Doosan Power Systems QA QC Engineer Interview Questions and Answers

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
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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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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. 1.Talk about your self . 2.Talk about your skills and experience. 3.Why your want to work in this company.
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Q2. Talk about your self. Talk about your skills and experience.
Ans. 
I am an experienced Electrical Engineer with a strong skill set in designing and troubleshooting electrical systems.
• Proficient in designing electrical circuits and systems

• Skilled in troubleshooting and repairing electrical equipment

• Experienced in using CAD software for electrical design

• Knowledgeable in electrical codes and regulations

• Familiar with PLC programming and automation systems

• Strong analytical and problem-solv...read more
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Q3. Talk about your self. Why do want to work in this company. How many years experience in electrical engineering.
Ans. 
I am an experienced electrical engineer with a passion for problem-solving and innovation. I have worked in the field for 8 years and have a strong track record of successful projects.
• 8 years of experience in electrical engineering

• Strong problem-solving and innovation skills

• Proven track record of successful projects

• Passionate about the field

• Continuously updating knowledge and skills
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Q1. Power converters
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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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