Navin Fluorine International DPT.Manager Interview Questions, Process, and Tips

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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Very easy question but time is not more.

1st Introduction.
2nd Project
3rd Favourite Subject
4th Technical Questions
5th General knowledge
6th Hr round

I am selected in 1st round ,so 2nd time Interview for Technical + Hr

Q1. Experience related & other basic chemical knowledge
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Q1. Experience wise salary discussion
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Q1. Drow a P&ID of plant
Ans. 
A P&ID is a diagram that shows the interconnection of process equipment and the instrumentation used to control the process.
• Identify the major equipment and their interconnections

• Include all the valves, pumps, tanks, and other process equipment

• Show the flow of materials and energy through the system

• Indicate the control loops and instrumentation used to monitor and control the process

• Use standard symbols and abbreviatio...read more
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Q1. Heat Exchanger, Distillation, Utilities.
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Q2. Material Balance distillation column
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Q3. Cooling tower types
Ans. 
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
Ans. 
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. What is lean 6sigma
Ans. 
Lean 6sigma is a methodology that combines lean manufacturing principles with Six Sigma techniques to improve efficiency and quality.
• Combines lean manufacturing principles with Six Sigma techniques

• Focuses on eliminating waste and reducing variation in processes

• Uses tools like value stream mapping, 5S, DMAIC, and statistical analysis

• Aims to improve efficiency, quality, and customer satisfaction

• Example: Implementing lean...read more
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Q1. Technical question
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Q1. Salary discussion
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Q1. Work experience
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