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Tata Power Solar

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30+ E3 Group Interview Questions and Answers

Updated 25 Aug 2024

Q1. Types of PTW? Who are the issuer,user?

Ans.

Permit to Work (PTW) is a system used to control high-risk activities in the workplace.

  • There are various types of PTW, including hot work permits, confined space permits, electrical work permits, etc.

  • The issuer of the PTW is usually the authorized person responsible for overseeing the activity and ensuring safety measures are in place.

  • The user of the PTW is the individual or team who will be carrying out the high-risk activity.

  • Examples of issuers can be HSE officers, supervis...read more

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Q2. How many types of transformer testing

Ans.

There are several types of transformer testing including routine, type, special, and field testing.

  • Routine testing is done during the manufacturing process to ensure the transformer meets standard specifications.

  • Type testing is done on a sample transformer to ensure it meets specific requirements before being put into service.

  • Special testing is done on transformers that have been in service for a long time or have undergone repairs or modifications.

  • Field testing is done on tr...read more

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Q3. What is Voc and what is vector group

Ans.

Voc is the open circuit voltage of a transformer. Vector group is the arrangement of transformer windings.

  • Voc is the voltage measured across the terminals of a transformer when there is no load connected to it.

  • Vector group is a code that describes the arrangement of the windings in a three-phase transformer.

  • Vector group determines the phase displacement between the primary and secondary windings.

  • Vector group is important for connecting transformers in parallel and for determi...read more

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Q4. What is PTW, HIRA & JSA?

Ans.

PTW stands for Permit to Work, HIRA stands for Hazard Identification and Risk Assessment, and JSA stands for Job Safety Analysis.

  • PTW is a formal written system used to control certain types of work that are potentially hazardous.

  • HIRA is a process of identifying potential hazards and analyzing and evaluating the associated risks.

  • JSA is a process of identifying potential hazards associated with a specific job or task and developing measures to control those hazards.

  • All three ar...read more

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Q5. Difference between induction & toolbox talk?

Ans.

Induction is a comprehensive introduction to the workplace, while toolbox talk is a brief safety meeting.

  • Induction covers all aspects of the workplace, including policies, procedures, and emergency protocols.

  • Toolbox talk is a short meeting that focuses on a specific safety topic or hazard.

  • Induction is usually given to new employees, while toolbox talk is given to all employees on a regular basis.

  • Induction is more formal and structured, while toolbox talk is more informal and ...read more

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Q6. Do you know what kind of work in tata power solar? differentiate electrical and electronics. Diode questions

Ans.

Tata Power Solar is a company that specializes in solar energy solutions. Electrical and electronics differ in their focus and applications.

  • Tata Power Solar is involved in the manufacturing and installation of solar panels and related equipment.

  • Electrical engineering deals with the study and application of electricity, including power generation, transmission, and distribution.

  • Electronics engineering focuses on the design and development of electronic circuits and devices, su...read more

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Q7. Torque value of M20 bolt condition dry and grad 9.2

Ans.

The torque value of an M20 bolt in dry condition and grade 9.2 is typically around 420 Nm.

  • The torque value for a specific bolt can vary based on factors such as lubrication, thread condition, and material composition.

  • For an M20 bolt with grade 9.2, the recommended torque value is usually in the range of 400-450 Nm.

  • It is important to consult the manufacturer's specifications or a torque chart for the exact value based on the specific conditions.

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Q8. What safety measures do you take while loading & unloading?

Ans.

We ensure proper training, use of safety equipment, clear communication, and adherence to protocols.

  • All staff receive training on safe loading & unloading procedures

  • Use of appropriate safety equipment such as gloves, helmets, and safety vests

  • Clear communication between team members to avoid accidents

  • Adherence to established protocols and guidelines for loading & unloading

  • Regular maintenance and inspection of equipment to ensure safety

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Q9. What is the movement type of GRIN?

Ans.

Movement type of GRIN is Goods Receipt for Inbound Delivery

  • GRIN is used to record the receipt of goods from a vendor

  • It is typically used in warehouse management systems

  • GRIN updates the stock quantity in the system

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Q10. How many types of SCB

Ans.

There are multiple types of SCB depending on the context.

  • SCB can refer to Single Circuit Board or Single Chip Board in electronics.

  • In finance, SCB can refer to Standard Chartered Bank.

  • In medicine, SCB can refer to Subcutaneous Bleeding or Spinal Cord Blood.

  • There may be other contexts where SCB has different meanings.

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Q11. Present job riliving reason

Ans.

I am looking for a new job opportunity that allows me to further develop my skills and knowledge in instrumentation technology.

  • Seeking a position with more growth potential

  • Interested in working with advanced instrumentation equipment

  • Want to expand my knowledge in calibration and troubleshooting

  • Desire to work in a team-oriented environment

  • Looking for a company that values professional development

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Q12. How many Types of bearing

Ans.

There are several types of bearings used in various applications, including ball bearings, roller bearings, plain bearings, and fluid bearings.

  • Ball bearings

  • Roller bearings

  • Plain bearings

  • Fluid bearings

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Q13. Tell me how to make GRIN

Ans.

To make GRIN, mix ground ginger, rice flour, and icing sugar.

  • Mix ground ginger, rice flour, and icing sugar in a bowl.

  • Adjust the quantities of each ingredient to achieve the desired taste and consistency.

  • Store the GRIN mixture in an airtight container to maintain freshness.

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Q14. What is the role of a store executive?

Ans.

A store executive is responsible for overseeing the daily operations of a retail store, including managing staff, inventory, and customer service.

  • Managing staff by hiring, training, and scheduling employees

  • Monitoring and maintaining inventory levels

  • Ensuring excellent customer service and resolving any customer complaints

  • Analyzing sales data and implementing strategies to increase revenue

  • Collaborating with other departments such as marketing and merchandising

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Q15. Control of machines

Ans.

Control of machines involves ensuring they operate within specified parameters to produce quality products.

  • Implementing control systems to monitor and adjust machine settings

  • Regular maintenance and calibration of machines to prevent deviations

  • Training operators on proper machine operation and troubleshooting

  • Utilizing statistical process control techniques to analyze machine performance

  • Implementing automation to improve consistency and reduce human error

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Q16. What is calibration

Ans.

Calibration is the process of comparing measurements of an instrument or device to a known standard to ensure accuracy.

  • Calibration involves adjusting the instrument or device to align with the standard

  • It is important for maintaining accuracy and reliability of measurements

  • Calibration is typically done regularly to ensure consistent performance

  • Examples include calibrating thermometers, scales, and pressure gauges

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Q17. How to gain new technical knowledge

Ans.

Gain new technical knowledge through continuous learning, networking, hands-on experience, and staying updated with industry trends.

  • Enroll in online courses, workshops, and seminars related to your field.

  • Attend conferences, webinars, and meetups to network with professionals and learn about the latest technologies.

  • Read books, research papers, and technical blogs to stay informed about industry trends.

  • Participate in hands-on projects, hackathons, and coding challenges to apply...read more

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Q18. How to sales solar project?

Ans.

Sales of solar projects can be achieved through effective marketing, networking, and showcasing the benefits of solar energy.

  • Develop a strong marketing strategy to reach potential clients

  • Attend industry events and conferences to network with potential clients and partners

  • Highlight the financial benefits of solar energy, such as cost savings and tax incentives

  • Emphasize the environmental benefits of solar energy, such as reducing carbon emissions

  • Provide case studies and testimo...read more

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Q19. What is jsa

Ans.

JSA stands for Job Safety Analysis. It is a process of identifying potential hazards and risks associated with a particular job or task.

  • JSA involves breaking down a job into individual steps

  • Each step is analyzed to identify potential hazards and risks

  • Preventive measures are then identified and implemented to minimize or eliminate the risks

  • JSA is commonly used in industries such as construction, manufacturing, and oil and gas

  • Example: JSA for operating heavy machinery would inv...read more

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Q20. How to check PO?

Ans.

To check a PO, verify the details against the purchase order document.

  • Compare the PO number on the document with the one in the system.

  • Check the items ordered, quantities, prices, and delivery dates for accuracy.

  • Ensure that the terms and conditions of the PO are being met.

  • Confirm that the PO has been approved by the appropriate personnel.

  • Cross-reference the PO with any related documents, such as invoices or packing slips.

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Q21. Explain sereted washer

Ans.

A serrated washer is a type of washer with serrations on one side to prevent loosening of the fastener.

  • Serrated washers have teeth or ridges on one side to grip the surface and prevent rotation or loosening

  • They are commonly used in applications where vibration may cause regular washers to loosen

  • Serrated washers are available in various materials such as steel, stainless steel, and nylon

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Q22. Percentage of carbon in MS

Ans.

The percentage of carbon in MS (mild steel) typically ranges from 0.05% to 0.25%.

  • Percentage of carbon in MS (mild steel) is usually between 0.05% to 0.25%.

  • Carbon content affects the strength and hardness of the steel.

  • Higher carbon content results in harder but more brittle steel.

  • Lower carbon content results in softer but more ductile steel.

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Q23. How solar energy working?

Ans.

Solar energy is harnessed from the sun's radiation and converted into usable electricity.

  • Solar panels absorb sunlight and convert it into direct current (DC) electricity.

  • An inverter then converts the DC electricity into alternating current (AC) electricity.

  • The AC electricity is then used to power homes, businesses, and other electrical devices.

  • Excess energy can be stored in batteries or fed back into the grid for others to use.

  • Solar energy is a renewable and sustainable sourc...read more

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Q24. To gauge role fit and map interest level

Ans.

I am highly interested in this role as it aligns with my skills and experience.

  • I have relevant experience in business development and sales.

  • I am passionate about building relationships and identifying new opportunities.

  • I am excited about the potential to contribute to the growth of the company.

  • I am eager to learn and develop new skills in this role.

  • I am confident that I can make a positive impact on the team and the company as a whole.

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Q25. Define IS code 822

Ans.

IS code 822 is a standard set by the Bureau of Indian Standards for the method of conducting hydrostatic tests on concrete pipes.

  • IS code 822 specifies the procedure for conducting hydrostatic tests on concrete pipes to ensure their quality and durability.

  • The code outlines the equipment required, test procedure, acceptance criteria, and reporting requirements.

  • It is important for field quality engineers to be familiar with IS code 822 to ensure compliance with industry standard...read more

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Q26. Type of alignment

Ans.

The type of alignment refers to the positioning of components in relation to each other.

  • There are different types of alignment such as parallel, perpendicular, angular, and concentric.

  • Alignment is crucial for proper functioning and performance of mechanical systems.

  • For example, in automotive engineering, wheel alignment is important for vehicle stability and tire wear.

  • In manufacturing, alignment of machine parts ensures precision and accuracy in production.

  • Alignment can be ac...read more

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Q27. working way and process function of work

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Q28. How to improve equipment performance

Ans.

Regular maintenance, upgrades, monitoring, and optimization can improve equipment performance.

  • Implement regular maintenance schedules to prevent breakdowns

  • Upgrade equipment with newer technology for improved efficiency

  • Monitor equipment performance data to identify areas for improvement

  • Optimize equipment settings and processes to maximize performance

  • Train staff on proper equipment usage and maintenance procedures

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Q29. Explain the generation of electricity

Ans.

Electricity is generated by converting mechanical energy, chemical energy, or solar energy into electrical energy.

  • Mechanical energy is converted into electrical energy through generators in power plants.

  • Chemical energy is converted into electrical energy through batteries or fuel cells.

  • Solar energy is converted into electrical energy through photovoltaic cells.

  • Electricity can also be generated through nuclear reactions in nuclear power plants.

  • Renewable sources like wind, hydr...read more

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Q30. Explain about SAP MM

Ans.

SAP MM is a module in SAP ERP that deals with procurement and inventory management.

  • SAP MM stands for Material Management

  • It involves processes such as procurement, inventory management, and invoice verification

  • It helps in managing materials, vendors, and procurement processes efficiently

  • Example: Creating purchase orders, managing stock levels, and vendor evaluation

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Q31. Purpose of transformer

Ans.

Transformers are used to change the voltage of electricity for transmission and distribution purposes.

  • Transformers step up or step down voltage levels as needed

  • They help in efficient transmission of electricity over long distances

  • Examples include power transformers in substations and distribution transformers on utility poles

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Q32. types of power factor

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