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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 experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed in Sep 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. What is the machine capacity?
  • Ans. 

    The machine capacity refers to the maximum amount of work or output that a machine can handle within a given time frame.

    • Machine capacity can be measured in terms of units produced per hour, pieces processed per minute, or any other relevant metric.

    • Factors that can affect machine capacity include machine speed, efficiency, maintenance, and downtime.

    • For example, a CNC machine may have a capacity of producing 100 units pe...

  • Answered by AI
  • Q2. Mhe requirement
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Oct 2023. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. Process of carbon black
  • Ans. 

    Carbon black is a fine black powder used as a pigment and reinforcing agent in rubber and plastic products.

    • Carbon black is produced by incomplete combustion of heavy petroleum products.

    • It is used in tires, ink, paint, and various other products for its coloring and reinforcing properties.

    • The process involves burning hydrocarbons in a limited air supply to produce carbon black particles.

    • The particles are then collected ...

  • Answered by AI
  • Q2. Previous plant related questions
  • Q3. Soda ash process

Interview Questionnaire 

1 Question

  • Q1. 3 rounds of interviews had been taken. 1st two rounds were technical followed by one HR round. They basically asked about my current job profile and responsibilities. Any achievement in my career.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Feb 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 - Aptitude Test 

General questions are comes in the test not difficult type

Round 3 - Technical 

(2 Questions)

  • Q1. They ask core related questions in this topic
  • Q2. What is vfd? What is softstarter? How the synchronization is done?
  • Ans. 

    VFD is a variable frequency drive used to control the speed of an electric motor. Softstarter is a device used to reduce the starting current of a motor. Synchronization is the process of matching the speed and phase of two or more motors.

    • VFD is used to save energy and reduce wear and tear on motors by controlling the speed of the motor.

    • Softstarter is used to reduce the starting current of a motor, which can help preve...

  • Answered by AI
Round 4 - One-on-one 

(1 Question)

  • Q1. Why you want to join pcbl?
  • Ans. 

    I want to join PCBL because of its strong reputation in the industry and its commitment to innovation and growth.

    • PCBL has a strong reputation in the industry, which would provide me with valuable experience and opportunities for growth.

    • I am impressed by PCBL's commitment to innovation and its focus on staying ahead of industry trends.

    • PCBL's company culture aligns with my values and I believe I would thrive in such an e...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Tell everything clearly and rightly. You have to technical sound in the everything.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Oct 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. How many tubes are there in APH
  • Q2. How you change oil pump?
  • Ans. 

    To change an oil pump, you need to drain the oil, remove the old pump, install the new pump, and refill with fresh oil.

    • Drain the oil from the engine

    • Remove the old oil pump

    • Install the new oil pump

    • Refill the engine with fresh oil

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident what ever you say and don't say anything if you are not confident about
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Process,technical round
Round 3 - One-on-one 

(1 Question)

  • Q1. One on one, non technical
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Sep 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - Group Discussion 

About Work Culture and how is wfh affecting people

Round 3 - Aptitude Test 

Duration of the aptitude test was around 30 mins

Round 4 - HR 

(1 Question)

  • Q1. I would not like to

Interview Questionnaire 

1 Question

  • Q1. I am Ex Army, My rank waa Hony Lt and my trade was Junior Engineer Civil. At time of retirement I have got B Tech equivalent certificate. My son is studying in class 10 and daughter is studying in class...

Interview Preparation Tips

Interview preparation tips for other job seekers - I have no interview till now.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(4 Questions)

  • Q1. What Is GMAW ?
  • Ans. 

    GMAW stands for Gas Metal Arc Welding, a welding process that uses a continuous solid wire electrode and shielding gas to create a weld.

    • Uses a continuous solid wire electrode

    • Requires a shielding gas to protect the weld from atmospheric contamination

    • Commonly used in industries like automotive, construction, and manufacturing

  • Answered by AI
  • Q2. What are different between MIG & MAG ?
  • Ans. 

    MIG stands for Metal Inert Gas welding, while MAG stands for Metal Active Gas welding. The main difference lies in the type of shielding gas used.

    • MIG welding uses inert gases like argon or helium to shield the weld pool from atmospheric contamination, while MAG welding uses active gases like carbon dioxide or a mixture of gases.

    • MIG welding is typically used for non-ferrous metals like aluminum, while MAG welding is mor...

  • Answered by AI
  • Q3. What is WPS Procee ?
  • Ans. 

    WPS Procee is a welding procedure specification that outlines the details of a specific welding process.

    • WPS Procee includes information such as welding materials, welding parameters, preheat and post-weld heat treatment requirements.

    • It is essential for ensuring consistency and quality in welding operations.

    • WPS Procee is often required in industries such as construction, manufacturing, and oil & gas.

    • Example: A WPS Proce...

  • Answered by AI
  • Q4. What is PQR Process ?
  • Ans. 

    PQR Process is a procedure used in welding to qualify the welding procedure specification.

    • PQR stands for Procedure Qualification Record.

    • It involves testing and documenting the variables used during the welding process.

    • The purpose is to ensure that the welding procedure will produce the desired quality of welds.

    • PQR Process is essential for ensuring the integrity and strength of welded joints.

    • Examples of variables tested...

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Tell about yourself.
  • Ans. 

    Experienced Senior Engineer with a strong background in software development and project management.

    • Over 10 years of experience in software engineering

    • Proficient in multiple programming languages such as Java, Python, and C++

    • Led successful projects from conception to completion, resulting in increased efficiency and cost savings

    • Strong problem-solving skills and ability to work well in a team environment

  • Answered by AI
  • Q2. Why you want to switch your job .
  • Ans. 

    Seeking new challenges and opportunities for growth.

    • Looking for a new environment to learn and develop new skills.

    • Interested in working on different projects to broaden my experience.

    • Seeking a company with better career advancement opportunities.

    • Want to explore new technologies and methodologies in the industry.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep attached with naukri.com .

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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