Hitachi Energy Interview Questions, Process, and Tips

Q1. Explain about the project that you did?
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Q2. Explain the framework that you have worked upon?
Ans. 
I have worked on developing a custom framework for system verification using Python and Selenium.
• Developed a modular framework to automate test cases for system verification

• Used Python for scripting test cases and Selenium for web automation

• Implemented data-driven testing to run test cases with different input data

• Integrated with Jenkins for continuous integration and automated test execution
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There are 60 questions in 60 minutes all questions are technical

Q1. Introduce your self
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I am a recent graduate with a degree in Business Administration, eager to learn and grow in a management role.
• Recent graduate with a degree in Business Administration

• Eager to learn and grow in a management role

• Strong communication and leadership skills

• Experience in team projects and problem-solving

• Passionate about continuous improvement and professional development
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Q2. Explain the project which are mentioned in resume
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Q3. What is transformer
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease the voltage in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core made of iron or other magnetic materials.

• Examples of transformers include power transformers used in electri...read more
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Q4. How transformer will work
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A transformer works by transferring electrical energy between two or more circuits through electromagnetic induction.
• Transformers consist of two coils of wire, known as the primary and secondary coils.

• When an alternating current flows through the primary coil, it creates a changing magnetic field.

• This changing magnetic field induces a voltage in the secondary coil, transferring energy from the primary to the secondary ...read more
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Q5. Current transformer
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Q6. Deep question which are related to transformer
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Q1. About virtual DOM and it's implementation
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Q2. Implementation of map, reduce, filter
Ans. 
Map, reduce, and filter are higher-order functions commonly used in functional programming to manipulate arrays.
• Map: Transforms each element in an array based on a provided function.

• Reduce: Reduces an array to a single value by applying a function to each element.

• Filter: Creates a new array with elements that pass a certain condition.
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Q3. Closures and their implementation
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Closures are functions that have access to variables from their containing scope.
• Closures can access variables from their outer function even after the outer function has finished executing.

• Closures can be used to create private variables in JavaScript.

• Closures are commonly used in event handlers and callbacks.
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Q4. Redux sagas and their practical use cases
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Redux sagas are middleware libraries for managing side effects in Redux applications.
• Redux sagas are used to handle asynchronous actions in Redux, such as API calls or timers.

• They are implemented as generator functions that can pause and resume execution.

• Redux sagas provide a more structured and testable approach to handling side effects compared to traditional Redux middleware like Thunk.

• Common use cases for redux sag...read more
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Q5. Basic javascript output questions
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Q1. Write a function to find the sum of the array using reduce.
Ans. 
Function to find sum of array using reduce
• Use the reduce method to iterate through the array and accumulate the sum

• Convert array elements to numbers before summing them up

• Handle edge cases like empty array or non-numeric elements

• Example: const array = ['1', '2', '3']; const sum = array.reduce((acc, curr) => acc + Number(curr), 0);
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Q2. About form validation techniques
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Q3. UseCallback and useMemo
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Q1. What do you know about Hitachi energy
Ans. 
Hitachi Energy is a global technology leader that provides innovative and sustainable energy solutions.
• Hitachi Energy offers a wide range of products and services for the energy sector, including grid integration, digital solutions, and consulting services.

• The company focuses on creating a more sustainable energy future through its advanced technologies and expertise.

• Hitachi Energy is known for its commitment to innova...read more
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Q2. Why do you want to join only Hitachi energy.
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Q1. Please tell about your self..
Ans. 
Experienced Senior Quality Engineer with a strong background in quality assurance and process improvement.
• Over 8 years of experience in quality engineering

• Skilled in implementing quality control processes and procedures

• Proficient in conducting audits and root cause analysis

• Strong knowledge of ISO standards and regulatory requirements

• Led cross-functional teams to drive continuous improvement initiatives
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Q2. Please explain about collaborative work
Ans. 
Collaborative work involves individuals working together towards a common goal, sharing ideas, responsibilities, and resources.
• Requires effective communication and teamwork

• Involves sharing knowledge and expertise

• Encourages brainstorming and problem-solving together

• Results in improved efficiency and productivity

• Examples: Pair programming in software development, interdisciplinary team in healthcare
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Q1. Quality control details
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Q2. Experience on work
Ans. 
I have over 5 years of experience working as a Senior Quality Engineer in the manufacturing industry.
• Led cross-functional teams to implement quality improvement initiatives

• Developed and implemented quality control processes to ensure product compliance

• Conducted root cause analysis and implemented corrective actions to prevent defects

• Performed supplier audits to ensure adherence to quality standards
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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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Q1. Round 2 Technical -Hvdc,HVAC,ohms law, transformer,power electronics (thyristor), what is conductor and list of good conductor and which one is good conduction property,die electric strength,reactive power...read more
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Q2. If you clear First round it's easy to clear next 2 round (only for women) due to achieve 25% @ 25 mission
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Q1. Full line by line qns from resume.
Ans. 
Answering questions line by line from resume
• Provide detailed explanations for each line on resume

• Highlight key accomplishments and experiences mentioned

• Connect each line to relevant skills and qualifications
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Q2. Basics of electrical
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Q1. Basics of family
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Q2. Strength and weakness
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