Tata Power Solar Electrical Site Engineer Interview Questions and Answers

Q1. About Solar Project
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Q2. Seafty measure when you are doing installation work in Rooftop Project
Ans. 
Safety measures during installation work in a rooftop project
• Ensure proper training and certification for working at heights

• Use appropriate personal protective equipment (PPE) such as helmets, safety harnesses, and non-slip footwear

• Secure the work area with barriers or guardrails to prevent falls

• Inspect and maintain all equipment and tools regularly

• Follow electrical safety protocols and use insulated tools when working...read more
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Q1. Selary discussion
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Basic electrical questions, small problem solving

Q1. Technical knowledge of the candidate
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Q2. Expected meggar value of 33 Kv insulator
Ans. 
The expected meggar value of a 33 Kv insulator is typically above 1000 megaohms.
• The meggar value indicates the insulation resistance of the insulator.

• The expected value varies depending on the type and condition of the insulator.

• A value below 1000 megaohms indicates poor insulation and may require maintenance or replacement.

• Regular testing of insulators is important to ensure safety and prevent electrical failures.
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Q3. Works i have done and experienced
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Technical round and companys HR and higher authorities meet on a virtual interview and cross question on different topics

Q1. Expected salary and benefits provided by company
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Easy test with simple questions

Q1. How do solar panels produce electricity
Ans. 
Solar panels convert sunlight into electricity through the photovoltaic effect.
• Solar panels are made up of photovoltaic cells that contain semiconductors like silicon.

• When sunlight hits the solar panel, the photons in the light are absorbed by the semiconductors.

• This absorption creates an electric current as the electrons in the semiconductors are excited and flow through the material.

• The flow of electrons generates el...read more
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Q2. Tell us about the company
Ans. 
The company is a leading provider of electrical engineering solutions for various industries.
• Specializes in designing and implementing electrical systems for commercial and industrial buildings

• Offers services such as power distribution, lighting design, and energy efficiency consulting

• Works with clients in sectors like manufacturing, healthcare, and telecommunications

• Has a team of experienced electrical engineers and t...read more
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Basic electrical fundamentals

Q1. Experiences in solar plant operations and maintenance
Ans. 
I have extensive experience in solar plant operations and maintenance.
• Managed the operations and maintenance of a 50 MW solar plant for 3 years

• Developed and implemented preventive maintenance schedules to ensure optimal performance

• Performed regular inspections and troubleshooting to identify and resolve issues

• Coordinated with technicians and contractors for repairs and upgrades

• Implemented safety protocols and trained s...read more
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Q2. Problems solving and issue rectification and case studies
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Q3. Solar plant maintenance faults and rectification
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Q1. Detailed Drawing
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Q2. What is the unit weight of steel
Ans. 
The unit weight of steel is typically around 7850 kg/m^3.
• The unit weight of steel is commonly used in construction and engineering to calculate the weight of steel structures.

• The unit weight of steel is typically around 7850 kg/m^3, but can vary depending on the type of steel.

• For example, the unit weight of stainless steel is around 7480 kg/m^3, while the unit weight of carbon steel is around 7850 kg/m^3.
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Q1. Discuss about CTC
Ans. 
CTC stands for Cost to Company, which includes all expenses related to an employee's salary and benefits.
• CTC includes salary, bonuses, benefits, and any other perks provided by the company.

• It is the total amount of money a company spends on an employee in a year.

• CTC is different from take-home salary as it includes all expenses incurred by the company for the employee.

• Employer's contribution to PF, insurance, and other...read more
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Q1. Current Salary & Expected
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Q1. Current Project & Job Role
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Q1. Salary Negotiation
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