Q1. Difference between a four point starter and three point starter?
Q2. Why use the VCB at High Transmission System ? Why can't use ACB?
Q3. What is the difference between surge arrestor and lightning arrestor?
Q4. Explain the working principal of the circuit breaker?
Q5. How many types of colling system it transformers?
Q6. There are a Transformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?
Q7. what is power factor? whether it should be high or low? why?
Q8. What is the difference between Isolator and Circuit Breaker?
Q9. what is boucholz relay and the significance of it in to the transformer?
Q10. What is SF6 Circuit Breaker?
Q11. what is ferrantic effect?
Q12. What is meant by regenerative braking?
Q13. Why is the starting current high in a DC motor?
Q14. What are the advantages of star-delta starter with induction motor?
Q15. Why Delta Star Transformers are used for Lighting Loads?
Download Answers Link 1
Link 2
Link 3
hi.thanks for such informative questions and answers. It was really helpful.
ReplyDeleteLightning Arrestors