20+ Navkaar International Interview Questions and Answers

The term 'soul of the substation' is used to emphasize the importance and central role of the substation in the power distribution system.

• The substation is considered the heart of the power grid, as it plays a crucial role in transforming and distributing electricity to different areas.

• Just like the soul is essential for the functioning of a living being, the substation is essential for the functioning of the power system.

• Referring to the substation as the 'soul' highlights i...read more

My initial response to a technical problem in the substation would be to assess the situation, identify the root cause, and take immediate action to resolve the issue.

• Assess the situation by checking equipment status and alarms

• Identify the root cause through troubleshooting and analysis

• Take immediate action to isolate the problem area and restore normal operations

• Communicate with team members and supervisors to coordinate efforts and seek assistance if needed

Various safety tools include personal protective equipment, lockout/tagout systems, warning signs, and emergency stop buttons.

• Personal protective equipment (PPE) such as hard hats, gloves, safety glasses, and high visibility clothing are essential for protecting workers from hazards.

• Lockout/tagout systems are used to ensure that equipment is properly shut off and not turned on accidentally while maintenance work is being performed.

• Warning signs are placed in strategic locatio...read more

Different types of earthing include solid earthing, resistance earthing, and reactance earthing. Earthing is necessary for substations to provide a path for fault currents to flow safely to the ground.

• Solid earthing: Direct connection of the electrical system to the ground with low impedance.

• Resistance earthing: Introducing resistance in the earthing system to limit fault current.

• Reactance earthing: Using inductive or capacitive reactance to limit fault current.

• Earthing is ne...read more

The frequency of AC supply used at our substation is 60 Hz.

• The frequency of AC supply at our substation is 60 Hz.

• The standard frequency for AC power in most regions is 60 Hz.

• Frequency can vary in different countries, with some using 50 Hz instead of 60 Hz.

Contact the billing department to inquire about the status and resolve any issues.

• Contact the billing department to inquire about the status of the bill.

• Check if there are any issues with the bill that need to be resolved.

• Provide any necessary information or documentation to resolve the issue.

• Follow up with the billing department to ensure the issue has been resolved.

Star point of power transformer is earthed to provide a reference point for the system and to ensure safety.

• Earthing the star point helps in providing a reference point for the system voltage.

• It helps in stabilizing the system voltage during unbalanced loads.

• Earthing the star point also helps in providing a path for fault currents to ground, ensuring safety.

• It helps in reducing the risk of insulation breakdown and damage to the transformer.

• Earthing the star point also helps i...read more

AC supply constantly changes direction while DC supply flows in one direction.

• AC supply changes direction periodically, while DC supply flows in one direction constantly

• AC supply is used for long-distance power transmission, while DC supply is used for shorter distances

• AC supply is easier to convert to different voltages using transformers, while DC supply requires more complex conversion methods

MSEDCL stands for Maharashtra State Electricity Distribution Company Limited. It is responsible for electricity distribution in Maharashtra.

• MSEDCL is a government-owned company that distributes electricity to various parts of Maharashtra.

• It was formed in 2005 after the restructuring of the Maharashtra State Electricity Board.

• MSEDCL is responsible for maintaining and upgrading the distribution network, billing, and collection of electricity charges.

• It also provides new connect...read more

The bill adds new provisions to address emerging issues and improve existing regulations.

• The bill may add new regulations to address a specific problem or issue.

• The bill may amend existing regulations to improve their effectiveness.

• The bill may introduce new provisions to adapt to changing circumstances or advancements.

• The bill may include provisions to align with international standards or agreements.

• The bill may add provisions to enhance consumer protection or promote fair ...read more

Costing knowledge to students refers to the understanding of financial calculations and budgeting.

• Understanding different costing methods such as absorption costing, marginal costing, and activity-based costing

• Knowledge of cost behavior and cost-volume-profit analysis

• Ability to calculate and interpret variances in cost accounting

• Understanding budgeting and forecasting techniques

• Awareness of cost control measures and cost reduction strategies

• Familiarity with financial statemen...read more

The company expects students to have strong technical skills and a willingness to learn and adapt to new technologies.

• Strong technical skills in computer operations

• Ability to troubleshoot and resolve technical issues

• Knowledge of operating systems and software applications

• Willingness to learn and adapt to new technologies

• Attention to detail and ability to follow instructions

• Good communication and teamwork skills

Technical skills for students refer to the specific abilities and knowledge related to technology and computer systems that students acquire through education and training.

• Technical skills for students include programming languages, software development, database management, networking, and cybersecurity.

• Students can develop technical skills through courses, workshops, internships, and hands-on projects.

• Examples of technical skills for students are proficiency in programming ...read more

The costing for my knowledge is based on my experience, certifications, and the value I bring to the organization.

• The costing for my knowledge is determined by factors such as my level of expertise, years of experience, and any specialized certifications or training I have.

• I continuously update my skills and stay up-to-date with the latest technologies, which adds value to my knowledge.

• The costing for my knowledge can vary depending on the specific job requirements and market...read more

MSEDCL stands for Maharashtra State Electricity Distribution Company Limited.

• MSEDCL is responsible for distributing electricity in the state of Maharashtra, India.

• They handle power distribution, billing, and customer service for millions of consumers.

• MSEDCL also works on infrastructure development and maintenance to ensure reliable power supply.

• One of the key works of MSEDCL is to ensure electricity reaches even remote areas of the state.

• They also focus on promoting energy ef...read more

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Transformers work on the principle of electromagnetic induction.

• They consist of two or more coils of wire, known as windings, which are wound around a core made of magnetic material.

• The primary winding is connected to the input voltage source, while the secondary winding is connected to the load.

• When an alternating current flows through the pri...read more

The meeting of service refers to a gathering or discussion where individuals come together to discuss and address issues related to a particular service.

• A meeting of service is typically held to discuss service improvements, updates, or issues.

• It involves individuals from different departments or teams who are responsible for providing or managing the service.

• During the meeting, participants may discuss customer feedback, service metrics, and strategies for enhancing the serv...read more

The timing period of MSEDCL Company is typically from 9:30 AM to 5:30 PM.

• MSEDCL Company operates during regular business hours

• The timing period is from Monday to Friday

• There may be variations in timing based on specific departments or locations

Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction.

• Transformers are used to increase or decrease the voltage of an alternating current (AC) signal.

• There are two main types of transformers: step-up transformers and step-down transformers.

• Step-up transformers increase the voltage, while step-down transformers decrease the voltage.

• Transformers are commonly used in power distribution systems to transm...read more

The best location for a computer operator depends on various factors such as proximity to data centers, availability of reliable power supply, and access to high-speed internet.

• Proximity to data centers ensures faster response times and reduced latency.

• Availability of reliable power supply ensures uninterrupted operations.

• Access to high-speed internet is crucial for efficient data transfer and communication.

• Consider locations with good infrastructure and connectivity.

• Examples...read more

Managing voltage frequency involves regulating and controlling the voltage and frequency levels in an electrical system.

• Use voltage regulators to maintain a stable voltage level

• Use frequency converters to adjust the frequency as needed

• Monitor voltage and frequency using meters and sensors

• Implement load shedding or load balancing techniques to manage fluctuations

• Ensure proper maintenance and inspection of electrical equipment

• Coordinate with power grid operators to maintain syn...read more

A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.

• Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.

• There are two types of transformers: step-up transformers and step-down transformers.

• Step-up transformers increase the voltage of the input power supply, while step-down transformers decrease the voltage.

• Transformers are commonly used in power d...read more

A transmission line is a specialized cable or other structure designed to carry electrical signals over long distances with minimal loss.

• Transmission lines are used to transmit electrical signals from one point to another.

• They are commonly used in telecommunications, power distribution, and networking.

• Examples include coaxial cables, fiber optic cables, and overhead power lines.

Phase and neutral are electrical terms used in AC circuits.

• Phase is the live wire that carries the current to the load.

• Neutral is the return wire that completes the circuit.

• Phase has a voltage that alternates between positive and negative.

• Neutral has a voltage that is close to zero.

• In a three-phase system, there are three phases and one neutral wire.

• Phase and neutral wires are color-coded for safety reasons.

• In India, phase wire is usually red or brown, and neutral wire is usu...read more

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Consists of two or more coils of insulated wire wound around a core

• Primary coil receives electrical energy and induces a magnetic field in the core

• Secondary coil receives energy from the magnetic field and transfers it to the load

• Used to step up or step down voltage in power distribution systems

• Examples include power transformers in substations...read more

Testing of Distribution Transformer involves various electrical and mechanical tests to ensure its performance and safety.

• Electrical tests include turns ratio test, insulation resistance test, and short circuit test.

• Mechanical tests include temperature rise test and vibration test.

• Testing also involves checking the transformer's efficiency and power factor.

• Visual inspection is done to check for any physical damages or loose connections.

• Testing is crucial to ensure the transfo...read more