Petrofac Workman/Foreman/Technician Interview Questions and Answers

Q1. Because I am EX employees with this company.
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Q2. When you are joining this project
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Q3. I am ready to join Immediately.
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Q1. Technical Questions.
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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...read more
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Q2. They are always checking with my look ahead scheduler
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APTITUDE+TECHNICAL- ELECTRICAL CORE

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
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Q1. Design, fluid, basic subjects
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Q1. Basic hr questions like tell me about the company
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Quantitative aptitude , Logical reasoning

Non elimination round, 7 persons were there

Q1. Questions related to Heat exchanger, Strength of material, Fluid Mechanics, Pumps
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Q1. Introduction , Strength
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Q2. Do you have a experience in Public Speaking, Questions on extra curricular
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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
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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
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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
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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.
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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
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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 ...read more
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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 ...read more
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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...read more
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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
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Q10. What is your final year project ? Asked in deep
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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...read more
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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...read more
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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.
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