why we use salt for earthing?
how the transformer stables out zone faults? Because we use non directional O/C relays .Is there any special considerations are taking into account to overtake this?
In 1000KVA Transformer why does we connect HT with delta connection and LT with star connection.Illustrate by showing formula?
How vaccum is formed to create a vaccum interrupter or anything related with vaccum?
ABOUT AC GENARETORS AND MAINTANANCE AND TYPES OF GENARETORS
what composit error,ratio error,phase error in CT and PT??
difference between analog pressure gauge & digital pressure gauge?
Difference between PLC and SCADA ? What are merits & De-merits of PLCs ? What are merits & De-merits of SCADAs ?
In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?
what happens when back feeding supply accidently collapses with normal supply ??? How?? [that is sometimes in a substation 11kv feeder if their ws long time permit work, back feeding supply will provide from nearest substation... if accidently after the permit work,they charged the feeder without removing back feeding wat will happen...?]
What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i
My meter CT is 200/5amps Then my electrical meter MF=???please suggest
what type of questions are asked and howmwny questions belong this catagory?