what is the min and max ohmic resistance for the earthing
rod installed for lighting poles for street light network
when we connect a ceiling fan to a inverter's output voltage, it give some noise, why?
How will polarity test of Dy5 Transformer ?
How to calculate the multiplying factor for energy meter with ct ratio given
what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR.
What is meant by reset level of the relay?
What is an electric arc?
please send previous exams question papers
how you taken aotitude test
why we use choke in tubelights nad other lighting fixer
how can we test the vector group of transformer
Why we are using only Dyn11 tranformer in distribution system but not using a Dyn1 in distributing system?why not and advantage and disadvantage in both
In an panel board if the outgoings are power plugs and motor equipments...what should we choose as the incomer of the of the panel board?? MCCB OR ISOLATOR?? Should we use ELCB protection??if so where??
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