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

I applied via Company Website and was interviewed before Sep 2022. There were 3 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 Resume tips
Round 2 - Technical 

(4 Questions)

  • Q1. About previous experience in industry
  • Q2. About Current company details
  • Q3. P&ID related questions
  • Q4. Troubleshooting and work nature
Round 3 - HR 

(1 Question)

  • Q1. Salary discussion, current environment related things compare to this industry.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Jun 2023. There were 5 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 Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. What is the process? Process flow diagram How to handle emergency situation? What are the safety precautions required?
  • Ans. 

    The process involves creating a process flow diagram, handling emergency situations, and following safety precautions.

    • Create a process flow diagram to visualize the steps involved in the assistant manager role.

    • Establish protocols for handling emergency situations such as fire, medical emergencies, or security threats.

    • Ensure all staff are trained on emergency procedures and have access to emergency contact information.

    • I...

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Tell me about your? Compensation expected
  • Ans. 

    I am looking for a competitive salary based on my experience and qualifications.

    • I have researched the average salary range for Assistant Managers in this industry

    • I am open to discussing benefits and bonuses as part of the compensation package

    • I am confident in my abilities and believe I bring value to the team

  • Answered by AI
Round 4 - Technical 

(1 Question)

  • Q1. Reactor operation Dryer operation Pelletiser operation
Round 5 - HR 

(1 Question)

  • Q1. Tell me about yourself Compensation expected

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well about process
And emergency situation control response
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before May 2023. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Pumps,valves related
Round 2 - HR 

(2 Questions)

  • Q1. Nominal questions
  • Q2. Why I am willing to join PCBL
Round 3 - Technical 

(1 Question)

  • Q1. Pumps,valves ,masurements
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I was interviewed before Feb 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. Light-up procedure?
  • Ans. 

    The light-up procedure refers to the process of turning on or activating a device or system.

    • Ensure all necessary components are connected properly

    • Follow the manufacturer's instructions for turning on the device

    • Check for any error messages or indicators that may prevent the device from lighting up

    • Troubleshoot any issues that may arise during the light-up procedure

  • Answered by AI
  • Q2. What is SFC?
  • Ans. 

    SFC stands for System File Checker, a Windows utility that allows users to scan for and restore corrupted system files.

    • SFC is a command-line tool used to scan and repair system files on Windows operating systems.

    • It can be run using the 'sfc /scannow' command in the Command Prompt.

    • SFC is useful for fixing issues related to system file corruption, which can cause various problems like crashes or error messages.

    • For exampl...

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Describe yourself?
  • Ans. 

    I am a dedicated and organized individual with strong leadership skills and a passion for helping others succeed.

    • Dedicated and hardworking

    • Strong leadership skills

    • Passionate about helping others succeed

    • Organized and detail-oriented

  • Answered by AI
  • Q2. Why you want to join the company?
  • Ans. 

    I am drawn to the company's innovative approach to customer service and its commitment to employee development.

    • I admire the company's reputation for excellent customer service.

    • I am excited about the opportunities for growth and development within the company.

    • I appreciate the company's focus on fostering a positive work environment for its employees.

  • Answered by AI

I applied via Campus Placement and was interviewed before Apr 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Basic PCM

Round 2 - Technical 

(1 Question)

  • Q1. Control System PLC Industrial Instrumentation
Round 3 - HR 

(4 Questions)

  • Q1. Why should we hire you?
  • Ans. 

    I have the necessary skills, experience, and leadership qualities to excel in the role of Assistant Manager.

    • I have a proven track record of successfully managing teams and achieving targets.

    • I possess strong communication and interpersonal skills, which are essential for effectively leading and motivating a team.

    • I am highly organized and detail-oriented, ensuring efficient operations and problem-solving.

    • I am adept at an...

  • Answered by AI
  • Q2. Where do you see yourself in 5 years?
  • Ans. 

    In 5 years, I see myself as a successful Assistant Manager, leading a team and contributing to the growth of the company.

    • Leading a team of dedicated individuals

    • Implementing strategies to improve productivity and efficiency

    • Contributing to the growth and success of the company

    • Continuing to learn and develop new skills

    • Building strong relationships with colleagues and clients

  • Answered by AI
  • Q3. What are your strengths and weaknesses?
  • Ans. 

    My strengths include strong leadership skills, excellent communication abilities, and a knack for problem-solving. My weaknesses include a tendency to be overly critical of myself and a desire for perfection.

    • Strength: Strong leadership skills

    • Strength: Excellent communication abilities

    • Strength: Knack for problem-solving

    • Weakness: Overly critical of myself

    • Weakness: Desire for perfection

  • Answered by AI
  • Q4. Tell me about yourself.
  • Ans. 

    I am a highly motivated and experienced professional with a strong background in management and leadership.

    • Over 5 years of experience in management roles

    • Proven track record of successfully leading teams and achieving targets

    • Excellent communication and problem-solving skills

    • Strong organizational and time management abilities

    • Ability to adapt to changing environments and handle multiple tasks

    • Example: As a Manager at XYZ C...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Brush Up the basics. Focus on communication skill.
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
No response

I applied via Approached by Company 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 Resume tips
Round 2 - Technical 

(3 Questions)

  • Q1. Questions about electrical maintenance and about power plant also was aks about transformer,Generator,motor,vfd,vcb/acb breaker maintenance.Also about during work safety and pwt.
  • Q2. Why vfd use in power plant?
  • Ans. 

    VFDs are used in power plants to control the speed and torque of electric motors, resulting in energy savings and improved efficiency.

    • VFD stands for Variable Frequency Drive.

    • VFDs are used to control the speed of electric motors by varying the frequency of the electrical supply.

    • By adjusting the motor speed to match the required load, VFDs help in saving energy and reducing wear and tear on equipment.

    • VFDs also provide so...

  • Answered by AI
  • Q3. Why motor rpm is 1440 not 1500?
  • Ans. 

    Motor rpm is 1440 instead of 1500 due to the frequency of the power supply.

    • Motor rpm is determined by the frequency of the power supply.

    • In many countries, the standard frequency of the power supply is 50 Hz.

    • The synchronous speed of a motor is determined by the formula: (120 x frequency) / number of poles.

    • For a 4-pole motor and a 50 Hz power supply, the synchronous speed is 1500 rpm.

    • However, due to slip, the actual spee...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I was given interview with good communication and technical skills.

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
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 Resume 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 Resume tips
Round 2 - Technical 

(1 Question)

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

(1 Question)

  • Q1. One on one, non technical
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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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