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40+ Adani Green Energy Interview Questions and Answers

Updated 2 Mar 2025

Q1. What is the use of star delta connection in electrical ?

Ans.

Star delta connection is used to start high power motors with reduced starting current and torque.

  • Reduces starting current and torque

  • Used for high power motors

  • Improves motor efficiency

  • Reduces voltage drop during starting

  • Reduces stress on motor windings

  • Example: Starting a large induction motor in an industrial setting

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Q2. What Kinds of Cables Are Used for Power Transmissions?

Ans.

Different types of cables are used for power transmission, including overhead lines, underground cables, and submarine cables.

  • Overhead lines are commonly used for power transmission over long distances.

  • Underground cables are used in urban areas where overhead lines are not feasible.

  • Submarine cables are used for power transmission between islands or across bodies of water.

  • Different types of cables, such as aluminum cables and copper cables, are used based on the specific requi...read more

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Q3. Mention what is the difference between generator and alternator ?

Ans.

Generators and alternators are both electrical machines that convert mechanical energy into electrical energy, but they differ in their construction and working principles.

  • Generators produce direct current (DC) while alternators produce alternating current (AC).

  • Generators use a commutator and brushes to convert mechanical energy into electrical energy, while alternators use slip rings and brushes.

  • Generators are typically used in small-scale applications, such as portable powe...read more

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Q4. What are the specifications for a 33 kV transmission line, and how can one select the appropriate specifications?

Ans.

Specifications for a 33 kV transmission line and how to select appropriate specifications

  • Specifications for a 33 kV transmission line include conductor size, insulation type, tower height, and distance between towers

  • Conductor size should be chosen based on current carrying capacity and voltage drop considerations

  • Insulation type should be selected based on environmental conditions and required insulation levels

  • Tower height and distance between towers depend on terrain, span le...read more

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Q5. What are the tests conducted on power transformers and their applications?

Ans.

Tests conducted on power transformers include insulation resistance test, turns ratio test, and power factor test.

  • Insulation resistance test checks the insulation of the transformer windings.

  • Turns ratio test verifies the turns ratio between primary and secondary windings.

  • Power factor test measures the efficiency of the transformer in converting power.

  • Other tests include winding resistance test, transformer oil testing, and temperature rise test.

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Q6. How will you analyse the total consumption of diesel in equipment

Ans.

To analyse total diesel consumption in equipment, I would gather data on usage and calculate fuel efficiency.

  • Collect data on equipment usage and fuel consumption

  • Calculate fuel efficiency by dividing fuel consumption by equipment usage

  • Compare fuel efficiency across different equipment to identify outliers

  • Identify factors that may affect fuel efficiency, such as maintenance or operator behavior

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Q7. What is relay coordination in electrical systems?

Ans.

Relay coordination in electrical systems is the process of ensuring that protective relays operate in a coordinated manner to isolate faults while minimizing disruption to the system.

  • Relay coordination involves setting time-current curves for protective relays to ensure that the relay closest to the fault operates first.

  • It is important to coordinate relays to prevent unnecessary tripping of healthy equipment during a fault.

  • Proper relay coordination helps maintain system stabi...read more

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Q8. Taye of a transfarmar and inverter pv arya mms work and testing

Ans.

The question is asking about the work and testing of a transformer, inverter, PV array, and MMS in an electrical engineering context.

  • Transfomer: Explain the function of a transformer in electrical systems, mention testing methods like turns ratio test and insulation resistance test.

  • Inverter: Describe how an inverter converts DC power to AC power, discuss testing procedures such as efficiency testing and harmonic distortion analysis.

  • PV Array: Explain the role of a PV array in ...read more

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Q9. What the reason of cube failure, if all materials are good?

Ans.

Possible reasons for cube failure despite good materials

  • Improper mixing of materials

  • Incorrect curing process

  • Inadequate compaction of concrete

  • Presence of air voids or impurities

  • Poor quality control during manufacturing

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Q10. Brief discussion about the is code of practice for steel structure

Ans.

IS code of practice for steel structures is a set of guidelines and standards for designing and constructing steel structures.

  • The IS code for steel structures in India is IS 800:2007.

  • It covers various aspects such as material properties, design criteria, construction practices, and quality control.

  • The code provides guidelines for the design of steel structures to ensure safety, efficiency, and durability.

  • It is important for engineers and architects to adhere to these codes to...read more

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Q11. How to find out documents theft look like material finished goods?

Ans.

Documents theft can be identified by missing or altered information, unusual access patterns, and discrepancies in inventory records.

  • Look for missing or altered information in documents

  • Monitor access patterns to sensitive documents or storage areas

  • Compare inventory records with actual physical inventory to identify discrepancies

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Q12. Tell Me about solar equipment which are use in solar and wind energy plant.

Ans.

Solar equipment used in solar and wind energy plants include solar panels, inverters, batteries, and wind turbines.

  • Solar panels are used to convert sunlight into electricity.

  • Inverters are used to convert the direct current (DC) produced by solar panels into alternating current (AC) for use in electrical systems.

  • Batteries are used to store excess energy generated by solar panels or wind turbines for later use.

  • Wind turbines are used to convert wind energy into electricity.

  • Other...read more

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Q13. What is the conversion process in karnataka

Ans.

The conversion process in Karnataka refers to the process of changing land use from agricultural to non-agricultural purposes.

  • Conversion process involves obtaining permission from the concerned authorities.

  • Applicants need to submit relevant documents and pay the necessary fees.

  • The process may vary based on the specific location and type of land.

  • Examples include converting agricultural land into residential or commercial use.

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Q14. How to theft find out and how to secure against theft

Ans.

To prevent theft, conduct regular security audits, implement access control measures, use surveillance cameras, and train employees on security protocols.

  • Conduct regular security audits to identify vulnerabilities and areas of improvement

  • Implement access control measures such as keycard entry systems or biometric scanners

  • Use surveillance cameras to monitor high-risk areas and deter potential thieves

  • Train employees on security protocols and the importance of reporting any susp...read more

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Q15. Test of concrete, it's characteristics regards structure

Ans.

Concrete is a composite material made of cement, water, aggregates, and often admixtures. It has high compressive strength but low tensile strength.

  • Concrete is a mixture of cement, water, and aggregates like sand and gravel

  • It has high compressive strength, making it suitable for structural applications

  • However, it has low tensile strength, which can lead to cracking under tension

  • Reinforcement like steel bars can be added to improve tensile strength, creating reinforced concret...read more

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Q16. How many Quantity of cement use in M35 grade concrete

Ans.

The quantity of cement used in M35 grade concrete varies depending on the mix design and specifications.

  • The quantity of cement in M35 grade concrete typically ranges from 360 to 420 kg/m3.

  • The exact amount of cement needed can be calculated using the mix design provided for the project.

  • Factors such as water-cement ratio, aggregate size, and admixtures also influence the quantity of cement required.

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Q17. Electrical AC Dc work field in electrical work

Ans.

Electrical AC DC work field involves working with both alternating current (AC) and direct current (DC) in electrical systems.

  • AC (alternating current) is the type of electrical current commonly used in homes and businesses, while DC (direct current) is used in batteries and electronic devices.

  • AC current periodically changes direction, while DC current flows in only one direction.

  • In electrical work, understanding and working with both AC and DC currents is essential for troubl...read more

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Q18. Brief acknowledgement about the total station

Ans.

Total station is a surveying instrument used for measuring angles and distances in surveying and construction.

  • Total station combines theodolite, electronic distance meter, and software to measure angles and distances accurately.

  • It is commonly used in construction, civil engineering, and land surveying.

  • Total station can be used for setting out buildings, roads, and other infrastructure projects.

  • It provides precise measurements for mapping, topography, and monitoring purposes.

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Q19. What is the use of winch machine

Ans.

A winch machine is used for lifting or pulling heavy objects using a motor-driven cable or rope.

  • Used in construction for lifting heavy materials

  • Commonly used in off-road vehicles for recovery purposes

  • Found on boats for raising and lowering anchors

  • Can be used in forestry for dragging logs

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Q20. How many amounts deducted in EPS per month per month

Ans.

The amount deducted in EPS per month varies based on the employee's salary and age.

  • The EPS deduction is 12% of the employee's basic salary and DA.

  • Employees above the age of 58 are exempt from EPS deductions.

  • The maximum EPS deduction per month is Rs. 1,250.

  • The minimum EPS deduction per month is Rs. 250.

  • Employers also contribute 8.33% of the employee's basic salary and DA towards EPS.

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Q21. Which device to use for testing insulation?

Ans.

A megohmmeter is used for testing insulation.

  • A megohmmeter, also known as an insulation tester, is used to measure the resistance of insulation materials.

  • It applies a high voltage to the insulation and measures the current flowing through it.

  • The results help determine if the insulation is in good condition or if there are any faults or leaks.

  • Megohmmeters are commonly used in electrical and electronic industries to ensure the safety and reliability of insulation.

  • Examples of in...read more

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Q22. Which test conduct after cube test?

Ans.

Compression test is conducted after cube test to determine the compressive strength of concrete.

  • Compression test is conducted to determine the compressive strength of concrete.

  • It involves applying a gradually increasing load to the concrete specimen until failure.

  • The results of the compression test help in assessing the quality of the concrete mix and its ability to withstand compressive forces.

  • Compression test is an important test in construction projects to ensure the struc...read more

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Q23. Tell me about solar and wind energy?

Ans.

Solar and wind energy are renewable sources of power that harness the sun and wind to generate electricity.

  • Solar energy is generated by converting sunlight into electricity using solar panels.

  • Wind energy is generated by using wind turbines to convert the kinetic energy of the wind into electricity.

  • Both solar and wind energy are clean and sustainable alternatives to fossil fuels.

  • Solar and wind energy systems can be used for residential, commercial, and industrial purposes.

  • Exam...read more

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Q24. What is working principle of wind turbine

Ans.

Wind turbines convert kinetic energy from the wind into mechanical power.

  • Wind turns the blades of the turbine

  • Blades are connected to a drive shaft

  • Drive shaft spins a generator to produce electricity

  • Electricity is then fed into the grid or stored in batteries

  • Turbines can have horizontal or vertical axis

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Q25. Electrical work in solar energy

Ans.

Electrical work in solar energy involves designing, installing, and maintaining electrical systems for solar power generation.

  • Designing and sizing solar power systems

  • Installing solar panels and inverters

  • Connecting solar panels to the electrical grid

  • Troubleshooting and repairing electrical issues in solar systems

  • Performing regular maintenance and inspections

  • Ensuring compliance with safety regulations and standards

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Q26. Testing of equipments

Ans.

Testing of equipments involves ensuring they are functioning properly and meet safety standards.

  • Regularly inspect equipment for any signs of damage or wear

  • Conduct performance tests to ensure equipment is functioning as expected

  • Calibrate equipment regularly to maintain accuracy

  • Follow manufacturer's guidelines for testing and maintenance

  • Keep detailed records of testing and maintenance activities

  • Train staff on proper use and testing procedures

  • Examples: Testing a fire alarm syste...read more

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Q27. How to talk friendly with customer?

Ans.

Talking friendly with customers requires active listening, positive language, empathy, and a willingness to help.

  • Use positive language and avoid negative words or phrases

  • Listen actively to the customer's concerns and show empathy

  • Be patient and avoid interrupting the customer

  • Offer solutions or alternatives to the customer's problem

  • Thank the customer for their business and offer assistance in the future

  • Use the customer's name to personalize the conversation

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Q28. What is a batal proces

Ans.

A batal process is a term used in the oil and gas industry to describe a process where two fluids are mixed together to create a desired outcome.

  • Batal processes are commonly used in drilling operations to create drilling mud with specific properties.

  • The mixing of drilling mud involves combining water, clay, and other additives to achieve the desired viscosity and density.

  • Batal processes can also be used in hydraulic fracturing operations to create fracturing fluids with speci...read more

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Q29. What is the S.O.P ?

Ans.

S.O.P stands for Standard Operating Procedure, which is a set of step-by-step instructions compiled by an organization to help workers carry out routine operations.

  • S.O.P outlines the steps that employees should take to complete a specific task or process.

  • It ensures consistency and quality in the performance of tasks.

  • S.O.Ps are used in various industries such as manufacturing, healthcare, and food service.

  • For example, in a manufacturing plant, there may be an S.O.P for machine...read more

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Q30. What is the 164 notification

Ans.

The 164 notification is a notification sent by a system to alert users of a specific event or action.

  • The 164 notification typically includes important information or updates that users need to be aware of.

  • It can be triggered by various events such as system errors, completed tasks, or new messages.

  • Users may receive the 164 notification through email, text message, or within the system itself.

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Q31. What is the S.T.Q ?

Ans.

S.T.Q stands for Safety, Time, Quality - a framework used in production engineering to prioritize aspects of a project.

  • Safety: Ensuring that all processes and equipment are safe for workers and the environment.

  • Time: Managing the schedule and deadlines to ensure timely completion of projects.

  • Quality: Maintaining high standards of quality in the production process and final products.

  • Example: Prioritizing safety measures before starting a new production line.

  • Example: Setting rea...read more

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Q32. How is the Creating of MIS

Ans.

MIS creation involves gathering, analyzing, and presenting data to support decision-making.

  • MIS involves collecting data from various sources such as databases, spreadsheets, and reports.

  • The data is then analyzed to identify trends, patterns, and insights.

  • The analyzed data is presented in the form of reports, dashboards, and visualizations to aid decision-making.

  • Examples of MIS include sales reports, inventory tracking systems, and financial performance dashboards.

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Q33. Lapping zone in column

Ans.

Lapping zone in column refers to the area where the stationary phase and mobile phase meet in chromatography.

  • The lapping zone is where the sample components interact with the stationary phase and mobile phase.

  • It is important for separation efficiency and resolution in chromatography.

  • Examples include the interface between the liquid and solid phases in column chromatography.

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Q34. What is Dfig in wind turbine

Ans.

Dfig stands for Doubly Fed Induction Generator, a type of generator used in wind turbines.

  • Dfig is a type of generator that allows variable speed operation in wind turbines.

  • It has two sets of windings - one connected to the grid and the other to a converter.

  • The converter controls the power flow between the grid and the generator, allowing for better efficiency.

  • Dfig is commonly used in modern wind turbines for its ability to adjust to changing wind conditions.

  • It is more cost-ef...read more

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Q35. How to deals with customer?

Ans.

Dealing with customers requires active listening, empathy, and problem-solving skills.

  • Listen actively to the customer's concerns and needs

  • Show empathy and understanding towards their situation

  • Offer solutions and options to resolve their issue

  • Follow up with the customer to ensure their satisfaction

  • Maintain a positive and professional attitude throughout the interaction

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Q36. Knowledge in operation of SAP

Ans.

I have extensive knowledge in the operation of SAP.

  • I have experience in using various modules of SAP such as FI/CO, MM, and SD.

  • I am proficient in creating and modifying reports using SAP Query and ABAP programming.

  • I have experience in configuring and customizing SAP to meet business requirements.

  • I have trained end-users on how to use SAP and provided support when needed.

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Q37. Per MW cost with rational?

Ans.

Per MW cost with rational refers to the cost of generating one megawatt of electricity with a logical and reasonable approach.

  • Per MW cost with rational is calculated by taking into account all the expenses incurred in generating one megawatt of electricity.

  • This includes the cost of fuel, maintenance, labor, and other operational expenses.

  • The cost can vary depending on the type of power plant, fuel source, and location.

  • For example, the per MW cost with rational for a coal-fire...read more

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Q38. What is Jsa & What is Hira.

Ans.

JSA stands for Job Safety Analysis, a process of identifying potential hazards in a job task. HIRA stands for Hazard Identification and Risk Assessment, a systematic approach to identifying and managing risks.

  • JSA involves breaking down a job task into steps, identifying potential hazards at each step, and implementing controls to mitigate the risks.

  • HIRA involves identifying hazards, assessing the associated risks, and implementing measures to control or eliminate the risks.

  • Bo...read more

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Q39. Cell manufacturing process

Ans.

Cell manufacturing process involves the production of cells for various applications such as tissue engineering and regenerative medicine.

  • Cell manufacturing process involves the culture and expansion of cells in a controlled environment.

  • Cells are typically grown in bioreactors or cell culture flasks with specific growth media and conditions.

  • The process may include cell isolation, cell expansion, differentiation, and quality control steps.

  • Examples include the production of ste...read more

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Q40. How land acquisition works?

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Q41. What a knowledge about store

Ans.

Knowledge about store involves managing inventory, organizing goods, ensuring proper storage conditions, and maintaining accurate records.

  • Managing inventory levels to prevent stockouts or overstocking

  • Organizing goods in a systematic manner for easy access

  • Ensuring proper storage conditions to maintain product quality

  • Maintaining accurate records of incoming and outgoing goods

  • Implementing inventory control measures to prevent theft or loss

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Q42. What is UA/UC

Ans.

UA/UC stands for Unsafe Acts/Unsafe Conditions, which are factors contributing to accidents in the workplace.

  • UA refers to unsafe acts, which are actions or behaviors that increase the risk of accidents (e.g. not wearing proper PPE, horseplay)

  • UC refers to unsafe conditions, which are environmental factors that increase the risk of accidents (e.g. faulty equipment, poor lighting)

  • Identifying and addressing UA/UC is crucial in preventing workplace accidents and promoting safety

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Q43. Preferred location

Ans.

I am open to opportunities in various locations, with a preference for urban areas with good public transportation.

  • Open to various locations

  • Preference for urban areas

  • Good public transportation is a plus

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Q44. What is near miss

Ans.

A near miss is an unplanned event that did not result in injury, illness, or damage, but had the potential to do so.

  • Near misses are incidents that could have resulted in harm, but by chance did not.

  • They are important to report and investigate to prevent future accidents.

  • Examples include a tool falling from height but narrowly missing a worker, or a vehicle swerving to avoid a collision.

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