Explain UPS
why the power factor in inductive load is lagging while it is leading in capacitive load?
Motor,transformers,capacitor tubelight etc....
What are options used for earthing the switchgear.
how to calculate vfd o/p voltage by frequency
why bucholtz relay placed inclined in transformer?
what do you mean electrical earth pit?
In what voltage EHT works(133/132/33/66kv?
whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?
i ha done my 10th with 71% ,ITI with 81% 11th with 75% 12th 43% apprentiship with 71% in SAT i secure 1390 ,TOEFL 27 i was refused four times and in all me interview visa officar told that i am not Qualify for study in USA but i completed my 12th yes i got low persentage in my 12th but i seen to much student they already got visa with them 3 or 4 backlocs so why they are refused me ?
ELCP USE IN 3 PHASE SUBMERSIBLE PUMP? THEN USE 3 POLE 0R 4 POLE?
redundant connection in contactor?
What is stepper motor?