10+ Nex2me Interview Questions and Answers

High voltage is preferred for transmission of electrical power due to lower energy losses and reduced cost.

• High voltage reduces energy losses during transmission

• Reduced current flow at high voltage reduces the cost of transmission lines

• High voltage allows for longer transmission distances

• Step-up transformers increase voltage for transmission and step-down transformers decrease voltage for distribution

• Examples of high voltage transmission systems include the 765 kV AC line in ...read more

Humming noise is generated due to the vibration of magnetic domains in a magnetic material.

• Magnetostriction is the property of magnetic materials to change their shape or dimensions when subjected to a magnetic field.

• This change in shape causes the magnetic domains to vibrate, which in turn generates a humming noise.

• The frequency of the humming noise is directly proportional to the frequency of the magnetic field.

• Magnetostriction is used in various applications such as in tra...read more

Eddy current losses in transformers can be reduced by using laminated cores, increasing the core resistance, and minimizing the air gap.

• Use laminated cores to reduce eddy current losses

• Increase the core resistance by using high resistivity materials

• Minimize the air gap between the core and windings

• Use magnetic materials with low hysteresis losses

• Reduce the frequency of the alternating current

• Use thicker laminations to reduce eddy current losses

• Use interleaved winding to reduc...read more

Yes, I am knowledgeable about distribution licenses and franchises.

• I have experience in obtaining and managing distribution licenses for products.

• I am familiar with the legal requirements and regulations surrounding distribution licenses.

• I have worked with franchises to expand business operations and ensure compliance with franchise agreements.

Electrical circuits involve the flow of electric current, while magnetic circuits involve the flow of magnetic flux.

• Electrical circuits involve the use of conductors, insulators, and power sources to create a path for electric current to flow.

• Magnetic circuits involve the use of magnetic materials, such as iron, to create a path for magnetic flux to flow.

• Electrical circuits are used in a wide range of applications, including lighting, heating, and electronics.

• Magnetic circuit...read more

Electrical appliances are devices that run on electricity to perform a specific task.

• Examples include refrigerators, washing machines, televisions, air conditioners, and vacuum cleaners.

• They are used in homes, offices, and industries for various purposes.

• They make our lives easier and more convenient.

• They require proper maintenance and care to ensure their longevity and safety.

Losses in transformers can be categorized as copper losses and iron losses.

• Copper losses occur due to resistance in the windings and are also known as I^2R losses.

• Iron losses occur due to hysteresis and eddy currents in the core.

• Copper losses can be reduced by using larger conductors with lower resistance.

• Iron losses can be minimized by using high-quality magnetic materials and proper core design.

• Total losses in a transformer can be calculated by summing up copper losses and ...read more

The question is not clear and seems to have a typo.

• Please clarify the question as it is not understandable.

• Provide more context or correct the typo in the question.

• Without proper information, it is not possible to answer the question.

Efficiency of a transformer is the ratio of output power to input power.

• Efficiency is affected by factors such as core losses, winding resistance, and load impedance.

• Efficiency can be improved by using high-quality materials and reducing losses.

• Efficiency is typically expressed as a percentage and can range from 50% to 99%.

• Efficiency is important in reducing energy waste and improving overall system performance.

Different models can refer to various approaches, frameworks, or systems used in operations management.

• Different models in operations management include the supply chain model, the lean manufacturing model, and the Six Sigma model.

• The supply chain model focuses on optimizing the flow of goods and services from suppliers to customers.

• The lean manufacturing model aims to eliminate waste and improve efficiency in production processes.

• The Six Sigma model aims to reduce defects an...read more

Isolation process refers to the separation of individuals who have been exposed to a contagious disease to prevent its spread.

• Isolation involves keeping individuals who are infected or potentially infected away from others to prevent transmission of the disease.

• It may involve quarantining individuals in a designated area, such as a hospital or their home, to limit contact with others.

• Isolation protocols often include wearing personal protective equipment, practicing good hygi...read more

An earthing path is a conductive connection between an electrical system and the earth to prevent electrical shock and protect equipment.

• Earthing path is essential for safety in electrical systems.

• It provides a low-resistance path for fault currents to flow into the ground.

• Earthing path prevents the buildup of static electricity.

• It protects equipment from damage caused by lightning strikes or power surges.

• Examples of earthing paths include grounding rods, grounding plates, an...read more