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Ongc Petro Additions DCS Operations Engineer Interview Questions and Answers

Updated 6 Nov 2024

Ongc Petro Additions DCS Operations Engineer Interview Experiences

1 interview found

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

I applied via Naukri.com and was interviewed before Nov 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is boiler scaling
  • Ans. 

    Boiler scaling is the accumulation of mineral deposits on the internal surfaces of a boiler.

    • Boiler scaling occurs when minerals in the water, such as calcium and magnesium, precipitate out and form a hard, insulating layer on the boiler's heat transfer surfaces.

    • Scaling reduces heat transfer efficiency, increases energy consumption, and can lead to overheating and equipment failure.

    • Preventative measures include water tr...

  • Answered by AI
  • Q2. What's is corrosion
  • Ans. 

    Corrosion is the process of deterioration of a material, usually a metal, due to chemical reactions with its environment.

    • Corrosion occurs when a metal reacts with substances in its environment, such as oxygen or water.

    • Common types of corrosion include rusting of iron and tarnishing of silver.

    • Corrosion can weaken structures and equipment, leading to potential safety hazards.

    • Preventative measures against corrosion includ

  • Answered by AI

Interview questions from similar companies

Interview experience
1
Bad
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Tell me about your last experience 1
  • Ans. 

    I led a team in streamlining operations and implementing cost-saving measures.

    • Led a team in identifying inefficiencies in processes

    • Implemented new procedures to improve efficiency

    • Reduced operational costs by 15% through strategic planning

    • Collaborated with cross-functional teams to ensure smooth operations

  • Answered by AI
  • Q2. Why are you joining us
  • Ans. 

    I am joining your organization because of the exciting opportunities for growth and the strong company culture.

    • Opportunities for career advancement

    • Strong company culture

    • Exciting projects and challenges

    • Desire to contribute to a successful team

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't recommend
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

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

Round 1 - Technical 

(3 Questions)

  • Q1. Can you provide a brief introduction about yourself?
  • Q2. What are the technical aspects of OISD STD 244?
  • Q3. Some technical questions related to IQCM (Industry Quality Control Manual).
Round 2 - HR 

(3 Questions)

  • Q1. Can you provide a brief introduction about yourself?
  • Q2. What motivated you to consider a job switch?
  • Q3. What are your achievements in previous organizations that benefited the company?

Interview Preparation Tips

Interview preparation tips for other job seekers - Possess strong technical knowledge alongside field expertise.
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 Jan 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Technical subjects knowledge

Round 2 - Group Discussion 

Share my theoretical knowledge for interviewer .

Interview Preparation Tips

Topics to prepare for PCBL Chemical Limited Operations Executive interview:
  • UNITS CONVERTION
  • Favourite subject knowledge
Interview preparation tips for other job seekers - You should have Theoretical knowledge of technical subjects.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Naukri.com and was interviewed before May 2023. There were 2 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. Technical questions will be asked.
  • Q2. Will be asking more about process.
  • Q3. Should be thoroughly prepared for all basic concepts.
Round 2 - HR 

(1 Question)

  • Q1. Negotiation round

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared before hand

I applied via Company Website and was interviewed in Sep 2021. 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 - HR 

(5 Questions)

  • Q1. Share details of your previous job.
  • Q2. What is your family background?
  • Q3. What are your salary expectations?
  • Q4. What are your strengths and weaknesses?
  • Q5. Tell me about yourself.
Round 3 - Technical 

(1 Question)

  • Q1. Regarding plantation management

Interview Preparation Tips

Interview preparation tips for other job seekers - Very gentle and don't tell false information

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

Interview Questionnaire 

2 Questions

  • Q1. HR questions: My first question was tell me about yourself and my work experiences, second: what is reason for leaving your all previous companies, third: are u comfortable in hindi speaking(As im from And...
  • Q2. Technical: Catalyst loading, plant PFD ( my previous experience was from ammonia plant).

Interview Preparation Tips

Interview preparation tips for other job seekers - Be bold, u can face the interview and crack it very easily.
Finally dont get disappointed if not selected, as u have no. of opportunities once u have 3yrs of work experience
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Mar 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

The test was so easy that all the students could search answers online from google by copy pasting it. There was very much cheating during the test and the second round was group discussion in which they eliminated 90% of participants who cleared the shit test. The interviewer was rude and he only selected those candidates which he was told to select by some senior employee whom the participants had already contacted beforehand to select. He asked hard questions and unrelevenat questions like what is the pressure in a truck tyre, what is area of india and other questions not related to chemical engineering.

Round 2 - Group Discussion 

The dertails of the group discussion is given above. it was terrible and swnseless the HR was unattentivve.

Round 3 - Technical 

(2 Questions)

  • Q1. The onterviewer was partial in asking questions and only selscted those candidates to whom he was yold to select before hand by some contacts in company.
  • Q2. What is the pressure in a truck tyre? what is main objective of chemical engineeirng? who invented chemical engineering?
  • Ans. 

    The pressure in a truck tyre typically ranges from 80 to 100 psi.

    • Truck tyres are designed to handle higher pressures compared to regular car tyres.

    • Proper tyre pressure is important for vehicle safety and fuel efficiency.

    • Pressure can vary based on the type of truck and load it is carrying.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Do not go to this companya nayara energy, Reliance industries is far better and more helpfull and provides accomodationa dn food and other services to its emloyees.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Dec 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(4 Questions)

  • Q1. Round 1 was basics taken by Unit production head, Mundra. Asked to introduce myself.
  • Q2. Current experience and roles and responsibilities of the job
  • Q3. Questions regarding unit operations used in the plant, distillation, and simple MT questions.
  • Q4. Have you ever handled a critical situation or contributed something new to the place you work.
Round 3 - Technical 

(4 Questions)

  • Q1. This was on site with the plant head, Mundra . It went on for about 1 hour. Introduction first
  • Q2. What is the current role you have in the company and why do you want to change
  • Q3. The whole process of the plant i was working in detail with safety guidelines, operation parameters, hazards and risks, team hierarchy, storage and packing of products, waste water treatment, utilities use...
  • Q4. What salary are you expecting and why
Round 4 - HR 

(2 Questions)

  • Q1. HR was online over teams. Head HR from HO asked questions.
  • Q2. Introduction, Strengths and Weaknesses, Contribution in current role, Team Handling, career plan etc .

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview process was fairly easy although long.

I applied via Referral and was interviewed in Apr 2021. There were 6 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. How do you deal with labour

Interview Preparation Tips

Interview preparation tips for other job seekers - Good and friendly interaction

Ongc Petro Additions Interview FAQs

How many rounds are there in Ongc Petro Additions DCS Operations Engineer interview?
Ongc Petro Additions interview process usually has 1 rounds. The most common rounds in the Ongc Petro Additions interview process are Technical.
What are the top questions asked in Ongc Petro Additions DCS Operations Engineer interview?

Some of the top questions asked at the Ongc Petro Additions DCS Operations Engineer interview -

  1. What is boiler scal...read more
  2. What's is corros...read more

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Ongc Petro Additions DCS Operations Engineer Interview Process

based on 2 interviews

Interview experience

5
  
Excellent
View more

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Ongc Petro Additions DCS Operations Engineer Reviews and Ratings

based on 1 review

3.0/5

Rating in categories

5.0

Skill development

2.0

Work-life balance

3.0

Salary

1.0

Job security

5.0

Company culture

1.0

Promotions

2.0

Work satisfaction

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