Nayara Energy Senior Manager Interview Questions and Answers

Q1. Introduction and Why interested to join HPL
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Q1. Based on experience and basic Chemical Engineering concepts
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Q1. What is cavitation in centrifugal pump? How do you mean by NPSH?
Ans. 
Cavitation is the formation of vapor bubbles in a centrifugal pump due to low pressure. NPSH stands for Net Positive Suction Head.
• Cavitation occurs when the pressure at the pump inlet drops below the vapor pressure of the liquid, causing the formation of vapor bubbles.

• These vapor bubbles collapse when they reach higher pressure areas, leading to damage to the pump impeller and reduced pump performance.

• Cavitation can be...read more
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Q2. What is surging? How do you manage lubrication in different rotating equipment?
Ans. 
Surging is a phenomenon in rotating equipment where the flow rate becomes unstable.
• Surging occurs when the flow rate through a rotating equipment fluctuates due to changes in operating conditions.

• It can lead to reduced efficiency, increased wear and tear, and potential damage to the equipment.

• To manage lubrication in different rotating equipment, it is important to monitor and control the flow rate, viscosity, and temp...read more
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50 Technical questions

Q1. Favourite three subjects
Ans. 
My favourite three subjects are Mathematics, Economics and Psychology.
• I enjoy solving complex problems and equations in Mathematics.

• Economics fascinates me as it helps me understand how the world works.

• Psychology intrigues me as it helps me understand human behaviour and thought processes.
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Q2. Basic chemistry like Charls and Boyles Law
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Q1. Why you come in HPL?
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Q1. Plant tank farm and utility
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Q2. Tell about PSA cycle
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Q1. They ask about your questions on the ongoing experience.
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Q2. Knowledge about Process safety
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Q1. What you have experienced in last project
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Q1. Tell me about process
Ans. 
Process refers to a series of actions or steps taken to achieve a particular goal or outcome.
• Process involves breaking down tasks into smaller steps

• It often includes defining roles and responsibilities

• Monitoring progress and making adjustments as needed

• Examples: project management process, manufacturing process
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Q1. Why should we hire you.?
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About job profile, key interest on jobs, new challenges