L&T Construction Diploma Electrical Engineer Interview Questions and Answers

The erection of an 11 kV line involves setting up a power line infrastructure for transmitting electricity over a distance of 1 km.

• Materials required include conductors (such as aluminum or copper), insulators, poles, transformers, and hardware fittings.

• The conductors are used to carry the electricity from one point to another, while insulators prevent the flow of electricity to the ground.

• Poles are used to support the...read more

I have extensive experience working with high voltage transmission lines in various projects.

• Designed and implemented high voltage transmission lines for power distribution projects

• Performed maintenance and troubleshooting on existing high voltage transmission lines

• Ensured compliance with safety regulations and standards for high voltage systems

• Collaborated with team members and stakeholders to optimize performance and

Diesel generator is a backup power source using diesel fuel, transformer is a device that transfers electrical energy between circuits, and HVAC is a system for heating, ventilation, and air conditioning.

• Diesel generator: provides backup power using diesel fuel, commonly used in areas with frequent power outages

• Transformer: transfers electrical energy between circuits, stepping up or down voltage levels as needed

• HVAC: ...read more

A fire fighting system is a set of equipment and procedures designed to detect, control, and extinguish fires in a building or area.

• Includes fire alarms, sprinkler systems, fire extinguishers, and fire hoses

• May also involve fire suppression systems like foam or gas

• Designed to protect lives and property in the event of a fire

• Regular maintenance and testing are crucial to ensure effectiveness

DM plant stands for Demineralization plant, used to remove minerals and salts from water.

• DM plant is used in industries to produce demineralized water for various processes.

• It consists of ion exchange resins to remove minerals like calcium, magnesium, and salts from water.

• The process involves passing water through cation and anion exchange columns to remove ions.

• DM plant is essential in power plants, pharmaceutical ind...read more

ACB, VCB, MCCB, MCB are types of circuit breakers used in electrical systems.

• ACB stands for Air Circuit Breaker, used for high voltage applications.

• VCB stands for Vacuum Circuit Breaker, used for medium voltage applications.

• MCCB stands for Molded Case Circuit Breaker, used for low voltage applications.

• MCB stands for Miniature Circuit Breaker, used for residential and commercial applications.