Noida Power Company Interview Questions and Answers

I am a seasoned engineer with 10+ years of experience. In my last role, I served as the Lead Engineer at XYZ Company.

• 10+ years of engineering experience

• Previous role as Lead Engineer at XYZ Company

• Managed a team of engineers to successfully complete projects on time and within budget

Copper taping in HT cables provides shielding against electromagnetic interference and helps in grounding.

• Copper taping in HT cables acts as a shield to protect against electromagnetic interference.

• It helps in grounding the cable to prevent electrical hazards.

• The copper taping also provides mechanical protection to the cable.

• Example: Copper taping is commonly used in high voltage power cables to ensure reliable transmi...read more

If copper taping becomes brittle, it may lead to poor electrical conductivity, increased risk of breakage, and potential failure of the system.

• Poor electrical conductivity may result in signal loss or interference.

• Increased risk of breakage can lead to physical damage to the system.

• Potential failure of the system may require costly repairs or replacements.

• Brittle copper taping may also indicate corrosion or degradation...read more

Busbars are shaped rectangular instead of cylindrical for better heat dissipation and easier installation.

• Rectangular shape provides more surface area for heat dissipation

• Easier to stack and connect rectangular busbars in electrical panels

• Rectangular shape allows for more efficient use of space in the panel

• Cylindrical shape would be harder to install and connect in a panel

Gravelling in substations is used to provide a stable surface for equipment installation, reduce the risk of electric shock, and prevent weed growth.

• Provides a stable surface for equipment installation

• Reduces the risk of electric shock by providing insulation

• Prevents weed growth around the equipment

• Improves drainage and reduces the risk of flooding

• Helps in maintaining a clean and organized substation environment

Preventive maintenance involves checking various components to ensure they are in good working condition.

• Inspecting and cleaning filters to ensure proper airflow

• Checking and replacing worn out belts and hoses

• Testing and replacing batteries if necessary

• Inspecting and lubricating moving parts

• Checking for leaks and addressing them promptly

The size of conductor in 33 KV is typically around 185 mm^2 for aluminum and 120 mm^2 for copper.

• Conductor size for 33 KV is usually around 185 mm^2 for aluminum and 120 mm^2 for copper

• The size may vary based on specific requirements and regulations

• Larger conductors may be used for higher current carrying capacity

The dimensions of an 11 KV VCB vary depending on the manufacturer and model, typically ranging from 600mm x 400mm x 200mm to 800mm x 600mm x 300mm.

• Dimensions can vary based on manufacturer and model

• Common dimensions range from 600mm x 400mm x 200mm to 800mm x 600mm x 300mm

• VCB stands for Vacuum Circuit Breaker

Dynamic management trainee with a passion for leadership, problem-solving, and driving team success through innovative strategies.

• Educational Background: Graduated with a degree in Business Administration from XYZ University, where I was involved in various leadership roles.

• Internship Experience: Completed an internship at ABC Corp, where I assisted in project management and improved team efficiency by 20%.

• Skills: Prof...read more

I have worked on various projects focusing on process improvement, team collaboration, and data analysis to drive efficiency.

• Led a team project to streamline the onboarding process, reducing time by 30%.

• Conducted a market analysis project that identified new customer segments, increasing sales by 15%.

• Implemented a data visualization tool that improved reporting accuracy and reduced manual errors by 40%.

• Collaborated wit...read more

Symmetric faults affect all components equally, while unsymmetric faults impact specific components differently.

• Symmetric faults occur uniformly across a system, affecting all parts equally.

• Example: A power outage that affects an entire building's electrical system.

• Unsymmetric faults are localized and affect specific components or areas.

• Example: A malfunctioning server in a data center that impacts only certain applica...read more