Aarti Industries Research Executive Interview Questions and Answers

Q1. Heat Exchanger, Distillation, Utilities.
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Q2. Material Balance distillation column
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Q3. Cooling tower types
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Cooling towers are used to remove heat from a building or industrial process by transferring it to the atmosphere.
• Cooling towers can be classified into two main types: natural draft and mechanical draft.

• Natural draft cooling towers use the stack effect to draw air through the tower, while mechanical draft cooling towers use fans to force air through the tower.

• Examples of cooling tower types include crossflow, counterfl
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Q4. Heat Exchanger Type
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Heat exchangers are devices used to transfer heat between two or more fluids.
• There are several types of heat exchangers, including shell and tube, plate, and finned tube heat exchangers.

• Shell and tube heat exchangers are commonly used in industrial applications, while plate heat exchangers are more compact and efficient.

• Finned tube heat exchangers are often used in HVAC systems to increase heat transfer efficiency.

• The ...read more
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Q5. Line sizing, pump sizing.
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Q1. Types of pump and application
Ans. 
There are various types of pumps used for different applications, such as centrifugal pumps for water supply and positive displacement pumps for oil and gas industry.
• Centrifugal pumps are commonly used for water supply, irrigation, and HVAC systems.

• Positive displacement pumps are used in the oil and gas industry for transferring viscous fluids.

• Diaphragm pumps are suitable for pumping chemicals and pharmaceuticals.

• Peris...read more
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Q2. Difference between distilation and evaporation
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Distillation is a process of separating components in a liquid mixture based on boiling points, while evaporation is a process of converting a liquid into vapor.
• Distillation involves heating a liquid mixture to separate components based on their boiling points.

• Evaporation involves converting a liquid into vapor by heating or exposing it to air.

• Distillation is used in industries to purify liquids like alcohol, while eva...read more
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Q1. Why change your previous company
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About family backgrounds and why are you interested for this company

Q1. All about technical knowledge and problem solving and safety
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Q1. Salary discussion and notice period
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Q1. My first technical round was taken telephonic bcoz of covid pandemic.
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Q2. 1.In previous organisation roles & responsibilities. 2.what is your contribution for previous organisation. 3. About Design knowledge
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Q1. Second round completed by face to face interview in Ranjitnagar location.
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Q2. 1.Distillation column design 2.Heat balance, material balance 3.IPDS,EPDS ,PDS 4.BASIC Chemical engineering concepts.
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Q1. Qualifications and past experience
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Q1. Basic engineering questions
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Q1. Personal Background, reason for change
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Q1. Interview based on your previous experience and some technical questions related to your field.
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Q2. What is your previous experience, which field you worked this type of questions
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Q1. Work permit and safety
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Q2. After interview if you are selected than salery discuss with HR
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