Navin Fluorine International Executive Interview Questions and Answers for Experienced

Q1. Types of fire. Basic safety questions. Calculation of cooling tower.
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Q1. Basic question about previous experience
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Q1. Types of pump and application
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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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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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Difficult test

Great topic for discussion

Q1. Describe yourself in 5 minutes
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Q2. Where do you see yourself in 5 years
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