Hitachi Energy Interview Questions, Process, and Tips

Q1. Please tell about your self..
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Q2. Please explain about collaborative work
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Q1. Quality control details
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Q2. Experience on work
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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. Tell me about yourself? PowerBI, SQL, work experience, Data mining,data profiling, power query power pivot, next 5 years
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Q1. Current organization work
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Q2. Process of mechnical componenets manufacturing
Ans. 
The process of mechanical components manufacturing involves designing, prototyping, testing, and mass production.
• Designing the component using CAD software

• Creating a prototype to test functionality and durability

• Conducting tests to ensure quality and performance standards are met

• Setting up mass production processes for efficient manufacturing

• Implementing quality control measures to maintain consistency
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Q3. Various Design Equations Used for Calculations
Ans. 
Various design equations are used for calculations in engineering.
• Design equations are used to calculate parameters like stress, strain, deflection, etc.

• Examples include Euler's buckling formula, Young's modulus equation, beam bending equations.

• Equations are derived from fundamental principles of physics and mechanics.

• Design equations are essential for ensuring structural integrity and performance of engineering system
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Q4. Iron-Carbon Diagram
Ans. 
Iron-Carbon diagram is a graphical representation of the phases present in steel at different temperatures and carbon concentrations.
• Shows the relationship between temperature, carbon content, and phases in steel

• Consists of regions like austenite, ferrite, cementite, and pearlite

• Helps in understanding the microstructure and properties of steel

• Used in heat treatment processes to achieve desired properties
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Q5. Stress strain Diagram
Ans. 
Stress strain diagram shows the relationship between stress and strain in a material under load.
• It is a graphical representation of how a material deforms under stress.

• The slope of the curve indicates the material's stiffness or Young's modulus.

• The area under the curve represents the material's toughness.

• Different materials have different stress-strain curves.

• It helps engineers understand a material's behavior under di
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Q6. Shaft Design of Motor
Ans. 
Shaft design of a motor involves selecting appropriate materials, dimensions, and manufacturing processes to ensure optimal performance and durability.
• Consider the torque and speed requirements of the motor to determine the appropriate shaft diameter and material

• Select materials with high strength and fatigue resistance, such as stainless steel or carbon steel

• Consider factors like keyways, threads, and bearing surfaces...read more
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Jk and technical programming questions

Q1. C programming, Embedded C ,C++, Paytho, Linux
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Q2. What is static, global,local variables?
Ans. 
Static, global, and local variables are different types of variables in programming with different scopes and lifetimes.
• Static variables have a fixed memory location and retain their value between function calls.

• Global variables are accessible throughout the entire program.

• Local variables are only accessible within the block of code where they are declared.
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Q3. Difference between Call by reference and call by value
Ans. 
Call by value passes a copy of the variable, while call by reference passes the actual variable itself.
• Call by value passes a copy of the variable, so changes made to the parameter inside the function do not affect the original variable.

• Call by reference passes the actual variable itself, so changes made to the parameter inside the function affect the original variable.

• In call by value, the function receives a copy of ...read more
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Q4. Explain storage classes concept in depth?
Ans. 
Storage classes in C define the scope and lifetime of variables.
• Storage classes include auto, register, static, extern, and typedef.

• Auto variables are local to the block and have automatic storage duration.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared outside any function and can be accessed by other files.

• Typede
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Q1. Join the company for further process
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