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Petrofac Workman/Foreman/Technician Interview Questions and Answers

Updated 5 Mar 2021

Petrofac Workman/Foreman/Technician Interview Experiences

1 interview found

I applied via Recruitment Consultant and was interviewed before Mar 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Accepted values of vibration?
  • Ans. 

    Accepted values of vibration depend on the specific industry and application.

    • Accepted values of vibration vary depending on the industry and application.

    • In the automotive industry, acceptable vibration levels for vehicles may be specified by manufacturers.

    • In the construction industry, acceptable vibration levels for heavy machinery may be regulated by safety standards.

    • In the aerospace industry, acceptable vibration lev...

  • Answered by AI
  • Q2. Less then 1nm,Less then2 nm,Less then 3nm.
  • Ans. 

    These are likely measurements of distance or size. More context is needed to provide a specific answer.

    • Need more information to provide a specific answer

    • Could be related to nanotechnology or semiconductor manufacturing

    • May be referring to tolerances or specifications for a particular product or process

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Face to face or vedio call

Interview questions from similar companies

I applied via Naukri.com and was interviewed before Jan 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. How immediately you can hire me?
  • Q2. Very Soon

Interview Preparation Tips

Interview preparation tips for other job seekers - I am ready for interview because I need a Job.

I applied via Campus Placement and was interviewed in Nov 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Favorite subject will be asked from core subjects, questions from CV will be asked, any certifications or courses too.
  • Ans. I told IC Engines and thermodynamics were my favorite detailed questions were asked from those subjects and I was able to answer all the questions. They cover questions from CV too, so make sure you're confident with everything you mention in it.
  • Answered by J T

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and answer maximum questions logically.
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant 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 - Technical 

(3 Questions)

  • Q1. Because I am EX employees with this company.
  • Q2. When you are joining this project
  • Q3. I am ready to join Immediately.
Round 3 - Technical 

(1 Question)

  • Q1. Technical Questions.
Round 4 - es 

(2 Questions)

  • Q1. Yes, HR i asked me salary, but i Received the offer letter from GPS /Saipem and i will accept her offer kettrer .. In wall sing deportment they romped the document for 06 months unfortunately will DeMeo me...
  • Q2. They are always checking with my look ahead scheduler

Interview Preparation Tips

Interview preparation tips for other job seekers - I am EX Employer of the SAIPEM Thats why did not take an Interview.,
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

APTITUDE+TECHNICAL- ELECTRICAL CORE

Round 2 - Technical 

(1 Question)

  • Q1. WHAT IS BLDC MOTOR
  • Ans. 

    BLDC motor stands for Brushless DC motor, which is a type of electric motor that operates without the need for brushes to transfer electrical current.

    • BLDC motors use electronic commutation instead of brushes to control the motor's operation.

    • They are more efficient, reliable, and have a longer lifespan compared to brushed DC motors.

    • BLDC motors are commonly used in applications such as electric vehicles, drones, and indu

  • Answered by AI
Round 1 - Technical 

(1 Question)

  • Q1. Design, fluid, basic subjects
Round 2 - HR 

(1 Question)

  • Q1. Basic hr questions like tell me about the company

Interview Preparation Tips

Interview preparation tips for other job seekers - stay casual don't stress too much and prepare basic clearly and rest depends on your luck
Round 1 - Aptitude Test 

Quantitative aptitude , Logical reasoning

Round 2 - Group Discussion 

Non elimination round, 7 persons were there

Round 3 - Technical 

(1 Question)

  • Q1. Questions related to Heat exchanger, Strength of material, Fluid Mechanics, Pumps
Round 4 - HR 

(2 Questions)

  • Q1. Introduction , Strength
  • Q2. Do you have a experience in Public Speaking, Questions on extra curricular

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident in Interview. Prepare basic subjects like Strength of Material , Fluid mechanics ,Thermodynamics
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Technical 

(10 Questions)

  • Q1. Tell me about youself?
  • Ans. 

    I am a recent graduate with a degree in engineering, eager to learn and grow in a professional setting.

    • Completed Bachelor's degree in Mechanical Engineering

    • Interned at XYZ Company, where I gained experience in project management

    • Proficient in CAD software such as SolidWorks

    • Strong problem-solving and analytical skills

    • Excellent communication and teamwork abilities

  • Answered by AI
  • Q2. What are your projects ?
  • Ans. 

    I have worked on projects related to renewable energy systems and sustainable building design.

    • Designed and implemented a solar panel system for a residential building

    • Conducted energy audits to optimize energy efficiency in buildings

    • Researched and proposed sustainable materials for construction projects

  • Answered by AI
  • Q3. What you did in internship?
  • Ans. 

    I worked on designing and implementing a new software system for tracking inventory and managing orders.

    • Developed a user-friendly interface for inputting and accessing data

    • Integrated barcode scanning technology for efficient inventory management

    • Collaborated with team members to troubleshoot and improve system functionality

  • Answered by AI
  • Q4. What are your favourite subjects ?
  • Ans. 

    My favorite subjects are Mathematics, Physics, and Computer Science.

    • Mathematics - I enjoy solving complex problems and equations.

    • Physics - I am fascinated by the laws of nature and how things work in the universe.

    • Computer Science - I love coding and developing new software applications.

  • Answered by AI
  • Q5. What is 2nd law of thermodynamics?
  • Ans. 

    The 2nd law of thermodynamics states that the total entropy of an isolated system can never decrease over time.

    • Entropy of a system tends to increase over time

    • Heat energy naturally flows from hot to cold objects

    • Efficiency of energy conversion processes is limited by the 2nd law

  • Answered by AI
  • Q6. What are the kelvin plank and claussis statement?
  • Ans. 

    Kelvin-Planck and Clausius statements are two fundamental principles of thermodynamics.

    • Kelvin-Planck statement: It is impossible to construct a device that operates in a cycle and produces no effect other than the extraction of heat from a single reservoir and the performance of an equivalent amount of work.

    • Clausius statement: It is impossible to construct a device that operates in a cycle and produces no effect other ...

  • Answered by AI
  • Q7. What is difference between 4 stroke and 2 stroke engines?
  • Ans. 

    4 stroke engines have separate intake, compression, power, and exhaust strokes, while 2 stroke engines combine intake and compression in one stroke and power and exhaust in another.

    • 4 stroke engines have separate intake, compression, power, and exhaust strokes

    • 2 stroke engines combine intake and compression in one stroke and power and exhaust in another

    • 4 stroke engines are more fuel efficient and produce less pollution

    • 2 ...

  • Answered by AI
  • Q8. What if we put diesel in SI engine and petrol in CI engine?
  • Ans. 

    Putting diesel in SI engine and petrol in CI engine would lead to inefficient combustion and potential damage to the engines.

    • Diesel is designed to be used in compression ignition (CI) engines, which rely on high compression ratios to ignite the fuel. Using diesel in a spark ignition (SI) engine would result in incomplete combustion and poor performance.

    • Petrol is designed for use in spark ignition (SI) engines, which re...

  • Answered by AI
  • Q9. Differentiate b/w CI and SI engine?
  • Ans. 

    CI engines use compression ignition while SI engines use spark ignition.

    • CI engines compress air to high pressures, causing the fuel to ignite spontaneously

    • SI engines use spark plugs to ignite the fuel-air mixture

    • CI engines are more fuel efficient but produce more emissions

    • Examples of CI engines include diesel engines, while SI engines include gasoline engines

  • Answered by AI
  • Q10. What is your final year project ? Asked in deep
Round 2 - HR 

(3 Questions)

  • Q1. What do yo know about company??
  • Ans. 

    Company is a leading engineering firm specializing in renewable energy solutions.

    • Company was founded in 2005 and has since grown to become a key player in the renewable energy sector.

    • They offer a wide range of services including solar panel installation, wind turbine maintenance, and energy efficiency consulting.

    • Company has completed projects in multiple countries, showcasing their global reach and expertise.

    • They prior...

  • Answered by AI
  • Q2. What is your strength and weakness ?
  • Ans. 

    Strength: Strong problem-solving skills. Weakness: Difficulty delegating tasks.

    • Strength: Able to analyze complex problems and come up with effective solutions.

    • Weakness: Struggle to trust others to complete tasks to my standards.

    • Strength: Excellent attention to detail.

    • Weakness: Sometimes too focused on perfection, leading to delays in project completion.

    • Strength: Strong communication skills, able to effectively convey i...

  • Answered by AI
  • Q3. Are you happy to relocate?
  • Ans. 

    Yes, I am happy to relocate for the right opportunity.

    • I am open to relocating for career growth and new experiences.

    • I have relocated in the past for internships and projects.

    • I understand the importance of being flexible and adaptable in the engineering field.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Essar Group Graduate Engineer Trainee (Get) interview:
  • Thermodynamics
  • IC Engines
  • Strength of material
  • Material Science
  • Heat Exchangers
Interview preparation tips for other job seekers - Just do preparation of project and internship in deep, the interview was about 20 minutes. And he asks you very basic ques about your stream.

Interview Preparation Tips

Round: Resume Shortlist
Experience: Conventional Resume Shortlisting

Round: Group Discussion
Duration: 20 minutes

Round: Technical + HR Interview
Experience: I will try and narrate the entire interview experience here. I1 refers to the technical interviewer, I2 refers to the HR interviewer and C refers to the interviewee (me)
I2: Good evening, So you interned in Schlumberger, what happened?
C: I did not get a PPO.
I2: But they came on campus, right?
C: Ya, but I did not get shortlisted.
I1 (surprised): They did not even shortlist you?
C: Initially, they did not but today morning I got a call again.
I2: Then, what happened?
C: I do not know, haven't checked the result.
I2: You did not even bother to check the result? Shows your utter disinterest in Schlumberger..
C: No, it shows my interest in Cairn India.

At this point, I2 got silenced and urged I1 to continue..

I1: So Kartik, tell us about your work in Schlumberger?
C: Explained him all the technical details, without divulging any confidential information.
I1: Can you tell me the block name?
C: No sir, I am not allowed to do so.
Please remember , questions like these are asked just to c

College Name: IIT Kharagpur

Interview Questionnaire 

6 Questions

  • Q1. Tell me about your internships
  • Ans. 

    I have completed two internships, one in a software development company and the other in a manufacturing firm.

    • Interned as a software developer at XYZ Technologies for 6 months

    • Worked on developing a web application using ReactJS and NodeJS

    • Assisted in testing and debugging the application

    • Interned as a production engineer at ABC Manufacturing for 3 months

    • Assisted in the production process and quality control

    • Learned about ...

  • Answered by AI
  • Q2. Tell me about yourself ?
  • Ans. 

    I am a recent engineering graduate with a passion for problem-solving and innovation.

    • I graduated with a degree in Mechanical Engineering from XYZ University.

    • During my time at university, I completed several projects that involved designing and building prototypes.

    • I am proficient in CAD software such as SolidWorks and have experience with programming languages like Python.

    • I am a quick learner and enjoy working in a team...

  • Answered by AI
  • Q3. Tell me about your hobbies?
  • Ans. 

    I enjoy reading, playing sports, and exploring new places.

    • Reading books on various topics such as science fiction, biographies, and history

    • Playing basketball and badminton with friends

    • Traveling to new cities and trying local cuisine

    • Learning new languages and cultures through books and travel

  • Answered by AI
  • Q4. Tell me about 2 failures and how did you overcome them ?
  • Ans. 

    I failed to meet a project deadline and failed to secure an internship. I overcame them by learning from my mistakes and improving my skills.

    • Failed to meet a project deadline due to poor time management

    • Overcame it by creating a detailed schedule and prioritizing tasks

    • Failed to secure an internship due to lack of experience

    • Overcame it by taking online courses and gaining relevant skills

    • Learned from both failures and imp

  • Answered by AI
  • Q5. What were the other companies you are going to sit during your placements?
  • Ans. 

    I am sitting for placements in companies like ABC, XYZ, and PQR.

    • ABC

    • XYZ

    • PQR

  • Answered by AI
  • Q6. Why Oil and gas sector?
  • Ans. 

    Oil and gas sector offers challenging work, global exposure, and opportunities for growth.

    • Oil and gas sector is a dynamic and constantly evolving industry.

    • It offers a wide range of challenging work, from exploration to production and refining.

    • Working in this sector provides global exposure and opportunities to work on projects in different parts of the world.

    • The sector offers opportunities for growth and career advance...

  • Answered by AI

Interview Preparation Tips

Round: Group Discussion
Experience: There were 10 candidates in each group and I guess there were around 5 such groups, and all are from chemical engineering department. Group discussion for the GG students were held separately. Duration of the group discussion was only 5 min and so each candidate will get a chance to speak for less than 1-2 min. During the GD I made good conclusion which was also supported by the whole group which gave an added advantage to my points. GD's with my batch mates really helped me because discussing with your friends gives you broader perspective, better understanding of the topics, get to to know your weaknesses, reduce fear and stress during the GD's.The Key is ' be confident, put relevant points and try to convince the group in a smart way'. FInally only 2 students from each group got shortlisted and around 12 students were selected for the final Technical & HR Interview.
Tips: Be updated with the recent topics and better to do some group discussions with your wing mates or batch mates. This really helped me. Do not shout in the GD, put your points in smart way and make a good conclusion... :)
Duration: 5 Min minutes

Round: Technical Interview
Experience: My Interview started with ' Tell me about yourself' and then they grilled me on my internships. I did my third year Intern in Haldia Petrochemicals Ltd. Q1. What are the different types of pumps and their parts? (Centrifugal, positive displacement pumps and their parts) Q2. Different types of valves and their application? (Like gate, globe, butterfly, Non return valves (NRV)- check valves, ball valves etc.) Q3. Calculation of pressure drop through a pipe in turbulent flow (Not hagen poiseuille equation,it is for Laminar flow)
Q4. Pinch temperature Q5. Temperature profiles for cold fluid and hot fluid in cocurrent and counter current heat exchanger. Q6. Advantages of counter current heat exchanger over co current heat exchanger. (Other than LMTD, Check DQ Kern)- Ans. Hot fluid outlet temperature can go below cold fluid inlet temperature in counter current HEx which is not possible in case of co current HEx.
Q7. JT Expansion. MY 4th year internship was in U of S, canada where I developed two processes for manufacturing of glycerol carbonate and propylene glycol using Aspen hysys. They asked me regarding mass, energy balance (utilities) involved in the process and how I applied pinch analysis for the processes.


Tips: Be Confident, Be completely prepared with your projects, should be strong in your core concepts and try to answer logically.

Round: HR Interview
Experience: These are all basic standard questions
Tips: Be yourself, state real life examples and make some good stories.

General Tips: Be positive, keep smiling and make proper plan for the placements and work accordingly.
Skills: Chemical Engineering Basics
College Name: IIT Kharagpur
Motivation: I am interested to pursue my career in core chemical engineering and CAIRN is one of the best options available in oil and gas industry.

Petrofac Interview FAQs

What are the top questions asked in Petrofac Workman/Foreman/Technician interview?

Some of the top questions asked at the Petrofac Workman/Foreman/Technician interview -

  1. Less then 1nm,Less then2 nm,Less then 3...read more
  2. Accepted values of vibrati...read more

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Petrofac Workman/Foreman/Technician Reviews and Ratings

based on 2 reviews

5.0/5

Rating in categories

4.1

Skill development

4.7

Work-life balance

5.0

Salary

5.0

Job security

5.0

Company culture

3.9

Promotions

5.0

Work satisfaction

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