what is the frequency standard with tolerance level for India?
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What is difference between slip rings and carbon burushes?
PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.
Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?
how do you choose the cable size as per amps rating & the voltage drop for the same.
1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be
When are the directional relays used?
what is the effect of higher value of GD???
I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.
please send me privious exam's queation papers of section engineer(electrical).
How does cost of generation from hydropower plant compare with other sources of electricity?
How REF protects transformer alone? explain with diagram.
What is the function of under voltage release ?
What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?
How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke
In layman terms, what is the difference of Dielectric strength and dielectric constant when speaking of an insulating oil