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is a normal conductor can be used a core in windings if not what is the winding core speciality.
2 4653can we light the mercury vapour (tube light)with out a 1).starter and 2).choke in our homes if yes explain how?
5 8003kindly,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
2048How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?
2 188421. 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 5742
What is the difference between uv and ir scanners? and what is the workig principle of both
Write down the design procedure of commutaj.
CALCULATE THE TOTAL VOLTAGE DROP AND SELECT THE CABLE SIZE IN MM-SQARE FOR A PANEL-262KW AT 110 METER FROM THE SOURCE SUPPLY , SUPPLY VOLTAGE 240/415
Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected
Can a transistor be obtained by connecting tow semiconductor diodes back-to-back?
How to calculate VCB rating for 33KV ,25 MW Power line?
What are the factors influence the choice of an electrc drive?
what type of question has been asked at schwing stetter
any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.
What is the engine efficiency range in two stroke engine?
how the material no. 2062 will mild steel of desity 7.85? what are the other codes?
What is dc current source? Differentiate between ideal and non ideal current sources?
What is Fire Panel ? How it works ?
what is tension & compression of steel bending.
What materials are used in thermo wells?
