Offshore Infrastructures Process Engineer Interview Questions and Answers

Q1. Basic questions, most were of GATE level.
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Q1. Line sizing of the fluids.
Ans. 
Line sizing of fluids is crucial for efficient process operation and safety.
• Line sizing is determined based on the flow rate, pressure drop, and fluid properties.

• Proper line sizing ensures optimal flow velocity to prevent erosion and corrosion.

• Consider factors like viscosity, density, and temperature when sizing lines.

• Use industry standards and guidelines for accurate line sizing calculations.

• Examples: API 14E for oil ...read more
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Q2. Pumps and its types, cavitation.
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Pumps are devices used to move fluids. Types include centrifugal, positive displacement, and submersible. Cavitation is the formation of vapor bubbles in a liquid due to low pressure.
• Pumps are used to move fluids in various industrial processes.

• Types of pumps include centrifugal, positive displacement, and submersible.

• Cavitation occurs when the pressure in a liquid drops below its vapor pressure, leading to the formati...read more
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Q3. Internship and major project.
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Q1. Tell me about yourself?
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Q1. About the work experience
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Q2. Anout the projects
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Q1. P&ID, NPSH, Pump Hydraulics, DPDT
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Q2. Control Valve hydraulics
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Q1. Line sizing criteria
Ans. 
Line sizing criteria is based on factors like flow rate, pressure drop, velocity, and material compatibility.
• Consider the flow rate of the fluid being transported

• Calculate the pressure drop allowed in the system

• Determine the velocity of the fluid to prevent erosion or corrosion

• Ensure the material of the line is compatible with the fluid being transported
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Q1. Salary expectation
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Q1. Pump hydraulics
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Q2. API 650.620 standards
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Q3. Experience in oil and gas
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I have 5 years of experience working in the oil and gas industry, specifically in process engineering roles.
• Designed and optimized processes for oil and gas production

• Implemented safety measures to ensure compliance with industry regulations

• Worked on projects involving refining, transportation, and storage of oil and gas

• Collaborated with cross-functional teams to improve efficiency and reduce costs
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Q4. PSV sizing calculation
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Q1. About pass company achievements
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Q2. Salary negotiation
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Q1. Technical MCQ interview.Basic questions related to chemical engineering (mostly past year GATE questions) Easy-moderate level.
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Q1. Asked about pumps, line sizing, breather valve, M.tech project etc.
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Q1. Normal questions like about myself , hobbies and all.
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Study well in simple aptitude problems and basic core subjects. Then you will clear this exam easily

Q1. Tell me about yourself
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Q2. Explain about your intern
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Q3. Explain your project
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