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is a normal conductor can be used a core in windings if not what is the winding core speciality.
2 4649can we light the mercury vapour (tube light)with out a 1).starter and 2).choke in our homes if yes explain how?
5 8002kindly,plesae tell me # the working of BTS # ITS CARDS SPECIFICATION # WORKING OF TRX,DUPLEXER,ASMA CARDS,FIFA # HOW WE ROUTE TRAFFICS # FLOW OF SMS,HOT CALLS,CALLS ETC
2045How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?
2 188351. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?
227911. As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why? 12. How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test? 13. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV? 14. Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it? 15. Explain why the Voltage drop will happen in 3 Phase line? 16. What is the equipment used to control the generator output? 17. What are the factors to be considered during the Synchronization? 18. What should be value of Circuit breaker operating time and tripping time? 19. Why the CT Secondary is rated as 5A generally? 20. At which time Synchronous generator act as a Synchronous Condenser?
1 5736
Draw the flow of F.O. diagram from service tank to Main Engine?
What is the importance of earthing?
What is breather frequency of tank?
Fantio of tranformer
how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?
State the disadvantage of a 8-4-2-1 code.
What is commutation angle or overlap angle?
Explain an adaptive / self-tuning controller’s major draw card.
How three wire proximity can be used in place of two wire proximity?
What is transformer utilization factor?
Is there any metal that does not contain iron?
Explain how the active power factor correction changes the wave shape of current drawn by a load to improve the power factor?
what shoud be strength and weakness to impress interviewer????????
For a given bulk solid how can the particle size distribution be determined?
What is the frequency of sampling for the materials of cement,Fine aggregate, Coarse aggregate .and refer which code
