NTPC Electrical Maintenance Technician Interview Questions and Answers

Q1. Hvdc and facts devices
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Q1. General questions
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Q1. Company providing in acomdtion
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Q2. Electrical mentioned
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Q3. Electrical,mentnac types
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Q4. Macinary mentioned
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Q1. About Quality & calibration
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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
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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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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. Technical stuff
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Q1. Technical stuff related to current job
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Q1. Background and about your self
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Q2. Why looking for change
Ans. 
Seeking new challenges and opportunities for growth in my career.
• Looking to expand my skill set and knowledge in a new environment

• Interested in working on cutting-edge technologies and projects

• Seeking a more collaborative and innovative work culture

• Want to take on more leadership responsibilities and advance my career
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Q1. Case study and drawing reading
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Q2. Auto cad & project management
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Q1. Why looking for switch
Ans. 
Switches are essential components in electrical circuits for controlling the flow of current.
• Switches are used to turn devices on and off.

• They can also be used to control the direction of current flow.

• Switches come in various types such as toggle, rocker, push button, and rotary.

• Examples of switches include light switches, circuit breakers, and power buttons on electronic devices.
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Q2. Your future plans
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