Answer / murugesan

insulating

Answer / ranjit

crude oil

Answer / akshay

coolent oil is used for cooling the teransfamoer .

Answer / asesha

as u know oil in transformer used to cool....
so as from basic law navratna oil is used ....
simple

Answer / ys.kumar.

poer oil is used 4 tr/fr..grade i dont know perfectly..

why do we prefer alternating current in india where as in USA prefers DC?

3 Answers   Bhel, GMR, Texmo,

an amazing situation was faced when an alive distribution panel with 415 volts and carrying almost 200Amps has become short and this metal cubical showing 220 volts against neutral and earth. to redress any confusion i checked the panel with help of single 200watts test lamp which also glowing with max.intensity b/w neutral & metal body of DB. amazing situation is that i hold the DB firmly more than once with necked foot means without insulated shoes but not received any electrical shock. whereas our all running gen sets neutral points also proper grounded and this short DB was completely earthed , this is beyond my understanding . any body explain how is it possible . our running gen set neutral also grounded firmly

1 Answers  

For 1 KVA load how much KVARH capacitor can be used ?

3 Answers   NLC, TNEB Tamil Nadu Electricity Board,

how the grounding[earting] is achieved on ships.

1 Answers  

What are n circles?

0 Answers  

how will u exactly calculate the unit consumption of the Air conditioners?Split/Window/

3 Answers  

I need the list of Universities who have summer intake for BS degree in Electrical Engineering.?

0 Answers  

What is the physical significant of power factor?

0 Answers   Cooper,

What is relation between mu(nought) and epsilon(nought)?

0 Answers  

In batteries after completion of charging which colour gas is emitted from it?

2 Answers   Essar,

can you check the current and voltage of a 12 V battery by a digital multimeter in this fashion that apply the digital multimeter across the battery terminals directly ? say yes or no ... i sais yes ........... is this true or false ? plzz tell me and also explain ........ plzz thanks

4 Answers  

need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

0 Answers