Aarti Industries Junior Executive Interview Questions and Answers

Technical knowledge

Q1. General knowledge
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Q2. Technical knowledge
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Q3. Face to face interview
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Q4. Plant visit, in plant training
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Q5. Plant startup and shutdown procedure
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Plant startup and shutdown procedure involves a series of steps to ensure safe and efficient operation.
• Before starting up the plant, conduct a thorough inspection of equipment and systems.

• Ensure all necessary permits and clearances are obtained before startup.

• Follow a specific sequence for starting up different units or sections of the plant.

• Monitor and adjust process parameters during startup to ensure smooth operatio...read more
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Q6. Triple shuting in the plant
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Triple shutting in the plant refers to the process of shutting down three major components simultaneously for maintenance or safety reasons.
• Triple shutting involves shutting down three critical components in the plant at the same time.

• It is usually done for maintenance, repair, or safety purposes.

• Examples of components that may undergo triple shutting include boilers, turbines, and generators.

• During triple shutting, al...read more
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Q7. Power Tripp action
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Q8. Equipment LLF, working condition
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Q9. Worked for safety and environment
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Q10. Good salary increment
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Q1. How do you growth?
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Q1. About Dol starter.
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Q2. About Star delta starter
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Q3. Transformers working principle
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Transformers work on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.
• Transformers have two coils of wire, known as primary and secondary coils, which are wound around a core made of ferromagnetic material.

• When an alternating current flows through the primary coil, it creates a changing magnetic field around the coil.

• This changing magnetic field induces a voltage in ...read more
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Q4. Transformers cooling method
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Transformers are cooled using methods such as oil cooling, air cooling, and water cooling.
• Oil cooling: Transformers are immersed in oil to dissipate heat generated during operation.

• Air cooling: Fans are used to circulate air around the transformer to cool it down.

• Water cooling: Water is circulated around the transformer to absorb heat and cool it.

• Forced oil cooling: Oil is circulated through a heat exchanger to remove
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Q5. Overload protection relays
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Q1. P&id preparation and pump sizing
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Q2. Distillation column and heat exchanger design
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Distillation column and heat exchanger design
• Distillation column design involves determining the number of trays, column diameter, and height

• Heat exchanger design involves selecting the appropriate type of exchanger, sizing the heat transfer area, and determining the heat transfer coefficient

• Factors to consider in both designs include the properties of the fluids being processed, flow rates, and pressure drop

• Computer s...read more
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