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Doosan Power Systems Electrical Technician Interview Questions and Answers

Updated 2 Nov 2020

Doosan Power Systems Electrical Technician Interview Experiences

1 interview found

Interview Questionnaire 

1 Question

  • Q1. How to moter testing
  • Ans. 

    Motor testing involves various methods to check the performance and health of an electric motor.

    • Check the motor windings for continuity and resistance

    • Measure the voltage and current to determine power consumption

    • Inspect the bearings and lubrication for wear and tear

    • Perform a load test to evaluate the motor's ability to handle its rated load

    • Use specialized equipment like megohmmeters and oscilloscopes for more detailed

  • Answered by AI

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Jan 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. What is the purpose of an uninterruptible power supply (UPS)?
  • Ans. 

    UPS is used to provide backup power in case of electrical outages or fluctuations.

    • Provides continuous power supply during outages

    • Protects sensitive electronic equipment from damage due to power surges or fluctuations

    • Allows for safe shutdown of devices to prevent data loss

    • Commonly used in data centers, hospitals, and critical infrastructure

    • Types include offline, line-interactive, and online UPS

  • Answered by AI
  • Q2. What is a substation?
  • Ans. 

    A substation is a facility used to transform voltage levels and distribute electricity to consumers.

    • Substations receive high voltage electricity from power plants or transmission lines

    • They transform the voltage to a lower level for distribution to homes and businesses

    • Substations may also include equipment for switching, controlling, and protecting the power flow

    • Examples of substations include step-down substations, dis

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. What is a relay?
  • Ans. 

    A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching of a circuit.

    • Relays are used to control high power circuits with low power signals.

    • They consist of a coil, armature, and contacts.

    • Common types include electromagnetic relays, solid-state relays, and reed relays.

    • Examples of relay applications include automotive starter solenoids and industrial control systems.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Good company and environment

I applied via Walk-in and was interviewed in Dec 2021. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Where do you see yourself in 5 years?
Round 2 - 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

Interview Preparation Tips

Interview preparation tips for other job seekers - 12 experience dol rdol motor maintenance HT feeder LT feeder maintenance
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Wind turbine related
  • Q2. Wind turbine manufacturing

I applied via Walk-in and was interviewed in Nov 2021. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Types of File
  • Ans. 

    There are various types of files used in computing.

    • Text files: contain plain text and can be opened in any text editor.

    • Binary files: contain non-textual data and can only be opened in specific programs.

    • Image files: contain images and can be opened in image viewers or editors.

    • Audio files: contain audio data and can be played in media players.

    • Video files: contain video data and can be played in media players or video edi...

  • Answered by AI
  • Q2. What is Suction Shell and Pressure Shell?
  • Ans. 

    Suction shell and pressure shell are components of a centrifugal pump.

    • Suction shell is the part of the pump that houses the impeller and creates a low-pressure area to draw in fluid.

    • Pressure shell is the part of the pump that contains the discharge nozzle and creates a high-pressure area to push out fluid.

    • The two shells are separated by the impeller, which rotates to move fluid from the suction shell to the pressure sh...

  • Answered by AI
  • Q3. About Lubrication in very deep

Interview Preparation Tips

Interview preparation tips for other job seekers - Ignore walk in interview. Interviewer don't see my resume before taking interview. I have 3+ experienced but interviewer asking a question like I am fresher because he doesn't see my Resume. Company was not good not pay salary time to time so ignore walk-in and if telephonically then give interview and I have huge learn after this interview so don't waste money, valuable time on this types of company...

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Jan 2023. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. Taranformer rating ....... KVA MVA HZ
  • Q2. Ohm low ...........
  • Q3. Current of unit .......
  • Ans. 

    The question is asking about the current of a unit.

    • The current of a unit refers to the amount of electric current flowing through a specific unit or device.

    • It is typically measured in amperes (A) or milliamperes (mA).

    • The current of a unit can vary depending on the specific device or circuit being discussed.

    • For example, the current of a unit could refer to the current flowing through a resistor, a transistor, or a motor...

  • Answered by AI
  • Q4. Transformers rating in KVA
  • Ans. 

    Transformers are rated in KVA (kilovolt-amperes) to indicate their power capacity.

    • KVA stands for kilovolt-amperes, which is a unit of apparent power.

    • The KVA rating of a transformer indicates the maximum amount of power it can handle.

    • Transformers are available in various KVA ratings to suit different power requirements.

    • Higher KVA ratings indicate higher power capacity.

    • For example, a transformer with a 100 KVA rating can

  • Answered by AI
  • Q5. What is loop law?
  • Ans. 

    Loop law, also known as Kirchhoff's voltage law, states that the sum of the voltages in any closed loop in a circuit is zero.

    • Loop law is a fundamental principle in electrical engineering.

    • It is also known as Kirchhoff's voltage law (KVL).

    • According to loop law, the algebraic sum of the potential differences (voltages) around any closed loop in a circuit is always zero.

    • It is based on the principle of conservation of energ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Electrical tacnician
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is the Transformer
  • Ans. 

    A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.

    • Consists of two coils of wire, known as primary and secondary coils

    • Primary coil receives electrical energy and creates a magnetic field

    • Magnetic field induces a voltage in the secondary coil, transferring energy

    • Used in power distribution, voltage regulation, and electrical isolation

  • Answered by AI
  • Q2. Electrical 8 equipment

Interview Preparation Tips

Interview preparation tips for other job seekers - Yes
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Jun 2023. There were 2 interview rounds.

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 

(1 Question)

  • Q1. About Quality & calibration

Interview Questionnaire 

1 Question

  • Q1. About your previous experiences
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Jul 2023. There were 6 interview rounds.

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 - HR 

(2 Questions)

  • Q1. Like what is your work experience. Are you willing to climb twice in a day .
  • Ans. According to your experience needs to give answers Second question- yes
  • Answered Anonymously
  • Q2. Are you willing to work if require to support near by site .
Round 3 - Technical 

(2 Questions)

  • Q1. As per your experience as previous company they asked questions, but more focos on safety .
  • Q2. What is LOTO , Types of LOTO
  • Ans. 

    LOTO stands for Lockout/Tagout, a safety procedure used to ensure that dangerous machines are properly shut off and not started up again prior to the completion of maintenance or servicing work.

    • LOTO involves locking the energy isolating devices with an assigned individual lock and tag to prevent the machine from being turned on.

    • Types of LOTO include electrical LOTO, mechanical LOTO, and pneumatic LOTO.

    • Examples of LOTO ...

  • Answered by AI
Round 4 - Technical 

(1 Question)

  • Q1. Previous experiences questions, like DFIG , Converter system, power factor , transformer , lighting system, Earthing system .
Round 5 - Case Study 

Normal discussion with seniors

Round 6 - HR 

(1 Question)

  • Q1. Salary discussion and joining details

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare proper resume , focused what you write on your cv according to you will get questions, so prepare accordingly.

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Doosan Power Systems Electrical Technician Salary
based on 5 salaries
₹2.4 L/yr - ₹3.4 L/yr
13% less than the average Electrical Technician Salary in India
View more details

Doosan Power Systems Electrical Technician Reviews and Ratings

based on 2 reviews

3.1/5

Rating in categories

4.1

Skill development

4.0

Work-life balance

3.9

Salary

3.8

Job security

3.9

Company culture

4.0

Promotions

4.1

Work satisfaction

Explore 2 Reviews and Ratings
Deputy Manager
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₹5 L/yr - ₹17.5 L/yr

Manager
161 salaries
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₹5.8 L/yr - ₹24.1 L/yr

Senior Engineer
159 salaries
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₹4 L/yr - ₹12 L/yr

Engineer
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₹3 L/yr - ₹8.4 L/yr

Senior Manager
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₹10 L/yr - ₹32 L/yr

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