Home » Electrical Q & A » Page 6

Category: Electrical Q & A

Electrical Engineering Interview Questions & Answers

Top 50 Electrical Engineering Questions & Answers

S Bharadwaj Reddy
What is the difference between earth and neutral? Neutral is a return current path for equipments and earthing is protection for humans. Earth is a support for neutral. If neutral...

Transformers Interview Questions & Answers

S Bharadwaj Reddy
Why is transformer flux constant? When a load is connected to a transformer current (say I2) flows through secondary coil thus an M.M.F (N2I2) is produced, this produces the secondary...

Industrial Automation and Control Interview Questions

S Bharadwaj Reddy
What is derating factor? The factor by which the ratings of component parts are reduced to provide additional safety margins in critical applications or when the parts are subjected to extreme...

Interview Questions on Battery Testing

S Bharadwaj Reddy
Measuring the float voltage of cells is usually easy, but how useful are the results produced by this measurement? In reality, float voltage measurements are of limited value. They can...

Transmission and Distribution Interview Questions

S Bharadwaj Reddy
What for series and shunt compensation provided in EHV transmission lines? Series capacitance is provided in EHV lines to artificially reduce the series reactance of the line so as to...

Advantages & Disadvantages of Air Insulated Substation

S Bharadwaj Reddy
Air Insulated Substation (AIS) or Outdoor Substations have all switchgear equipment, busbars and other switchyard equipment installed outside open to atmosphere. In earlier days for any voltage ratings AIS or...

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More

WordPress Image Lightbox