Madhav Limaye Consulting Electrical Engineer Interview Questions and Answers

Maintenance procedures involve regular inspections, testing, and repairs to ensure equipment functionality and safety.

• Regularly schedule maintenance tasks to prevent breakdowns and ensure equipment longevity

• Conduct thorough inspections to identify potential issues before they escalate

• Keep detailed records of maintenance activities and equipment history

• Train staff on proper maintenance procedures and safety protocols

• Uti...read more

To maintain a battery bank, regular inspections, proper charging, temperature control, and monitoring electrolyte levels are essential.

• Perform regular inspections to check for signs of corrosion, leaks, or damage

• Ensure proper charging by following manufacturer's guidelines and avoiding overcharging

• Control temperature to prevent overheating or freezing, which can reduce battery life

• Monitor electrolyte levels and top up ...read more

Earthing is the process of connecting electrical equipment or installations to the earth to prevent electric shock and protect against electrical faults.

• Earthing involves creating a connection between the electrical system and the earth.

• It is done by burying a metal conductor, such as a copper rod, in the ground.

• The metal conductor is connected to the electrical system using a wire or cable.

• Earthing provides a path for...read more

The type of DGs used at our site are diesel generators.

• Diesel generators are commonly used as backup power sources in various industries.

• They are reliable and can provide a continuous power supply during electrical outages.

• DGs are often used in remote locations or areas with unreliable grid power.

• They require regular maintenance and fuel supply to operate efficiently.

• Examples of DGs used at our site include Cummins, Ca

LT line refers to Low Tension line while HT line refers to High Tension line.

• LT line carries low voltage and is used for domestic and small-scale commercial purposes.

• HT line carries high voltage and is used for industrial and large-scale commercial purposes.

• LT line voltage is typically up to 440 volts, while HT line voltage is above 440 volts.

• LT lines are usually overhead lines, while HT lines can be both overhead and ...read more

We used different types of circuit breakers at the site depending on the specific requirements.

• We used air circuit breakers (ACBs) for low voltage applications.

• For medium voltage applications, we used vacuum circuit breakers (VCBs) or oil circuit breakers (OCBs).

• In high voltage installations, we used sulfur hexafluoride (SF6) circuit breakers.

• For specialized applications like generator protection, we used differential ...read more

The size of transformers used at the site varied depending on the specific requirements of the project.

• Transformers used at the site were of different sizes based on the power demand of the electrical system.

• For smaller projects, transformers with a capacity of around 100 kVA were used.

• For medium-sized projects, transformers with a capacity ranging from 250 kVA to 500 kVA were used.

• For larger projects, transformers wit...read more

We used a stationary type batching plant at the site.

• We used a stationary type batching plant for our construction project.

• The stationary batching plant had a higher production capacity compared to mobile plants.

• It was equipped with multiple storage bins for different types of aggregates.

• The plant had a conveyor belt system to transfer the aggregates to the mixer.

• We used this type of batching plant because it provided

Electrical lightning protection design codes and standards are guidelines that ensure the safety and effectiveness of lightning protection systems.

• National Fire Protection Association (NFPA) 780 is a widely recognized standard for lightning protection design.

• International Electrotechnical Commission (IEC) 62305 is another commonly used standard for lightning protection.

• These codes and standards provide guidelines for t...read more

Electrical earthing design is a crucial aspect of electrical engineering that ensures safety and proper functioning of electrical systems.

• Electrical earthing design involves creating a low-resistance path for electrical current to flow into the ground.

• It helps prevent electric shock, protects equipment from damage, and ensures proper functioning of protective devices like circuit breakers.

• Different types of earthing sy...read more