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INOX Air Products Operations Engineer Interview Questions and Answers

Updated 8 Sep 2024

INOX Air Products Operations Engineer Interview Experiences

1 interview found

Operations Engineer Interview Questions & Answers

user image Raviraj Janugade

posted on 24 Feb 2024

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

I applied via Campus Placement and was interviewed before Feb 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Test of technical knowledge used in ASU industry and also fluid mechanics question were asked.

Round 2 - Group Discussion 

Topic of group was is Mechanical Engineer does Play a vital role in ASU or chemical industry and if yes what are the key responsibilities.

Round 3 - One-on-one 

(3 Questions)

  • Q1. What is Bernoulli equation and its significance
  • Ans. 

    The Bernoulli equation relates the pressure, velocity, and elevation of a fluid flow.

    • Describes the conservation of energy in a flowing fluid

    • States that the sum of pressure energy, kinetic energy, and potential energy per unit volume remains constant along a streamline

    • Used in fluid mechanics to analyze fluid flow in pipes, nozzles, and wings

  • Answered by AI
  • Q2. What is pascals law?
  • Ans. 

    Pascal's law states that a change in pressure applied to an enclosed fluid is transmitted undiminished to all portions of the fluid and to the walls of its container.

    • Pressure applied to a confined fluid is transmitted equally in all directions

    • The pressure at any point in a fluid at rest is the same in all directions

    • Used in hydraulic systems to generate force or motion

    • Example: Hydraulic car brakes work based on Pascal's

  • Answered by AI
  • Q3. How gravity affect the things and what it is?
  • Ans. 

    Gravity is a force that pulls objects towards each other. It affects the weight of objects and determines how they move on Earth.

    • Gravity is a fundamental force of nature that causes objects with mass to be attracted to each other.

    • The strength of gravity depends on the mass of the objects and the distance between them.

    • Gravity affects the weight of objects by pulling them towards the center of the Earth.

    • Gravity also dete...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for INOX Air Products Operations Engineer interview:
  • Fluid Mechanics
  • Thermodynamics
Interview preparation tips for other job seekers - Prepare for fluid mechanics and thermodynamics. And on top that heat and mass transfer. ASU industry is basically converting Air into Liquid oxygen, nitrogen and argon, using air seperation methods. So that involves study of flow, air pressure, cryogenic temperatures and heat transfer and turbo machinary maintenance knowledge.

Interview questions from similar companies

I applied via Campus Placement and was interviewed in Dec 2016. There were 2 interview rounds.

Interview Preparation Tips

Round: HR Interview
Experience: HR was really friendly and discussed resume in detail.

Round: Technical Interview
Experience: Had more discussion on technical terms on resume.

Round: Technical Interview
Experience: Asked questions on Programming and questions related to course work mentioned in the resume. The interview was completely candidate driven.

College Name: IIT Madras

I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.

Interview Preparation Tips

Round: Test
Experience: There were totally 8 sections to the test. But they could be broadly put under 4 categories. Firstly all questions were compulsory to attempt and there was no negative marking. Aptitude: Basic quantitative math questions were asked. There was one simple programming question where one could code in C/Java in your local IDE and upload the code file. It was a DO or DIE question, either you get the question and proceed to the next questions of the test or the test gets stopped if the code is not successfully compiled within 5 attempts. This programming question, as was told was an important criteria to filter out candidates for the next round. There was a descriptive question asking about a recent team project done.
Tips: Achievements in sports and other extra curricular activities are valued. Mention them in the resume, if applicable.
Duration: 1 hour 30 minutes

Round: Technical Interview
Experience: In this round, they look for the candidate's experience in coding in whatever language mentioned in the resume - I was asked to write some simple codes in c. I was also asked to explain some projects from the resume.
Tips: basic knowledge of data structures, resume preparation

Round: Technical + HR Interview
Experience: In this round, the questions were mostly based on the resume and the projects done. Also, HR questions like What do you know about Schlumberger, How do you perform in a team, What makes you unique from the other candidates etc. were asked. They also ask if you have any questions from your side - Better to ask questions if you have one or if you can't think upon any specific question, ask them a doubt from whatever they have said(usually they say a lot about their company and principles before they ask you for questions)
Tips: Prepare for a HR interview separately, resume preparation

College Name: IIT Madras

I applied via Campus Placement and was interviewed in Dec 2016. There were 2 interview rounds.

Interview Preparation Tips

Round: HR Interview
Experience: HR was really friendly and asked about projects in the resume.

Round: Technical Interview
Experience: Interviewer asked questions related to programming and algorithms.

Round: Technical Interview
Experience: Interviewer asked all technical details inside the resume. This round was more technical. More emphasis was on problem solving skills.

College Name: IIT Madras

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

Interview Questionnaire 

5 Questions

  • Q1. Tell about myself
  • Q2. Expert in which field
  • Ans. 

    Expert in software development and architecture

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

    • Skilled in designing and implementing complex software systems

    • Experienced in using various development tools and technologies

    • Knowledgeable in software architecture patterns and best practices

  • Answered by AI
  • Q3. Auto cad , vendor development
  • Q4. Hobbies
  • Q5. Watching TV

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident focus what you needed

I applied via Campus Placement and was interviewed before Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. DSA, development, oops, os

Interview Preparation Tips

Interview preparation tips for other job seekers - Had a fun time giving 5 rounds back to back

I applied via Recruitment Consulltant and was interviewed in Jan 2022. 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 Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Question are Related to job and work for experience candidates.
Round 3 - HR 

(1 Question)

  • Q1. Dessucused about location and salary

Interview Preparation Tips

Topics to prepare for Linde India Senior Engineer interview:
  • Technical
Interview preparation tips for other job seekers - Be calm and answer confidentiality, not required to answer all the questions if you don't know the answer then can say I don't know.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jan 2024. There were 3 interview rounds.

Round 1 - Group Discussion 

My GD topic was renewable energy.

Round 2 - HR 

(7 Questions)

  • Q1. Tell me about yourself
  • Ans. 

    I am a Senior Engineer with 10+ years of experience in designing and implementing complex systems.

    • 10+ years of experience in engineering

    • Specialize in designing and implementing complex systems

    • Strong problem-solving skills

    • Experience with various programming languages such as Java, Python, and C++

  • Answered by AI
  • Q2. Why do you want to leave your previous company and join GAIL
  • Ans. 

    Seeking new challenges and growth opportunities at GAIL.

    • Desire for new challenges and opportunities for growth

    • Interested in working in a different industry or with different technologies

    • Attracted to GAIL's reputation and projects

    • Seeking a more collaborative and innovative work environment

  • Answered by AI
  • Q3. What do your parents do
  • Ans. 

    My parents are both retired now, but my father used to work as a civil engineer and my mother was a teacher.

    • Father worked as a civil engineer

    • Mother was a teacher

    • Both are retired now

  • Answered by AI
  • Q4. Have you ever visited Delhi earlier
  • Ans. 

    Yes, I have visited Delhi earlier for a business trip.

    • Visited Delhi for a business trip

    • Explored historical sites like Red Fort and Qutub Minar

    • Enjoyed local cuisine like butter chicken and chaat

  • Answered by AI
  • Q5. How did you reach Noida for interview
  • Q6. Where are you staying in Noida for interview process
  • Ans. 

    I am staying at a hotel in Sector 18, Noida for the interview process.

    • Staying at a hotel in Sector 18, Noida

    • Close to the interview location

    • Comfortable accommodation for the duration of the process

  • Answered by AI
  • Q7. Related family background
Round 3 - Technical 

(7 Questions)

  • Q1. Detailed technical questions about bearing, pump, furnace tubes (1st and 2nd pass)MOC, TLE MOC, heat exchanger tube MOC, TEMA codes and classification etc.
  • Q2. Decoking process of cracking furnace, Naphtha circuit of furnace with sketches,
  • Ans. 

    Decoking process involves removing coke deposits from cracking furnace and naphtha circuit to maintain efficiency.

    • Decoking process involves burning off coke deposits using controlled combustion.

    • Mechanical decoking involves using high-pressure water jets to remove coke deposits.

    • Chemical decoking involves using solvents or acids to dissolve coke deposits.

    • Regular decoking is essential to prevent blockages and maintain fur

  • Answered by AI
  • Q3. Detailed refrigeration cycles
  • Ans. 

    Refrigeration cycles are thermodynamic processes used in refrigerators and air conditioners to transfer heat from a low temperature reservoir to a high temperature reservoir.

    • Refrigeration cycles typically involve four main components: compressor, condenser, expansion valve, and evaporator.

    • The refrigerant undergoes a cycle of compression, condensation, expansion, and evaporation to absorb heat from the space being coole...

  • Answered by AI
  • Q4. Safety related questions which I couldn't answer well
  • Q5. Safety procedures before starting of hot job
  • Ans. 

    Safety procedures before starting a hot job include obtaining a hot work permit, conducting a hazard assessment, ensuring proper ventilation, and having fire extinguishing equipment nearby.

    • Obtain a hot work permit before starting any hot job

    • Conduct a hazard assessment to identify potential risks

    • Ensure proper ventilation in the work area to prevent buildup of flammable gases

    • Have fire extinguishing equipment nearby and r

  • Answered by AI
  • Q6. Furnace tubes Welding related questions
  • Q7. Scaffolding and insulation related general questions (easy)

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared for GD and just keep enough technical knowledge on your field of experience. Be relaxed and give interview with happy face..don't be depressed if you couldn't answer any question during interview. If you don't know anything just say "I don't know" ...keep the things simple and give honest answer always.

I applied via Company Website and was interviewed before Sep 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. How will you identify if a pump is cavitating while working on a DCS panel?
  • Ans. 

    To identify if a pump is cavitating while working on a DCS panel, you can look for certain indicators.

    • Monitor the pump's suction pressure. If it is fluctuating or dropping below the specified range, it may indicate cavitation.

    • Check the pump's discharge pressure. If it is higher than normal, it could be a sign of cavitation.

    • Listen for unusual noises such as a rattling or grinding sound coming from the pump.

    • Inspect the p...

  • Answered by AI
  • Q2. How would you prepare a hydrocarbon vessel for vessel entry?
  • Ans. 

    To prepare a hydrocarbon vessel for vessel entry, follow these steps:

    • Ensure the vessel is properly isolated from the process and all sources of energy

    • Ventilate the vessel to remove any flammable or toxic gases

    • Perform a thorough inspection of the vessel for any signs of leaks or damage

    • Implement proper lockout/tagout procedures to prevent accidental activation of equipment

    • Provide appropriate personal protective equipment...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for GAIL Senior Engineer interview:
  • Chemical Engineering
  • DCS Operations
Interview preparation tips for other job seekers - Try to answer the questions asked in simple words. The interviewer generally wants to judge an interviewee based on his understanding of the subject. When an applicant is appearing for an interview, he should share his experience and try to quote examples from his experience.
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Analysis , graph , dp , recursion

Round 2 - Coding Test 

Array, string, graph

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INOX Air Products Interview FAQs

How many rounds are there in INOX Air Products Operations Engineer interview?
INOX Air Products interview process usually has 3 rounds. The most common rounds in the INOX Air Products interview process are Aptitude Test, Group Discussion and One-on-one Round.
What are the top questions asked in INOX Air Products Operations Engineer interview?

Some of the top questions asked at the INOX Air Products Operations Engineer interview -

  1. How gravity affect the things and what it ...read more
  2. What is Bernoulli equation and its significa...read more
  3. What is pascals l...read more

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INOX Air Products Operations Engineer Interview Process

based on 3 interviews

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3.3
  
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INOX Air Products Operations Engineer Salary
based on 42 salaries
₹2.8 L/yr - ₹6 L/yr
28% less than the average Operations Engineer Salary in India
View more details

INOX Air Products Operations Engineer Reviews and Ratings

based on 8 reviews

4.5/5

Rating in categories

4.1

Skill development

4.3

Work-life balance

3.5

Salary

4.7

Job security

4.0

Company culture

4.4

Promotions

3.8

Work satisfaction

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