L&T Power AGM Interview Questions and Answers

Microcontroller is a compact computer on a single chip with built-in memory and peripherals, while microprocessor is just a CPU.

• Microcontroller has on-chip memory and peripherals, while microprocessor requires external memory and peripherals.

• Microcontroller is used in embedded systems, while microprocessor is used in personal computers.

• Examples of microcontrollers include Arduino, PIC, and AVR, while examples of microp...read more

Diodes are electronic components that allow current to flow in one direction. Various types of diodes are used in electronic circuits.

• Rectifier diodes

• Zener diodes

• Schottky diodes

• LEDs

• Varactor diodes

• Tunnel diodes

• Photodiodes

• PIN diodes

SCR stands for Silicon Controlled Rectifier. It is a semiconductor device used for power control and switching applications.

• SCR is used in various applications such as motor control, lighting control, and heating control.

• It is used in AC power control circuits to regulate the amount of power delivered to a load.

• SCR is also used in voltage regulators, inverters, and battery chargers.

• It is a three-terminal device consist...read more

I am actively involved in community service and sports.

• Volunteer at local food bank

• Coach youth soccer team

• Participate in charity runs

• Attend fitness classes at gym

I want to join NTPC because of its reputation as a leading power company and its commitment to sustainable development.

• NTPC is a well-established and respected company in the power sector

• I am impressed by NTPC's focus on sustainable development and renewable energy

• I believe that working at NTPC will provide me with opportunities for professional growth and development

• I am excited about the prospect of contributing to N...read more

Private companies may prioritize profit over public health and safety.

• Private companies may cut corners to save costs

• Private companies may not have the same level of accountability as public entities

• Public entities are responsible for protecting the health and safety of all citizens, not just those who can afford it

Our company focuses on other industries with higher growth potential.

• IT sector is highly competitive and saturated

• Other industries have higher growth potential

• Our company has expertise in other industries

• Diversifying our portfolio reduces risk

A single line diagram is a simplified representation of a power system.

• A single line diagram shows the electrical components of a power system in a simplified manner.

• It is used to understand the flow of power and to identify potential problems.

• It includes generators, transformers, transmission lines, distribution lines, and loads.

• Each component is represented by a symbol and connected by lines to show the flow of power...read more

Voltage compensation at load centre

• Voltage drop occurs in the distribution system due to the resistance of the conductors

• Voltage compensation is done to maintain the voltage level at the load center

• Methods of voltage compensation include tap changing transformers, voltage regulators, and shunt capacitors

To increase voltage for running tubewell when voltage is low, use a voltage booster or stabilizer.

• Use a voltage booster or stabilizer to increase voltage

• Check for any loose connections or damaged wires

• Ensure the tubewell motor is not overloaded

• Consider installing a capacitor bank to improve power factor

• Consult with an electrician if necessary

Mounting refers to the process of attaching or fixing something in a specific position, while accessories are additional items that enhance or complement the main object or system.

• Mounting involves securing or affixing an object to a surface or structure.

• Accessories are optional components that provide added functionality or aesthetic appeal.

• Mounting is typically a permanent or semi-permanent attachment, while accessor...read more