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Tata Power Apprenticeship Trainee Interview Questions, Process, and Tips

Updated 18 Jan 2023

Tata Power Apprenticeship Trainee Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(12 Questions)

  • Q1. What is the circuit breaker.circuit breaker protect by short circuit
  • Ans. 

    A circuit breaker is a device that automatically interrupts the flow of electric current in a circuit to protect against short circuits.

    • Circuit breakers are designed to prevent damage to electrical equipment and wiring caused by excessive current.

    • They work by detecting abnormal current flow and quickly opening the circuit to stop the flow of electricity.

    • This helps to prevent overheating, fires, and other hazards that c...

  • Answered by AI
  • Q2. What is transformer.transformer work is electric' current up n down
  • Ans. 

    Transformers are electrical devices that transfer energy from one circuit to another through electromagnetic induction.

    • Transformers work by changing the voltage and current levels of an alternating current (AC) power supply.

    • They consist of two coils of wire, called the primary and secondary windings, wrapped around a magnetic core.

    • When an AC voltage is applied to the primary winding, it creates a magnetic field that in...

  • Answered by AI
  • Q3. What is motor .motor is a machine.motor is work on AC current
  • Ans. 

    A motor is a machine that converts electrical energy into mechanical energy.

    • Motors are used in various applications such as fans, pumps, and vehicles.

    • There are two types of motors: AC motors and DC motors.

    • AC motors are commonly used in household appliances while DC motors are used in electric vehicles.

    • Motors work by using the interaction between a magnetic field and an electric current to produce motion.

    • The speed of a ...

  • Answered by AI
  • Q4. What is AC n DC current
  • Ans. 

    AC and DC currents are two types of electrical currents with different characteristics.

    • AC (Alternating Current) is a type of electrical current that periodically changes direction.

    • DC (Direct Current) is a type of electrical current that flows in only one direction.

    • AC is commonly used in household electrical systems, while DC is used in batteries and electronic devices.

    • AC current is generated by power plants and transmi...

  • Answered by AI
  • Q5. What electric frequency in in India. Electric frequency in India 50hz
  • Ans. 

    The electric frequency in India is 50hz.

    • Electricity in India operates at a frequency of 50hz.

    • This is the same frequency used in most countries in Asia and Europe.

    • The frequency is important for the proper functioning of electrical appliances.

  • Answered by AI
  • Q6. What is relay. Relay is working mod on electric circuit board's do open n close
  • Ans. 

    A relay is an electrically operated switch that uses an electromagnet to mechanically open or close a circuit.

    • Relays are commonly used in electrical systems to control high voltage or high current circuits with low voltage signals.

    • They can be used for a variety of applications such as controlling lights, motors, and solenoids.

    • Relays come in different types such as electromagnetic, solid-state, and reed relays.

    • They are ...

  • Answered by AI
  • Q7. What is AC electric current.
  • Ans. 

    AC electric current is a type of electrical current that periodically reverses direction.

    • AC stands for Alternating Current

    • It is commonly used in household appliances and power grids

    • The voltage and frequency of AC current can vary depending on the application

    • Examples of AC current include the power supply in your home and the electricity used to power electric motors

  • Answered by AI
  • Q8. What is solar energy. Solar energy is working by son in work by solar panel jo charging deti DC bettry ko
  • Ans. 

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

    • Solar energy is renewable and sustainable.

    • It is harnessed through the use of solar panels, which convert sunlight into electricity.

    • Solar energy can be used for a variety of purposes, including powering homes and businesses, heating water, and even powering cars.

    • It is a clean source of energy, producing no greenhouse gas emissi...

  • Answered by AI
  • Q9. Electric current lagene par kya karna chahiye. Electric current lagene par patient ko frist ted dena chahiye, patient ko ulta lita kar uski peeth dabana chahiye, patient ko cpr dena chahiye
  • Q10. What is control system
  • Ans. 

    A control system is a system that manages, commands, directs, or regulates the behavior of other devices or systems.

    • Control systems are used in various fields such as engineering, manufacturing, and automation.

    • They can be either open-loop or closed-loop systems.

    • Open-loop systems do not have feedback, while closed-loop systems use feedback to adjust their output.

    • Examples of control systems include thermostats, cruise co...

  • Answered by AI
  • Q11. How to measurement of current
  • Ans. 

    Current can be measured using an ammeter.

    • An ammeter is connected in series with the circuit to measure current.

    • The ammeter should have a suitable range for the expected current.

    • The circuit should be turned off before connecting the ammeter.

    • The ammeter should be connected in the correct orientation.

    • The reading on the ammeter should be recorded and interpreted correctly.

  • Answered by AI
  • Q12. How to measurement of voltage
  • Ans. 

    Voltage can be measured using a voltmeter or a multimeter.

    • Connect the voltmeter/multimeter to the circuit or component being measured

    • Set the range of the voltmeter/multimeter to the appropriate voltage level

    • Read the voltage measurement displayed on the voltmeter/multimeter

    • Ensure proper grounding and safety precautions are taken

    • Examples of voltage measurements include measuring the voltage of a battery or power supply

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Meri strength hi work hai.
Mai hard working work karunga humesha

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. Normal question about personality and job related

Interview Preparation Tips

Round: Test
Experience: Interview was going smoothly & all questions was related my job so it's was easy for me.
Tips: Good knowledge about of wind turbine
Duration: 2 hours
Total Questions: 25

Round: HR Interview
Experience: Interview was completed so easy
Tips: Required nice personality and confidence is must required

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected

I applied via Company Website

Round 1 - Technical 

(4 Questions)

  • Q1. Power plant related
  • Q2. Theory of machine
  • Ans. 

    Theory of machine is a branch of engineering that deals with the study of machines and their mechanisms.

    • Theory of machine focuses on understanding the principles behind the operation of machines.

    • It involves studying the design, construction, and operation of machines.

    • Examples include studying the movement of gears in a gearbox or the operation of a piston in an engine.

  • Answered by AI
  • Q3. Function of PA fan
  • Ans. 

    PA fan stands for Primary Air fan, which is used in power plants to supply air for combustion in the boiler.

    • Supplies primary air for combustion in the boiler

    • Helps in maintaining proper air-fuel ratio for efficient combustion

    • Assists in controlling the temperature and pressure inside the boiler

    • Improves the overall efficiency of the boiler

    • Examples: FD fan in a power plant

  • Answered by AI
  • Q4. ID fan and pa fan difference
  • Ans. 

    ID fan is used to control the draft in the furnace while PA fan is used to supply combustion air to the furnace.

    • ID fan is located at the outlet of the furnace while PA fan is located at the inlet of the furnace.

    • ID fan helps in maintaining negative pressure inside the furnace while PA fan helps in supplying air for combustion.

    • ID fan is used to extract flue gases from the furnace while PA fan is used to supply primary an...

  • Answered by AI

I applied via Approached by Company and was interviewed in Sep 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. How does Ash handling Dept. Works
  • Ans. 

    Ash handling department deals with the collection, transportation, and disposal of ash generated from power plants.

    • Ash is collected from the furnace and transported to the ash handling system

    • The ash is then processed and disposed of in an environmentally friendly manner

    • Different types of ash handling systems are used depending on the type of fuel used in the power plant

    • The ash handling department also ensures complianc...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview is based on basic details about company , technical roles and how administration work..
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Group Discussion 

Discuss work related questions

Round 2 - HR 

(1 Question)

  • Q1. Salary discuss and other accommodation

Interview Preparation Tips

Interview preparation tips for other job seekers - Good for career growth and life cycle balance
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. How much distribution voltage
  • Ans. 

    Distribution voltage refers to the voltage level at which electricity is distributed from substations to consumers.

    • Distribution voltage typically ranges from 4 kV to 33 kV for residential and commercial areas.

    • Higher distribution voltages, such as 66 kV or 132 kV, are used for industrial areas or large consumers.

    • The choice of distribution voltage depends on factors like distance, load requirements, and cost.

    • Transformers...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Nov 2023. There were 2 interview rounds.

Round 1 - HR 

(2 Questions)

  • Q1. About my academic
  • Q2. About salary & family background
Round 2 - Technical 

(2 Questions)

  • Q1. About college project
  • Q2. Some discussion on college studies

Interview Preparation Tips

Interview preparation tips for other job seekers - Good

Senior Engineer Interview Questions & Answers

Suzlon Group user image Abhishek Bagwan (ABHI)

posted on 25 Dec 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Dec 2023. There was 1 interview round.

Round 1 - Technical 

(22 Questions)

  • Q1. Can you provide an introduction about yourself?
  • Ans. 

    Experienced Senior Engineer with a strong background in software development and project management.

    • Over 10 years of experience in designing and implementing complex software solutions

    • Proficient in multiple programming languages such as Java, Python, and C++

    • Led cross-functional teams to successfully deliver projects on time and within budget

    • Strong problem-solving skills and ability to adapt to new technologies quickly

  • Answered by AI
  • Q2. Can you provide details about your work experience?
  • Ans. 

    I have over 10 years of experience in designing and implementing complex engineering solutions.

    • Designed and implemented various engineering solutions for different projects

    • Led a team of engineers to successfully complete a major project ahead of schedule

    • Collaborated with cross-functional teams to ensure project success

    • Utilized advanced engineering tools and techniques to optimize project outcomes

  • Answered by AI
  • Q3. What do you know about Doubly Fed Induction Generators?
  • Ans. 

    Doubly Fed Induction Generators (DFIGs) are commonly used in wind turbines to allow variable speed operation and improve efficiency.

    • DFIGs have two sets of windings - one on the stator and one on the rotor

    • The rotor windings are fed with variable frequency AC power through slip rings and brushes

    • DFIGs allow for control of both active and reactive power output

    • They are more efficient than fixed speed induction generators

    • DFI...

  • Answered by AI
  • Q4. What is the importance of circuit diagrams in electrical engineering?
  • Ans. 

    Circuit diagrams are essential in electrical engineering for visualizing and understanding complex circuits.

    • Circuit diagrams provide a visual representation of the connections and components in a circuit.

    • They help engineers analyze and troubleshoot circuits more efficiently.

    • Circuit diagrams aid in the design and construction of electrical systems.

    • They are crucial for documenting and communicating circuit designs to oth...

  • Answered by AI
  • Q5. What is the procedure for reading a wiring diagram?
  • Ans. 

    Reading a wiring diagram involves understanding symbols, following the flow of current, and identifying components.

    • Start by familiarizing yourself with the symbols used in the diagram.

    • Follow the flow of current from the power source to the components.

    • Identify the different components and their connections based on the diagram.

    • Pay attention to the color codes and labels for wires and components.

    • Refer to the legend or ke...

  • Answered by AI
  • Q6. What is an IGBT, how does it work, and what is the importance of diode capacitors in its functionality?
  • Ans. 

    IGBT stands for Insulated Gate Bipolar Transistor, a semiconductor device used for switching applications in power electronics.

    • IGBT is a type of power semiconductor device that combines the high efficiency of a MOSFET with the high current and low saturation voltage capability of a bipolar transistor.

    • It consists of three terminals: gate, collector, and emitter.

    • IGBT works by controlling the flow of current between the c...

  • Answered by AI
  • Q7. Can you provide training to your team?
  • Ans. 

    Yes, I have experience providing training to my team.

    • I have conducted training sessions on new technologies and tools for my team.

    • I have created training materials such as presentations, manuals, and hands-on exercises.

    • I have mentored junior team members to help them improve their skills.

    • I have received positive feedback from team members on the effectiveness of my training sessions.

  • Answered by AI
  • Q8. What are your computer skills?
  • Ans. 

    Proficient in various programming languages and software tools, with experience in database management and system administration.

    • Proficient in programming languages such as Java, Python, and C++

    • Experience with database management systems like MySQL and MongoDB

    • Skilled in system administration tasks including network configuration and troubleshooting

    • Familiar with software tools such as Git, Jenkins, and Docker

  • Answered by AI
  • Q9. How frequently are you able to climb towers as part of your job requirements?
  • Ans. 

    I climb towers as part of my job requirements on a regular basis.

    • I climb towers for routine maintenance checks

    • I climb towers to install or repair equipment

    • I climb towers to conduct inspections or surveys

    • On average, I climb towers at least once a month

  • Answered by AI
  • Q10. What is your understanding of the balance of plant (BOP)?
  • Ans. 

    BOP refers to the systems and equipment outside of the main power generating unit in a power plant.

    • BOP includes components like transformers, switchgear, cooling systems, and fuel systems.

    • It is essential for the overall functioning of the power plant.

    • BOP is responsible for supporting the main power generation unit and ensuring its efficient operation.

    • Examples of BOP components are water treatment systems, piping, and c

  • Answered by AI
  • Q11. What are SCADA (Supervisory Control and Data Acquisition) systems and PLC (Programmable Logic Controllers)?
  • Ans. 

    SCADA systems are used to monitor and control industrial processes, while PLCs are programmable devices used to automate machinery and processes.

    • SCADA systems gather and analyze real-time data from sensors and equipment in industrial settings.

    • SCADA systems allow operators to remotely monitor and control processes, alarms, and events.

    • PLCs are programmable devices used to automate machinery and processes based on input f...

  • Answered by AI
  • Q12. Can you create a controlling circuit diagram based on my specifications?
  • Ans. 

    Yes, I can create a controlling circuit diagram based on your specifications.

    • I will need detailed specifications including input/output requirements, components to be used, and any specific constraints.

    • I will create a schematic diagram using software like Eagle, Altium, or KiCad.

    • I will ensure the circuit meets safety standards and is optimized for performance.

    • I will provide documentation including a bill of materials a

  • Answered by AI
  • Q13. What is the difference between synchronous and asynchronous generators?
  • Ans. 

    Synchronous generators produce electricity at a constant frequency, while asynchronous generators do not require synchronization with the grid frequency.

    • Synchronous generators are connected to the grid and produce electricity at a fixed frequency, typically 50 or 60 Hz.

    • Asynchronous generators do not need to be synchronized with the grid frequency and can operate at variable speeds.

    • Synchronous generators are commonly us...

  • Answered by AI
  • Q14. What is the Standard Operating Procedure (SOP)?
  • Ans. 

    SOP is a set of step-by-step instructions compiled by an organization to help workers carry out routine operations.

    • SOP is a detailed document that outlines the procedures and processes to be followed in specific situations.

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

    • SOPs are used in various industries such as healthcare, manufacturing, and IT.

    • Examples include a SOP for handling customer complaints in...

  • Answered by AI
  • Q15. Are you familiar with DGR, MGR, or YGR?
  • Ans. 

    DGR, MGR, and YGR are commonly used acronyms in the engineering field.

    • DGR stands for Design Gross Rating, which is the maximum allowable weight for a designed structure.

    • MGR stands for Maximum Gross Rating, which is the maximum weight a vehicle can carry including its own weight.

    • YGR could refer to Yield Gross Rating, but context is needed to determine its specific meaning.

  • Answered by AI
  • Q16. Are you knowledgeable about Mean Time Between Failures (MTBF) and Mean Time To Repair (MTTR)?
  • Ans. 

    Yes, I am knowledgeable about MTBF and MTTR in the context of engineering.

    • MTBF refers to the average time between failures of a system or component.

    • MTTR is the average time it takes to repair a failed system or component.

    • Both metrics are important in assessing the reliability and maintenance needs of engineering systems.

    • For example, a server may have an MTBF of 10,000 hours and an MTTR of 2 hours.

  • Answered by AI
  • Q17. What is more important for system reliability, Mean Time Between Failures (MTBF) or Mean Time to Repair (MTTR)?
  • Ans. 

    MTTR is more important for system reliability as it directly impacts downtime and overall system availability.

    • MTTR directly impacts downtime and system availability

    • MTBF is important for predicting failures but does not address how quickly the system can be restored

    • Focusing on reducing MTTR can lead to improved system reliability and performance

  • Answered by AI
  • Q18. What is the function of a Doubly-Fed Induction Generator (DFIG) when used with an asynchronous generator?
  • Ans. 

    DFIG controls the active and reactive power independently, improving efficiency and stability in wind turbines.

    • DFIG allows for variable speed operation, improving efficiency in wind turbines.

    • It controls the active and reactive power independently, enhancing stability.

    • DFIG can provide grid support by injecting or absorbing reactive power as needed.

    • It is commonly used in wind turbines to improve power quality and grid in...

  • Answered by AI
  • Q19. What is slip in a generator?
  • Ans. 

    Slip in a generator refers to the difference between synchronous speed and actual rotor speed.

    • Slip is necessary for the generation of electrical power in a generator.

    • It is calculated as (Synchronous speed - Actual speed) / Synchronous speed.

    • Slip is typically expressed as a percentage.

    • Higher slip values indicate lower efficiency in the generator.

    • For example, in an induction generator, slip is essential for inducing curr

  • Answered by AI
  • Q20. What can you explain about sub-synchronous, synchronous, and super-synchronous speeds?
  • Ans. 

    Sub-synchronous, synchronous, and super-synchronous speeds refer to different speeds at which a rotating machine can operate in relation to the system frequency.

    • Sub-synchronous speed: When the machine speed is less than the synchronous speed, typically caused by a mechanical fault or system resonance.

    • Synchronous speed: When the machine speed matches the system frequency, commonly seen in normal operating conditions.

    • Sup...

  • Answered by AI
  • Q21. Importance of hub system, Nacelle system in wind turbine ?
  • Ans. 

    Hub system and Nacelle system are crucial components in a wind turbine for efficient energy generation.

    • The hub system connects the blades to the main shaft of the turbine, allowing for rotation and energy generation.

    • The Nacelle system houses the gearbox, generator, and other key components necessary for converting wind energy into electricity.

    • Proper maintenance and monitoring of these systems are essential for optimal ...

  • Answered by AI
  • Q22. About documentation
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Apr 2022. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Powertrain technical questions
Round 2 - HR 

(1 Question)

  • Q1. Compensation and benefits

I applied via Naukri.com and was interviewed in Mar 2021. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. What are your roles in your current job
  • Ans. Explaned about my roles and responsibilities
  • Answered Anonymously
  • Q2. How do you tackle vibrations in axial fans
  • Ans. 

    To tackle vibrations in axial fans, proper balancing, alignment, and maintenance are essential.

    • Perform dynamic balancing of the fan blades to minimize vibrations.

    • Ensure proper alignment of the fan with the motor and the surrounding structure.

    • Regularly inspect and maintain the fan components to prevent wear and tear.

    • Use vibration analysis techniques to identify and address any potential issues.

    • Consider installing vibrat...

  • Answered by AI
  • Q3. What are the challenges you faced your job
  • Ans. Explained about our ID fan hydro coupling issue
  • Answered Anonymously
  • Q4. What permit system do you follow
  • Ans. 

    We follow a permit system based on the project requirements and local regulations.

    • Our permit system ensures compliance with safety standards and legal requirements.

    • We obtain permits for activities such as construction, electrical work, and hazardous material handling.

    • The specific permit requirements vary depending on the nature of the project and the location.

    • We work closely with regulatory authorities to ensure timely...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Know the constraints in your answer so that interviewer not go further into particular topic

Tata Power Interview FAQs

How many rounds are there in Tata Power Apprenticeship Trainee interview?
Tata Power interview process usually has 2 rounds. The most common rounds in the Tata Power interview process are Resume Shortlist and Technical.
What are the top questions asked in Tata Power Apprenticeship Trainee interview?

Some of the top questions asked at the Tata Power Apprenticeship Trainee interview -

  1. What is the circuit breaker.circuit breaker protect by short circ...read more
  2. What is transformer.transformer work is electric' current up n d...read more
  3. What is motor .motor is a machine.motor is work on AC curr...read more

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Tata Power Apprenticeship Trainee Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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Tata Power Apprenticeship Trainee Salary
based on 4 salaries
₹1 L/yr - ₹2.4 L/yr
9% more than the average Apprenticeship Trainee Salary in India
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Lead Engineer
752 salaries
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₹3.2 L/yr - ₹12.5 L/yr

Team Lead
229 salaries
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₹4.9 L/yr - ₹18 L/yr

Assistant Manager
200 salaries
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₹5 L/yr - ₹19 L/yr

Manager
173 salaries
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₹9.2 L/yr - ₹27 L/yr

Graduate Engineer Trainee (Get)
132 salaries
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₹5.5 L/yr - ₹6.7 L/yr

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