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Petrofac Senior Process Engineer Interview Questions and Answers

Updated 7 Aug 2023

Petrofac Senior Process Engineer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Jul 2023. There were 3 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 

(1 Question)

  • Q1. Pressure drop criteria for liduiq and vapor phase for hydraulic calculation.
  • Ans. 

    Pressure drop criteria for liquid and vapor phases are essential for accurate hydraulic calculations.

    • Pressure drop criteria for liquid phase typically range from 0.5-2 psi per 100 feet of pipe length.

    • Pressure drop criteria for vapor phase can vary depending on the specific application and design parameters.

    • Factors such as flow rate, pipe diameter, fluid properties, and equipment specifications must be considered when d...

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Why you are changing job ?

Interview Preparation Tips

Topics to prepare for Petrofac Senior Process Engineer interview:
  • Hydraulic Calculations
  • Line Sizing
  • PSV Sizing
  • P&ID
  • PFD
  • HAZOP
Interview preparation tips for other job seekers - Read your resume properly and make sure that u know everything whatever you have written in your CV.

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

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
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 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.
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

I applied via Walk-in and was interviewed before Apr 2020. There was 1 interview round.

Interview Questionnaire 

6 Questions

  • Q1. Can you explain Man day
  • Q2. Can you explain manpower mobilization.
  • Ans. 

    Manpower mobilization refers to the process of deploying and managing personnel for a specific project or task.

    • Identifying the required personnel for a project

    • Recruiting and hiring personnel

    • Training and orienting personnel to the project

    • Assigning roles and responsibilities to personnel

    • Managing personnel performance and productivity

    • Ensuring compliance with labor laws and regulations

    • Examples include mobilizing a construc...

  • Answered by AI
  • Q3. How to cost control in project
  • Ans. 

    Cost control in project can be achieved through effective planning, monitoring and controlling of project expenses.

    • Create a detailed project budget and stick to it

    • Track expenses regularly and adjust budget as needed

    • Identify and eliminate unnecessary expenses

    • Negotiate with vendors for better pricing

    • Implement cost-saving measures without compromising quality

    • Use project management tools to monitor expenses and progress

    • Reg...

  • Answered by AI
  • Q4. Can you explain how to handle clinent
  • Ans. 

    Handling clients requires effective communication, understanding their needs, and providing timely solutions.

    • Listen actively to their concerns and requirements

    • Communicate clearly and professionally

    • Provide timely updates and solutions

    • Build a strong relationship based on trust and respect

    • Be proactive in identifying and addressing potential issues

    • Ensure customer satisfaction by going above and beyond expectations

  • Answered by AI
  • Q5. Flow chart for manpower mobilization
  • Ans. 

    Manpower mobilization flow chart involves identifying needs, planning, recruitment, training, and deployment.

    • Identify the need for manpower

    • Plan the recruitment process

    • Source and screen candidates

    • Conduct interviews and assessments

    • Select and hire candidates

    • Provide training and orientation

    • Deploy manpower to required locations

  • Answered by AI
  • Q6. Prepared organisation chat for project handling

Interview Preparation Tips

Interview preparation tips for other job seekers - Please see all questions

I applied via Company Website and was interviewed in Dec 2020. There were 3 interview rounds.

Interview Questionnaire 

7 Questions

  • Q1. Pump hydraulics
  • Q2. PSV
  • Q3. Line sizing
  • Q4. KOD sizing
  • Q5. P&ID
  • Q6. IPDS
  • Q7. Process datasheets

Interview Preparation Tips

Interview preparation tips for other job seekers - Technical interview is very strong.
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 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

Petrofac Interview FAQs

How many rounds are there in Petrofac Senior Process Engineer interview?
Petrofac interview process usually has 3 rounds. The most common rounds in the Petrofac interview process are Technical, HR and Resume Shortlist.
How to prepare for Petrofac Senior Process 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 P&ID, HTRI, HySYS, PFD and Process Engineering.

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Petrofac Senior Process Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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Petrofac Senior Process Engineer Salary
based on 22 salaries
₹11.5 L/yr - ₹30.5 L/yr
58% more than the average Senior Process Engineer Salary in India
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Petrofac Senior Process Engineer Reviews and Ratings

based on 3 reviews

4.0/5

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4.0

Skill development

2.9

Work-life balance

3.0

Salary

3.0

Job security

3.0

Company culture

4.0

Promotions

4.0

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