Electrical Engineering Interview Questions And Answers Part 17
WHY STAR DELTA STARTER IS PREFERRED WITH INDUCTION MOTOR? Star delta starter is preferred with induction motor due to following reasons: •…
Electrical Interview Questions Part 8
Q:What is the difference between Isolator and Circuit Breaker? A:Isolator is a off load device which is used for isolating the downstream…
Electrical Interview Questions Part 11
Query:What is the function of interposing current transformer? Resolution:The main function of an interposing current transformer is to balance the currents supplied…
Electrical Interview Questions Part 10
Q:How do you select a cable size (Cu & Al) for a particular load? A:At first calculate the electrical current of the…
Electrical Interview Questions Part 13
Q:How to determine alternating current frequency? A:Zero crossings of the sine wave to trigger a monostable (pulse generator) is a way to…
Electrical Inteview questions Part 9
Query:What is the count of hvdc transmission lines in India? Resolution:At present there are three hvdc transmission lines in india 1)chandrapur to…
Electrical Interview questions Part 16
Q: Do you know the advantages of speed controlusing thyristor? A: Advantages: 1. Fast Switching Characterstics than Mosfet, BJT, IGBT 2. Low…
Electrical Interview questions Part 15
Q:Why link is provided in neutral of an ac circuit and fuse in phase of ac circuit? A:Link is provided at a…
Electrical Interview Questions Part 12
Query:Difference between megger test equipment and contact resistance meter test instruments? Resolution: Megger test equipment used to measure cable electric resistance, conductor continuity,…
Electrical Interview questions Part 14
Q: How can you start-up the 40w tube lite with 230v AC/DC without using any choke/Coil? A: It’s possible with Electronic choke.…