Refex Energy Junior Accountant & Admin Interview Questions and Answers

Q1. What is electroplating
Ans. 
Electroplating is a process of depositing a thin layer of metal onto a conductive surface using an electric current.
• Involves immersing the object to be plated in a solution containing metal ions

• Passing an electric current through the solution causes the metal ions to be deposited onto the object

• Commonly used for decorative purposes, corrosion resistance, and improving conductivity

• Examples include chrome plating on car ...read more
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Q1. About the projects that I did in past organization and how did I use python and sql in that.
Ans. 
In my previous role, I utilized Python and SQL for data analysis, visualization, and reporting to drive business insights.
• Used Python libraries like Pandas and NumPy for data manipulation and cleaning, ensuring data integrity.

• Developed SQL queries to extract and aggregate data from relational databases, enabling efficient reporting.

• Created visualizations using Matplotlib and Seaborn in Python to present findings to sta...read more
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Q2. Technical knowledge about the green hydrogen sector (very basic)
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Interview questions to be asked

Q1. What is overall experience?
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Q2. How do you rate overall company culture?
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Q1. Tell more about product
Ans. 
Our product is a cutting-edge software solution designed to streamline operations and increase efficiency.
• Utilizes advanced algorithms to optimize processes

• Integrates seamlessly with existing systems

• Provides real-time analytics for informed decision-making
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Q2. How does it work?
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Q1. Topologies on which you worked
Ans. 
I have worked on various network topologies including star, bus, ring, mesh, and hybrid.
• Star topology: centralized network with all nodes connected to a central hub

• Bus topology: all nodes connected to a single cable

• Ring topology: each node connected to exactly two other nodes forming a ring

• Mesh topology: every node connected to every other node

• Hybrid topology: combination of two or more different topologies
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Q2. Power loss calculations, Dead time selection
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Q1. Strss vs strain curve of mild steel
Ans. 
Stress vs strain curve of mild steel shows linear elastic region, yield point, ultimate tensile strength, and fracture point.
• Mild steel exhibits linear elastic behavior up to the yield point.

• After the yield point, plastic deformation occurs until the ultimate tensile strength is reached.

• Fracture of mild steel typically occurs after the ultimate tensile strength.

• The curve shows the relationship between stress (force app...read more
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Q1. What is your level of experience in the particular department?
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Q2. What is your knowledge base?
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I possess a diverse knowledge base in management, operations, and team leadership, complemented by industry-specific insights.
• Strong understanding of project management principles, demonstrated by successfully leading a cross-functional team to complete a project ahead of schedule.

• Proficient in data analysis and reporting, utilizing tools like Excel and Tableau to drive informed decision-making.

• Experience in budget man...read more
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Q1. Do you have knowledge of Microsoft Office?
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Q2. How do you draft an email to share with a specific person?
Ans. 
Drafting an email involves clarity, professionalism, and a clear purpose to effectively communicate with the recipient.
• Use a clear subject line, e.g., 'Meeting Request for Project Update'.

• Start with a polite greeting, e.g., 'Dear [Recipient's Name],'.

• State the purpose of the email in the opening lines, e.g., 'I hope this message finds you well. I am writing to discuss...'.

• Be concise and to the point, providing necessar...read more
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Q1. Boiler MFT, furnace purge Permissive, APH pa, sa and flue gas ratio, boiler losses etc.
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Q2. Working drum elements system
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A working drum elements system is a mechanism that allows for the efficient and effective movement of drums.
• The system should be designed to handle drums of various sizes and weights

• It should include components such as rollers, conveyors, and lifters

• The system should be automated to reduce manual labor and increase productivity

• Regular maintenance and inspections are necessary to ensure the system is functioning properl...read more
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Q1. Briefly explain overhauling of PA fan from dismantling to assembling process.
Ans. 
Overhauling a PA fan involves systematic dismantling, inspection, repair, and reassembly to ensure optimal performance.
• 1. Dismantling: Carefully remove the fan from its mounting, ensuring all electrical connections are safely disconnected.

• 2. Inspection: Check all components for wear and tear, including bearings, blades, and motor.

• 3. Cleaning: Thoroughly clean all parts to remove dust and debris that could affect perfor...read more
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Q2. Coal mill PM maintenance activities and there checks.
Ans. 
Effective maintenance of coal mill PM ensures optimal performance and longevity of equipment.
• Regular inspection of bearings and lubrication systems to prevent wear and tear.

• Monitoring vibration levels to detect misalignment or imbalance in the mill.

• Checking the condition of grinding elements, such as rollers and tables, for wear.

• Ensuring proper calibration of the mill's control systems for efficient operation.

• Conductin...read more
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Q3. Parts discription of PA fan rotor servicing.
Ans. 
Servicing a PA fan rotor involves inspection, cleaning, and replacement of key components to ensure optimal performance.
• Inspect rotor blades for wear and damage, ensuring they are free from cracks.

• Clean the rotor assembly to remove dust and debris that can affect performance.

• Check the bearings for lubrication and signs of wear; replace if necessary.

• Examine the rotor shaft for straightness and any signs of corrosion.

• Ens...read more
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