Plastiblends India Interview Questions and Answers

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Q1. What is role of chemical engineering in chemical industry
Ans. 
Chemical engineering plays a crucial role in the chemical industry by designing processes, optimizing production, and ensuring safety and efficiency.
• Designing and optimizing chemical processes for production

• Developing new materials and products

• Ensuring safety and environmental compliance

• Improving efficiency and reducing costs

• Troubleshooting and problem-solving in production

• Collaborating with other engineers and scienti
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Q2. What is distillation
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Distillation is a process used to separate components of a liquid mixture based on differences in boiling points.
• Distillation involves heating a 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, leaving behind components with higher boiling points.

• Common examples of distillation include the productio...read more
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Q3. What is unit operation
Ans. 
Unit operation is a basic step in a chemical process that involves a physical change or chemical transformation.
• Unit operations are individual steps in a chemical process that involve physical changes or chemical transformations.

• They are used to separate, purify, mix, heat, cool, or react chemicals or materials.

• Examples include distillation, filtration, crystallization, evaporation, and reaction.

• Unit operations are ess...read more
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Q4. What is vapour pressure
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Vapour pressure is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.
• Vapour pressure increases with temperature.

• It is a measure of a substance's tendency to evaporate.

• Higher vapour pressure indicates a more volatile substance.

• Vapour pressure is important in processes like distillation and evaporation.

• Examples include water boiling at 100°C a
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Q1. General information about previoy job role
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Q2. Qualification
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Q1. Practical work regular
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Q2. Computer work on weighbridge
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Q3. Computer basic knowledge
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Q4. Weighbridge work
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Q5. Company rules regulation
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Q1. Tell me about yourself
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Q2. Tell us about your project.
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Q3. If anything happens in the plant then what will you do.
Ans. 
I will immediately report the incident to my supervisor and follow the plant's emergency procedures.
• Notify my supervisor or plant manager

• Follow the plant's emergency procedures

• Ensure the safety of myself and others

• Document the incident for investigation purposes
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Q4. What is runway reaction.
Ans. 
Runway reaction refers to the immediate feedback or response received from the audience during a fashion show.
• Runway reaction can include applause, cheers, gasps, or even silence from the audience.

• Positive runway reactions indicate that the audience is impressed with the collection or a particular outfit.

• Negative runway reactions may suggest that the audience is not pleased with the designs or presentation.

• Runway react...read more
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Q5. All instruments used in a plant
Ans. 
Instruments used in a plant include pressure gauges, flow meters, temperature sensors, level indicators, and control valves.
• Pressure gauges

• Flow meters

• Temperature sensors

• Level indicators

• Control valves
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Q6. Distillation column design method?
Ans. 
Distillation column design involves determining the column height, diameter, and number of trays or packing based on desired separation efficiency and operating conditions.
• Consider the desired separation efficiency and operating conditions when determining column height and diameter.

• Choose between trays or packing based on the specific separation requirements and cost constraints.

• Use simulation software like Aspen Plus...read more
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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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