Nagarjuna Fertilizers and Chemicals Production Manager Interview Questions and Answers

Q1. What is relative volatility
Ans. 
Relative volatility is a measure of how easily a component in a mixture can be separated from other components through distillation.
• Relative volatility is calculated as the ratio of the vapor pressures of the two components being separated.

• It is used in distillation processes to determine the efficiency of separation.

• Higher relative volatility indicates easier separation of components.

• For example, in the separation of ...read more
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Q1. What is Distillation
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Distillation is a process of separating components of a liquid mixture based on differences in boiling points.
• Distillation involves heating the liquid mixture to create vapor, then cooling the vapor to condense it back into liquid form.

• The components with lower boiling points will vaporize first and be collected, while the components with higher boiling points will remain in liquid form.

• Examples of distillation include...read more
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Q2. Difference absorber Column and strippers column
Ans. 
Absorber column absorbs a gas into a liquid, while a stripper column removes a component from a liquid.
• Absorber column is used to absorb a gas into a liquid, while a stripper column is used to remove a component from a liquid.

• Absorber column operates at a higher pressure than the stripper column.

• Absorber column is used in processes like gas sweetening, while stripper column is used in processes like solvent recovery.

• Ex...read more
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Q1. No idea sir depending on our skills
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Q2. Are you fresher or any experience
Ans. 
I am a fresher with no prior experience in the field.
• I recently graduated with a degree in Chemistry and am eager to apply my knowledge in a professional setting.

• While I may not have direct experience in production chemistry, I have completed relevant coursework and projects during my studies.

• I am a quick learner and am confident in my ability to adapt to new challenges and responsibilities.
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STAR interview was difficult to understand the open ended questions

Q1. Chemistry based interview
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Q1. Chemistry and safety related question
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Q1. Mass transfer distillation
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Q2. Safety related questions
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Q1. Safety & process
Ans. PSM SAFETY MANAGEMENT PROCESS PARAMETERS UTILITY PARAMETERS
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Q2. LD50 defination
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Q3. Utility lines provided in the reactor it's pressure
Ans. 
The utility lines provided in the reactor are pressurized.
• Utility lines in the reactor are typically pressurized to ensure efficient flow of materials.

• Pressure in the utility lines is controlled and monitored to maintain optimal operation.

• Examples of utility lines in a reactor include steam lines, cooling water lines, and gas supply lines.
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Q4. Previous company process &how handling troubleshooting
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Q1. They shows the confidence level & your skill at the time of trouble shooting
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Q1. What is MSDS and it's important
Ans. 
MSDS stands for Material Safety Data Sheet. It is a document that provides information on the properties of chemicals, how to use them safely, and what to do in case of an emergency.
• MSDS includes information on chemical composition, physical and chemical properties, health hazards, first aid measures, and storage and disposal guidelines.

• It is important for ensuring the safe handling, use, and disposal of chemicals in t...read more
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Q2. Process safety and it's elements
Ans. 
Process safety involves identifying, evaluating, and controlling hazards to prevent accidents and ensure safe operations.
• Process safety focuses on preventing accidents and incidents in industrial processes

• Elements of process safety include hazard identification, risk assessment, and risk management

• Examples of process safety elements include process hazard analysis (PHA), safety instrumented systems (SIS), and emergency
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Q1. About Fertilizers demand, chemical reactions, uses of Fertilizers. Government subsidies, raw materials etc
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Q2. Family background and why you preferred this company
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