Oriental Aromatics Senior Operations Manager Interview Questions and Answers for Experienced

Q1. Explain about your current roles
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Q2. Detailed technical explanation of the Projects that I have worked with
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Q1. Pipe Sizing Calculation?
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Pipe sizing calculation involves determining the appropriate diameter of a pipe based on flow rate, pressure drop, and material properties.
• Calculate the required flow rate for the system

• Determine the pressure drop allowed in the system

• Consider the material properties of the pipe such as friction factor and roughness

• Use pipe sizing charts or formulas to find the appropriate diameter

• Ensure the selected pipe size meets th
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Q2. Corrosion allowance & some questions in ASME B31.3
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Q3. Reason for Job Change
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Basic aptitude question of gate and in technical go through gate 1 mark question

Q1. Reynold no. Details
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Q2. Shell and tube heat exchanger design
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Shell and tube heat exchanger design involves selecting appropriate materials, determining tube layout, and calculating heat transfer coefficients.
• Select appropriate materials based on fluid properties and operating conditions

• Determine tube layout to optimize heat transfer efficiency

• Calculate heat transfer coefficients to ensure proper heat exchange

• Consider factors like fouling, pressure drop, and thermal expansion in ...read more
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Q1. Basic information of your knowledge
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Q2. Your technical knowledge
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Q1. As a GET, you have to crack technical and apptitue test first.
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Q2. Second will be the technical interview.
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Q3. Third and final interview will be the interogation with HR head.
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Q1. Ask about previous company process and some basic technical questions
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Q1. Ask about family background
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Q1. How to find difference in Air and N2 in your plant
Ans. 
To find the difference in Air and N2 in a plant, analyze the composition and properties of each gas.
• Analyze the composition of Air (mainly nitrogen and oxygen) and N2 (pure nitrogen)

• Measure the concentration of each gas in the plant

• Consider the properties of each gas such as density, boiling point, and reactivity

• Use gas detection equipment to identify and quantify the presence of Air and N2
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Q2. Waste generation of your plant
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Our plant generates approximately 100 tons of waste per month.
• We have implemented waste reduction strategies to minimize our environmental impact.

• We segregate waste into different categories for proper disposal and recycling.

• Regular waste audits are conducted to track and analyze our waste generation.

• Examples: paper waste, plastic waste, organic waste, hazardous waste
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Q3. Difference Between Hazop and Hira
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HAZOP focuses on identifying potential hazards in a process, while HIRA assesses risks associated with those hazards.
• HAZOP stands for Hazard and Operability Study, which is a structured technique used to identify potential hazards in a process plant.

• HIRA stands for Hazard Identification and Risk Assessment, which involves assessing the risks associated with identified hazards.

• HAZOP is more focused on identifying specif...read more
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