DIAMINES AND CHEMICALS Interview Questions and Answers

Aptitude test with analytical skills required

Q1. What is distillation
Ans. 
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 collect the separated components.

• The component with the lower boiling point will vaporize first and be collected, leaving behind the component with the higher boiling point.

• Examples of distillation include the separation...read more
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Q2. Where we use vacuum distillation
Ans. 
Vacuum distillation is used in industries such as petrochemical, pharmaceutical, and food processing to separate components with high boiling points.
• Used in petrochemical industry to separate high boiling point components like lubricating oils and waxes

• Utilized in pharmaceutical industry to purify chemicals and separate compounds with similar boiling points

• Commonly used in food processing to extract flavors and fragran...read more
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Q3. What is adsorption
Ans. 
Adsorption is the process in which molecules or particles adhere to the surface of a solid or liquid material.
• Adsorption involves the accumulation of molecules or particles on the surface of a material.

• It is a surface phenomenon, different from absorption where a substance is taken into the bulk of another material.

• Examples include the adsorption of pollutants onto activated carbon in water treatment processes.
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Q4. What are different types of separation methods
Ans. 
Different types of separation methods include filtration, distillation, chromatography, and centrifugation.
• Filtration: Separates solids from liquids or gases using a porous material.

• Distillation: Separates components based on differences in boiling points.

• Chromatography: Separates components based on their affinity for a stationary phase.

• Centrifugation: Separates components based on differences in density and size.
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Q5. What projects have you done in M.Tech
Ans. 
I have worked on projects related to machine learning, data analysis, and optimization algorithms during my M.Tech.
• Developed a machine learning model to predict customer churn in a telecom company

• Implemented data analysis techniques to identify patterns in stock market data

• Optimized scheduling algorithms for a manufacturing plant to minimize downtime
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Q1. Person should have excellent knowledge about the document.
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Q2. Identify the documents and send them to the concerned department for review and information.
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Q1. How to reclaim Career growth
Ans. 
To reclaim career growth, one must set clear goals, seek new opportunities, continuously learn and develop skills, network, and seek mentorship.
• Set clear career goals to have a direction to work towards

• Seek new opportunities within current organization or externally

• Continuously learn and develop new skills to stay relevant in the industry

• Network with professionals in the field to expand opportunities

• Seek mentorship fro...read more
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Q2. How much financial benefits to be negotiated
Ans. 
Financial benefits should be negotiated based on the candidate's qualifications, experience, industry standards, and company budget.
• Consider the candidate's qualifications and experience when determining financial benefits.

• Research industry standards to ensure the offer is competitive.

• Take into account the company's budget and financial constraints.

• Negotiate benefits such as salary, bonuses, stock options, and other pe...read more
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Job responsibilities

Q1. Salary and perks
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Q2. Career growth speed
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Q1. About what is DCS & it's working function??
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Q2. Unit operation & process related questions??
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Q3. What is uses of chemical engineering in plant's.
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Q4. Safety related many questions?
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Q5. Troubleshooting related which is attending by me and teams
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Q1. What is specification of my plants and its standard.
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Q2. 5S , TQM, WCM related questions.
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Q3. Working flow diagram of my current plants and its problems
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Q1. How much Experience
Ans. 
I have 10 years of experience in software engineering, specializing in backend development and system architecture.
• 10 years of experience in software engineering

• Specialize in backend development and system architecture

• Worked on projects involving scalability and performance optimization
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Q2. Do you have any supervisor license
Ans. 
No, I do not have a supervisor license.
• I do not possess a supervisor license at the moment.

• I have not pursued obtaining a supervisor license in my career.

• My focus has been on technical expertise rather than supervisory roles.
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Q1. How to test of motors
Ans. 
Testing of motors involves various methods to ensure functionality and performance.
• Performing insulation resistance tests to check for any electrical faults

• Conducting load tests to measure the motor's performance under different conditions

• Checking for abnormal noise or vibrations during operation

• Inspecting the motor for any physical damage or wear

• Using thermography to detect overheating issues
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Q2. What is transformer safety relay's
Ans. 
Transformer safety relays are devices used to protect transformers from faults and overloads.
• Transformer safety relays monitor the electrical parameters of a transformer, such as current, voltage, and temperature.

• They can trip the transformer offline in case of a fault to prevent damage.

• Some common types of transformer safety relays include overcurrent relays, differential relays, and temperature relays.
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