as voltage, current, starting method, and protection requirements.

    • Consider the voltage and current rating of the motor

    • Choose the appropriate starting method such as DOL, star-delta, soft starter, or VFD

    • Select the switchgear with suitable protection features such as overload, short circuit, and earth fault protection

    • Ensure compatibility with the exis...

  • Answered by AI
  • Q4. 100 KVR capacitor design in 415.
  • Ans. 

    Designing a 100 KVR capacitor for 415 volts.

    • Calculate the required capacitance using the formula C = I / (2 * pi * f * V)

    • Select a suitable type of capacitor based on the application and voltage rating

    • Ensure proper installation and maintenance to prevent failure or damage

    • Consider safety precautions when working with high voltage capacitors

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - It's a good technical interview, I face very easy to my interview, and given all answers very well.

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. About product development
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Difference between list and tuple
  • Ans. 

    List is mutable, tuple is immutable in Python.

    • List can be modified, tuple cannot be modified

    • List uses square brackets [], tuple uses parentheses ()

    • List is used for collections of items that may change, tuple is used for fixed collections

  • Answered by AI

Skills evaluated in this interview

I applied via Company Website and was interviewed in Mar 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. About kilns pregeater elevator and belt conveyors
  • Q2. Slope percentage calculation of kiln Tan value in oil analysys Material and man power handling
  • Ans. 

    The question covers slope percentage calculation of kiln, tan value in oil analysis, and material and manpower handling.

    • For slope percentage calculation of kiln, we need to measure the height and length of the kiln and use the formula tan(theta) = height/length.

    • Tan value in oil analysis is used to determine the acidity of the oil. It is calculated by dividing the acid number by the saponification number.

    • Material and ma...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Good company
Prepare technically
Follow dress code
Groom well
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - HR 

(2 Questions)

  • Q1. How much Experience
  • Ans. 

    I have 10 years of experience in software engineering, specializing in backend development and system architecture.

    • 10 years of experience in software engineering

    • Specialize in backend development and system architecture

    • Worked on projects involving scalability and performance optimization

  • Answered by AI
  • Q2. Do you have any supervisor license
  • Ans. 

    No, I do not have a supervisor license.

    • I do not possess a supervisor license at the moment.

    • I have not pursued obtaining a supervisor license in my career.

    • My focus has been on technical expertise rather than supervisory roles.

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. How to test of motors
  • Ans. 

    Testing of motors involves various methods to ensure functionality and performance.

    • Performing insulation resistance tests to check for any electrical faults

    • Conducting load tests to measure the motor's performance under different conditions

    • Checking for abnormal noise or vibrations during operation

    • Inspecting the motor for any physical damage or wear

    • Using thermography to detect overheating issues

  • Answered by AI
  • Q2. What is transformer safety relay's
  • Ans. 

    Transformer safety relays are devices used to protect transformers from faults and overloads.

    • Transformer safety relays monitor the electrical parameters of a transformer, such as current, voltage, and temperature.

    • They can trip the transformer offline in case of a fault to prevent damage.

    • Some common types of transformer safety relays include overcurrent relays, differential relays, and temperature relays.

  • Answered by AI

I applied via Naukri.com and was interviewed before Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Salary negotiation, joining
  • Q2. Structure design, optimization, costing, past experience etc.
  • Q3. Execution, billing, detailing etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Technical, joining time , timing, company policy etc
Round 1 - Technical 

(1 Question)

  • Q1. Past experience, education, technical
Round 2 - HR 

(5 Questions)

  • Q1. What are your salary expectations?
  • Q2. What is your family background?
  • Q3. Share details of your previous job.
  • Q4. Why are you looking for a change?
  • Q5. Tell me about yourself.
Round 3 - One-on-one 

(1 Question)

  • Q1. Technical , capacity, family

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well , take review, be soft
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Jan 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. Technical optimization cost savings
  • Ans. 

    Technical optimization cost savings refers to reducing expenses by improving technical processes.

    • Identify areas where technical optimization can be implemented

    • Analyze current processes and identify inefficiencies

    • Implement changes to improve efficiency and reduce costs

    • Examples include automating manual processes, optimizing server usage, and reducing energy consumption

    • Regularly review and update processes to ensure cont

  • Answered by AI
  • Q2. Technical optimization cost savings safety, process

Interview Preparation Tips

Interview preparation tips for other job seekers - Technical, optimization, cost savings, time management SAP
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
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 - Coding Test 

It was straightforward

Round 3 - HR 

(2 Questions)

  • Q1. Was easy explaining about role
  • Q2. Previous experience. How to handle the role and expectation. Work schedule. Explain about the team
  • Ans. 

    The candidate should discuss their previous experience, how they handle their role and expectations, their work schedule, and provide an explanation about their previous team.

    • Discuss previous experience in software engineering roles

    • Explain how you handled your role and met expectations in previous positions

    • Describe your typical work schedule and any flexibility you have

    • Provide an overview of your previous team, their s

  • Answered by AI
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Oct 2023. There were 3 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. Most of questions from your project
  • Q2. Oops concepts SQL joins
  • Q3. Angular Data binding
Round 3 - Technical 

(1 Question)

  • Q1. Angular project

Oriental Carbon & Chemicals Interview FAQs

What are the top questions asked in Oriental Carbon & Chemicals Executive Engineer Electrical interview?

Some of the top questions asked at the Oriental Carbon & Chemicals Executive Engineer Electrical interview -

  1. Why we use Vector group of Transform...read more
  2. IR value of Transformers and mo...read more
  3. 100 KVR capacitor design in 4...read more

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