Doosan Power Systems EHS Officer Interview Questions, Process, and Tips

Quantitative aptitude

Q1. Given the image of switch,which type of switch shown in the fig
Ans. 
The switch shown in the image is a toggle switch.
• The switch has a lever that can be moved up and down to turn it on or off.

• Toggle switches are commonly used in electronic devices and appliances.

• Examples of toggle switches include light switches and power switches on electronic devices.
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Q2. Network theorem questions
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Q1. In t years where you want to see yourself
Ans. 
In t years, I see myself as a senior electrical engineer leading innovative projects and mentoring junior engineers.
• Continuing to develop my technical skills and knowledge in the field of electrical engineering

• Taking on more leadership roles within projects and teams

• Mentoring and guiding junior engineers to help them grow in their careers

• Contributing to the development of cutting-edge technologies and solutions

• Possibly...read more
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Q2. Why do you want to join Hitachi energy
Ans. 
I want to join Hitachi Energy because of their innovative solutions and global impact in the energy sector.
• Hitachi Energy is a leader in providing sustainable energy solutions

• I am impressed by Hitachi Energy's commitment to innovation and technology advancement

• I believe my skills and experience align well with the opportunities at Hitachi Energy

• I am excited about the chance to work on cutting-edge projects and contribu
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An assignment is a task or piece of work given to someone, typically as part of their studies or job. It can be a written assignment, a research project, a presentation, or any other type of task. Assignments are used to assess students' knowledge and skills, and to help them learn new things. They are also used to give employees specific tasks to complete.
Here are some different types of assignments:
* Written assignments: These can be essays, reports, case studies, or other types of written work.
* Research projects: These involve researching a topic and writing a report or presentation on your findings.
* Presentations: These can be oral presentations or PowerPoint presentations.
* Practical assignments: These involve completing a practical task, such as building a model or conducting an experiment.
* Group assignments: These involve working with other students to complete a task.
When completing an assignment, it is important to:
* Read the instructions carefully: Make sure you understand what you are being asked to do.
* Plan your work: Break down the task into smaller steps and create a timeline for completing each step.
* Do your research: If the assignment requires research, make sure you use reliable sources.
* Write clearly and concisely: Use clear and concise language, and avoid using jargon or overly complex sentences.
* Proofread your work: Check your work for errors in grammar, spelling, and punctuation.
* Submit your work on time: Make sure you submit your work by the deadline.
By following these tips, you can complete your assignments successfully.

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
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Q2. Are you willing to work if require to support near by site .
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Q1. As per your experience as previous company they asked questions, but more focos on safety .
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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 ...read more
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Q1. Previous experiences questions, like DFIG , Converter system, power factor , transformer , lighting system, Earthing system .
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Normal discussion with seniors

Q1. Salary discussion and joining details
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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
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Q2. Electrical 8 equipment
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Q1. Tell me about your daily work activity
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Written exam with technical and non technical

Q1. Technical questions
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Q1. Expected CTC, facility
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Q1. What is the use of star delta connection
Ans. 
Star delta connection is used in electrical engineering to reduce starting current and torque in induction motors.
• Reduces starting current by starting the motor in star connection and then switching to delta connection

• Reduces starting torque to prevent mechanical stress on the motor

• Commonly used in applications where high starting current or torque could be damaging, such as large industrial motors
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Q2. What do you do before starting electrical activity
Ans. 
Before starting electrical activity, I ensure all safety precautions are in place and equipment is functioning properly.
• Perform a safety check on all equipment and tools

• Verify that all connections are secure and wires are properly insulated

• Double check the circuit design and calculations for accuracy

• Ensure proper grounding is in place to prevent electrical hazards
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