BSNL TTA EXAM QUESTION
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Sir, plz tell me the relation b/w KW and frequency in Variable frequency Drive?
IF DISTANCE IS 100METERS B/W AMP.METER AND CURRENT TRANSFORMER WHAT WILL BE AFFECT IN ACCURACY .METER CAN SHOWING ACCURATE CURRENT OR NOT IF NOT WHAT CAN I DO TO GET 100% ACCURACY.
What is flow meter?
How a generator is positioned in a hydroelectric power plant?
Why design 150Hz in Exciter
What are the maximum and minimum ratings of MCB,MCCB,ACB,OCB,VCB and SF6 breakers?
2 Answers ABB, SK E&C, Sodexo,
HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER
For what purpose and why ACBs are used
what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that
how to find the Motor,s insulation Power?
Does the ELCB or RCCB trip when it is connected to a primary side of a welding transformer?
what is tesla ?
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