Why ammonia is used as buffer solution in estimation of copper by EDTA method

1872

1. 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?

2284

What is one of the core types in react?

409

how to identify conection leads of an unknown electric motor

2153

Need of Bank Reconciliation to a company

2216

What is the purpose of dampening roller

1725

HOW TO FILL PURCHASE RETURNS IN VAT 200,IF NOT PURCHASES THE PERIOD?

2004

. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?

3351

Can we force the garbage collection to run?

965

What are the different classification of the timing control?

1120

What are the new features of d365 ?

5

How is xhtml better than html?

888

What is substring 1 in java?

1170

difference between semiconductor & conductor & insulator?

2382

What is difference between array and collection?

1101