Energy Mission Machineries CNC Programmer Interview Questions and Answers for Experienced

10th level question with answers

About our work experience

Q1. Salary discussions
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Q1. About solar technical
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Q2. About communication skills
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Q3. About your knowledge
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Q1. About work culture
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Q2. About technical
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Q1. Related to Transformer
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Q1. Can you tell me about yourself?
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Q2. What are your responsibilities in the plant?
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As a Senior Engineer in the plant, my responsibilities include overseeing operations, managing projects, ensuring compliance with regulations, and leading a team of engineers.
• Overseeing day-to-day operations in the plant

• Managing projects related to plant upgrades or expansions

• Ensuring compliance with safety and environmental regulations

• Leading and mentoring a team of engineers

• Troubleshooting technical issues and implem
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Q3. Why is tan delta testing conducted in power transformers?
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Tan delta testing is conducted in power transformers to assess the insulation condition and detect any potential faults.
• Tan delta testing helps in evaluating the insulation quality of power transformers.

• It can detect any potential issues such as moisture, contamination, or aging of insulation materials.

• By measuring the tan delta value, engineers can assess the dielectric losses in the transformer.

• Regular tan delta test...read more
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Q4. What is a vector group?
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A vector group is a method used to represent the phase relationship between the primary and secondary windings of a transformer.
• Vector group indicates the connection of transformer windings and the phase shift between them.

• It is represented by a combination of letters and numbers, such as Yd1, Dyn11, etc.

• Different vector groups have different phase relationships, affecting the transformer's performance and operation.

• Ve...read more
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Q5. What should be considered when erecting an IDT (Inverter duty Transformer)?
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Considerations when erecting an IDT (Inverter duty Transformer)
• Ensure the transformer is designed for inverter duty applications

• Properly size the transformer based on the inverter's output power

• Consider the harmonic content of the inverter's output when selecting the transformer

• Provide adequate ventilation and cooling for the transformer to handle the increased heat generated by the inverter

• Ensure proper grounding and ...read more
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Q6. What is the star-delta connection in power transformers?
Ans. 
Star-delta connection is a method used in power transformers to reduce starting current and improve efficiency.
• Star-delta connection involves connecting the primary windings of the transformer in a star configuration during starting, and then switching to a delta configuration during normal operation.

• This method helps in reducing the starting current drawn by the transformer, which is beneficial for the power system.

• It...read more
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Q7. What types of conductors are used in high-tension (HT) lines, and what are their current capacities?
Ans. 
High-tension (HT) lines use different types of conductors with varying current capacities.
• Types of conductors used in HT lines include aluminum, steel, and composite materials

• Aluminum conductors are commonly used due to their lightweight and high conductivity

• Steel conductors are used for their strength and durability

• Composite conductors are a newer technology that offer a balance of strength and conductivity

• Current cap...read more
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Q8. What is the distance between poles in 33KV high tension lines?
Ans. 
The distance between poles in 33KV high tension lines is typically around 50-60 meters.
• The distance between poles in high tension lines is determined by factors such as terrain, voltage level, and local regulations.

• In general, the distance can range from 50 to 60 meters for 33KV high tension lines.

• This distance is important to ensure proper support and insulation of the conductors between poles.
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Q9. What is the process of laying LT cables?
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The process of laying LT cables involves planning, trenching, laying the cables, jointing, testing, and backfilling.
• Plan the route and depth of the trench for laying the cables.

• Excavate the trench to the required depth and width.

• Lay the cables in the trench, ensuring proper alignment and support.

• Joint the cables together using appropriate connectors.

• Test the cables for continuity and insulation resistance.

• Backfill the ...read more
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Q10. What is the process for attaching modules?
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The process for attaching modules involves identifying connection points, aligning the modules, securing them in place, and testing for functionality.
• Identify connection points on both modules

• Align the modules properly to ensure a secure fit

• Secure the modules in place using appropriate fasteners or connectors

• Test the functionality of the attached modules to ensure proper connection
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Q1. Why do you want to change jobs?
Ans. 
Seeking new challenges and opportunities for growth in a more innovative environment.
• Desire for new challenges and opportunities

• Seeking growth and advancement

• Looking for a more innovative work environment
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Q2. What can you share about your family?
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I come from a close-knit family of four, including my parents and younger sister.
• My parents have always been supportive of my career choices and encouraged me to pursue my passion for engineering.

• I have a younger sister who is currently studying computer science at university, following in my footsteps.

• We enjoy spending quality time together, whether it's going on family vacations or simply having dinner at home.
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