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Petrofac Graduate Engineer Interview Questions, Process, and Tips

Updated 26 Jul 2023

Petrofac Graduate Engineer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Company Website and was interviewed in Jun 2023. 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 - Aptitude Test 

Graph based question. Duration: 45 mins

Round 3 - Technical 

(5 Questions)

  • Q1. What are different types of sensors used in oil and gas industries?
  • Ans. 

    Various sensors used in oil and gas industries include pressure sensors, temperature sensors, flow sensors, level sensors, and gas detectors.

    • Pressure sensors - used to measure pressure in pipelines and equipment.

    • Temperature sensors - monitor temperature levels in various processes.

    • Flow sensors - measure the flow rate of liquids or gases in pipelines.

    • Level sensors - detect the level of liquids in tanks or vessels.

    • Gas de...

  • Answered by AI
  • Q2. What is HAZOP and HAZID?
  • Ans. 

    HAZOP stands for Hazard and Operability Study, while HAZID stands for Hazard Identification.

    • HAZOP is a systematic method to identify potential hazards and operability issues in a process plant.

    • HAZID is a process used to identify hazards in a facility or operation before they become accidents.

    • Both HAZOP and HAZID are important tools in risk assessment and management in engineering projects.

  • Answered by AI
  • Q3. What are P, PI,PID in process control?
  • Ans. 

    P, PI, PID are types of controllers used in process control to regulate the output based on the input.

    • P stands for Proportional controller, which adjusts the output based on the error signal.

    • PI stands for Proportional-Integral controller, which not only adjusts based on error signal but also integrates the error over time.

    • PID stands for Proportional-Integral-Derivative controller, which adjusts based on error signal, i...

  • Answered by AI
  • Q4. What do you know about Digital Electronics?
  • Ans. 

    Digital Electronics is a branch of electronics that deals with digital signals and systems.

    • Deals with digital signals (0s and 1s)

    • Involves logic gates, flip-flops, and digital circuits

    • Used in computers, calculators, digital watches, etc.

    • Binary arithmetic and Boolean algebra are fundamental concepts

  • Answered by AI
  • Q5. What are level sensor, flow sensor, temperature sensor?
  • Ans. 

    Level sensor, flow sensor, and temperature sensor are devices used to measure different physical parameters in various industries.

    • Level sensor measures the level of a substance in a container or tank, such as liquid level sensors in water tanks.

    • Flow sensor measures the flow rate of a fluid, like a flow meter in a pipeline.

    • Temperature sensor measures the temperature of a system or environment, for example, a thermocoupl

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep your resume crisp. If you are in your final year of B.E. and want to pursue career in core, then this is the best company for you to gain experience and knowledge.

Interview questions from similar companies

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

Interview Questionnaire 

28 Questions

  • Q1. What is mean by safety
  • Ans. 

    Safety refers to the condition of being protected from harm, danger, or injury.

    • Safety involves taking measures to prevent accidents and injuries

    • It includes following rules and regulations to ensure a safe environment

    • Safety can be achieved through proper training and education

    • Examples of safety measures include wearing protective gear, using safety equipment, and practicing safe behaviors

    • Safety is important in all indus...

  • Answered by AI
  • Q2. What is LEL
  • Ans. 

    LEL stands for Lower Explosive Limit and is the minimum concentration of a gas or vapor in air that can ignite.

    • LEL is a safety term used in industries dealing with flammable gases and liquids.

    • It is expressed as a percentage of the gas or vapor in air.

    • If the concentration of the gas or vapor is below the LEL, it is too lean to ignite.

    • If the concentration is above the LEL, it is too rich and can ignite.

    • For example, the L...

  • Answered by AI
  • Q3. What is RA
  • Q4. What is JSA/JHA
  • Ans. 

    JSA/JHA stands for Job Safety Analysis/Job Hazard Analysis. It is a process of identifying potential hazards and risks in a job or task.

    • JSA/JHA is a systematic approach to identify and mitigate potential hazards in a job or task

    • It involves breaking down a job or task into steps and analyzing each step for potential hazards

    • The analysis includes identifying the hazards, assessing the risks, and implementing controls to m...

  • Answered by AI
  • Q5. Role of HSE
  • Ans. 

    HSE plays a crucial role in ensuring the safety and well-being of employees and the environment.

    • HSE stands for Health, Safety, and Environment.

    • It involves identifying and assessing potential hazards and implementing measures to control or eliminate them.

    • HSE also includes training employees on safety procedures and emergency response plans.

    • Examples of HSE measures include wearing personal protective equipment, conductin...

  • Answered by AI
  • Q6. What is Hchem
  • Ans. 

    Hchem is not a known term or acronym in the engineering field.

    • Hchem is not a commonly used term in engineering

    • It is possible that the interviewer misspoke or meant to ask a different question

    • Without more context, it is difficult to provide a more specific answer

  • Answered by AI
  • Q7. What is Hazop
  • Ans. 

    Hazop is a structured and systematic technique used to identify potential hazards and operability problems in industrial processes.

    • Hazop stands for Hazard and Operability Study

    • It involves a team of experts analyzing a process to identify potential hazards and operability issues

    • Hazop is commonly used in the chemical, oil and gas, and pharmaceutical industries

    • The process involves breaking down the process into smaller pa...

  • Answered by AI
  • Q8. What is confined space
  • Ans. 

    Confined space refers to an area that is enclosed and has limited access and ventilation.

    • Examples include tanks, silos, sewers, and tunnels.

    • Workers entering confined spaces must follow safety protocols and use specialized equipment.

    • Hazards in confined spaces include lack of oxygen, toxic gases, and physical obstructions.

    • Proper training and communication are crucial for working in confined spaces.

  • Answered by AI
  • Q9. What is work at height
  • Ans. 

    Work at height refers to any task performed at a height where a person could fall and injure themselves.

    • Work at height involves working on ladders, scaffolding, roofs, or any other elevated surface

    • It is important to use appropriate safety equipment such as harnesses, guardrails, and safety nets

    • Workers should be trained on how to safely work at height and how to properly use safety equipment

    • Examples of work at height in...

  • Answered by AI
  • Q10. Hazard of confined space
  • Ans. 

    Confined spaces pose a significant hazard due to limited entry and exit points, poor ventilation, and potential for hazardous substances.

    • Limited entry and exit points can make it difficult to escape in case of an emergency

    • Poor ventilation can lead to a buildup of toxic gases or lack of oxygen

    • Potential for hazardous substances such as chemicals, fumes, or dust

    • Examples include tanks, silos, sewers, and tunnels

    • Proper trai...

  • Answered by AI
  • Q11. Precautions of confined space
  • Ans. 

    Precautions to be taken while working in confined spaces

    • Proper ventilation and air quality testing

    • Use of personal protective equipment

    • Proper lighting and communication equipment

    • Training and certification for workers

    • Emergency rescue plan in place

  • Answered by AI
  • Q12. What is LEL&UEL
  • Ans. 

    LEL&UEL stands for Lower Explosive Limit and Upper Explosive Limit respectively. They are the minimum and maximum concentrations of a flammable gas or vapor in air that can ignite.

    • LEL is the lowest concentration of a gas or vapor that can ignite

    • UEL is the highest concentration of a gas or vapor that can ignite

    • Concentrations between LEL and UEL are considered flammable

    • LEL and UEL vary depending on the gas or vapor

    • LEL an...

  • Answered by AI
  • Q13. What is competent person
  • Q14. What is fire
  • Ans. 

    Fire is a chemical reaction that releases heat, light, and various gases.

    • Fire is a rapid oxidation process that occurs when fuel (such as wood, paper, or gasoline) combines with oxygen in the presence of heat or a spark.

    • It releases heat, light, and various gases such as carbon dioxide, water vapor, and nitrogen oxides.

    • Fire can be beneficial (such as for cooking or heating) or destructive (such as in wildfires or house ...

  • Answered by AI
  • Q15. Types of fire
  • Ans. 

    There are four types of fire: Class A, Class B, Class C, and Class D.

    • Class A fires involve ordinary combustibles such as wood, paper, or cloth.

    • Class B fires involve flammable liquids or gases such as gasoline, oil, or propane.

    • Class C fires involve electrical equipment such as appliances, wiring, or circuit breakers.

    • Class D fires involve combustible metals such as magnesium, titanium, or sodium.

  • Answered by AI
  • Q16. Type of extinguisher
  • Ans. 

    There are different types of fire extinguishers for different types of fires.

    • Water extinguishers for Class A fires (wood, paper, cloth, etc.)

    • CO2 extinguishers for Class B and C fires (flammable liquids and electrical fires)

    • Dry chemical extinguishers for Class A, B, and C fires

    • Foam extinguishers for Class A and B fires

    • Wet chemical extinguishers for Class K fires (cooking oils and fats)

  • Answered by AI
  • Q17. Modes of heat transfer
  • Ans. 

    Modes of heat transfer include conduction, convection, and radiation.

    • Conduction is the transfer of heat through a material without any movement of the material itself.

    • Convection is the transfer of heat through the movement of fluids, such as air or water.

    • Radiation is the transfer of heat through electromagnetic waves, such as from the sun or a fire.

  • Answered by AI
  • Q18. How to prevent fire
  • Ans. 

    Preventing fire requires proper handling of flammable materials and regular maintenance of electrical equipment.

    • Store flammable materials in designated areas away from heat sources

    • Regularly inspect and maintain electrical equipment

    • Install smoke detectors and fire extinguishers in appropriate locations

    • Train employees on fire safety procedures and evacuation plans

  • Answered by AI
  • Q19. What is msds
  • Ans. 

    MSDS stands for Material Safety Data Sheet.

    • MSDS provides information about hazardous chemicals and substances.

    • It includes information about the physical and chemical properties of the substance, health hazards, precautions for safe handling and use, and emergency procedures.

    • MSDS is required by law for all hazardous chemicals and substances used in the workplace.

    • It is important to read and understand the MSDS before usi...

  • Answered by AI
  • Q20. How to do firefighting
  • Ans. 

    Firefighting involves identifying and extinguishing fires to prevent damage and loss of life.

    • Assess the situation and determine the type and size of fire

    • Use appropriate firefighting equipment such as fire extinguishers, hoses, and pumps

    • Follow safety protocols and wear protective gear

    • Coordinate with other firefighters and emergency responders

    • Evacuate people from the affected area

    • Monitor the situation and ensure the fire

  • Answered by AI
  • Q21. How to prevent the accident
  • Ans. 

    Prevent accidents by identifying potential hazards and implementing safety measures.

    • Conduct regular safety audits and risk assessments

    • Provide proper training and education to employees

    • Implement safety protocols and procedures

    • Use appropriate safety equipment and gear

    • Encourage a culture of safety and accountability

    • Regularly review and update safety policies and procedures

  • Answered by AI
  • Q22. How to investigate the accident
  • Ans. 

    To investigate an accident, follow a systematic approach involving data collection, analysis, and identification of root causes.

    • Gather all available information about the accident, including eyewitness accounts, photographs, and any relevant documents or records.

    • Conduct interviews with individuals involved in the accident to gather their perspectives and insights.

    • Examine the accident scene for physical evidence, such a...

  • Answered by AI
  • Q23. Emergency procedure
  • Q24. What is H2s
  • Ans. 

    H2S is a colorless, flammable, and toxic gas with a strong odor of rotten eggs.

    • H2S is commonly known as hydrogen sulfide.

    • It is produced naturally by the breakdown of organic matter and is found in natural gas, crude oil, and volcanic gases.

    • It is highly toxic and can cause respiratory failure, loss of consciousness, and even death.

    • H2S is used in various industries such as oil and gas, mining, and pulp and paper.

    • It is al...

  • Answered by AI
  • Q25. Properties of H2s
  • Ans. 

    H2S is a colorless, flammable, and toxic gas with a strong odor of rotten eggs.

    • H2S is highly flammable and can ignite easily

    • It is toxic and can cause respiratory failure

    • It has a distinctive odor of rotten eggs

    • H2S is used in the production of sulfuric acid and in the petroleum industry

  • Answered by AI
  • Q26. Hirerchy procedure
  • Q27. Permissible exposure limit of H2s,co,co2,methane
  • Ans. 

    Permissible exposure limits (PEL) are the maximum allowable concentrations of hazardous substances in the workplace.

    • H2S: PEL is 10 ppm (parts per million) over an 8-hour workday

    • CO: PEL is 50 ppm over an 8-hour workday

    • CO2: No specific PEL, but recommended exposure limit is 5,000 ppm over an 8-hour workday

    • Methane: No specific PEL, but recommended exposure limit is 1,000 ppm over an 8-hour workday

  • Answered by AI
  • Q28. Short term exposure limit of H2s
  • Ans. 

    Short term exposure limit (STEL) of H2S is 10 ppm.

    • STEL is the maximum concentration of a substance that a worker can be exposed to for a short period of time without suffering from immediate or long-term health effects.

    • The STEL for H2S is set at 10 ppm (parts per million) by OSHA (Occupational Safety and Health Administration).

    • Exposure to H2S at levels above the STEL can cause symptoms such as eye irritation, headache,...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep calm when you are giving the interview and first prepare the interview

I applied via Naukri.com and was interviewed before Nov 2019. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. Basics related to piperack design
  • Q2. Design parameters for steel structure
  • Ans. 

    Design parameters for steel structure

    • Load capacity and distribution

    • Material strength and durability

    • Environmental factors such as wind and seismic activity

    • Connection details and joint design

    • Fire resistance and protection measures

  • Answered by AI
  • Q3. Number of years exposure to staad
  • Ans. 

    I have 5 years of exposure to STAAD software.

    • I have used STAAD for various structural analysis and design projects.

    • I am proficient in using STAAD for modeling, analysis, and design of steel and concrete structures.

    • I have experience in using STAAD for seismic analysis and design of structures.

    • I have also used STAAD for foundation design and analysis.

    • I keep myself updated with the latest versions and features of STAAD so

  • Answered by AI
  • Q4. Grating design and deflection limits

Interview Preparation Tips

Interview preparation tips for other job seekers - Be positive & confident
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Sep 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 

(2 Questions)

  • Q1. Which column takes more load short or Long Column
  • Q2. What kind of pressures will impose on the water tank walls during seismic

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared with fundamentals
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I was interviewed before Jun 2021.

Round 1 - Technical 

(2 Questions)

  • Q1. Input output list the digital and analog signals from field instruments to control room via the single core and multicore cables via the junction boxes.
  • Q2. What is dca an# plc
  • Ans. 

    DCA and PLC are commonly used acronyms in the field of engineering.

    • DCA stands for Direct Current Amplifier, which is a device used to amplify direct current signals.

    • PLC stands for Programmable Logic Controller, which is a digital computer used for automation of electromechanical processes.

    • DCA and PLC are essential components in various engineering applications such as industrial automation and control systems.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn hard and work hard

Skills evaluated in this interview

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

Interview Questionnaire 

1 Question

  • Q1. Write the equation for dynamics and wave spectra equations. I do not remember questions as it is 3 years back.

Interview Preparation Tips

Interview preparation tips for other job seekers - This happened in Technip FMC Hyderabad, India. I hold 10 years experience. Interviewers don not know what to get from the candidates. The panel tried to prove within themselves that can ask difficult questions. The even entered to doctorate level questions which is not valid for performing job. Finally, I conclude that they performed some time-pass session.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
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 - One-on-one 

(2 Questions)

  • Q1. Based on the experiences and technical information provided in resume
  • Q2. Based on the standards mentioned in resume regarding oil and gas

Interview Preparation Tips

Interview preparation tips for other job seekers - Technipfmc is a one of good company to join , it will be tough for one who is good at work.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(1 Question)

  • Q1. PAST EXPERIENCE QUESTIONS

Interview Preparation Tips

Topics to prepare for L&T Energy Hydrocarbon Senior Engineer interview:
  • Piping
Interview preparation tips for other job seekers - GET DETAILS OF CODES AND STANDARDS YOU USED IN WORK
Interview experience
2
Poor
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Sep 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 

(2 Questions)

  • Q1. 1. Safety valve types and selection criteria 2. Thermowell Design concept 3. Diff. Pressure Type Flow meter concept and criteria 4. Cable construction details 5. Hook-Ups details
  • Q2. 1. Installation details 2. Flowmeter straigth lengths requirement

Interview Preparation Tips

Interview preparation tips for other job seekers - On which things you worked on , all basics and details things shall be clear.

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.
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Petrofac Interview FAQs

How many rounds are there in Petrofac Graduate Engineer interview?
Petrofac interview process usually has 3 rounds. The most common rounds in the Petrofac interview process are Resume Shortlist, Aptitude Test and Technical.
How to prepare for Petrofac Graduate Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Petrofac. The most common topics and skills that interviewers at Petrofac expect are 3D Modeling, Design, Equipment Layout, Piping Layout and Stress Analysis.
What are the top questions asked in Petrofac Graduate Engineer interview?

Some of the top questions asked at the Petrofac Graduate Engineer interview -

  1. What are different types of sensors used in oil and gas industri...read more
  2. What are level sensor, flow sensor, temperature sens...read more
  3. What do you know about Digital Electroni...read more

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Petrofac Graduate Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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Petrofac Graduate Engineer Salary
based on 5 salaries
₹5 L/yr - ₹8 L/yr
35% more than the average Graduate Engineer Salary in India
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