Answer / chandramohan

mineral oil

Answer / manasa

mineral oil is used in transformers.

Answer / natha

mineral oil.for more details on testing and other standards please visit this link
http://www.bis.org.in/sf/etd/ETD03(6251).pdf

Answer / bhuwneshwar

MINARL OIL

Answer / vishal

crude petroleum oil

Answer / abdul ghouse

This is usually called Vegitable oil or Transformer oil

my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.

0 Answers  

What is PCCB?

3 Answers   ICEL, Schneider,

i am using auto transformer for starting of induction motor to provide reduse voltages...but the principle of a tansformer according to definition"which transform energy to on circuit to another circuit with constant power and constant frequency". so if i am using reduse voltage then current obsely hige because power is same.but we use auto transfarmer for starting of induction motor to give low current.but here according to definition we are giving hige current.

0 Answers  

why choke is provided in the centre of the tube light?

3 Answers  

in 3phase 50kva dg what is the full load current for single phase laod

6 Answers  

Why field resistance is greater than the armature resistance in dc mechine

1 Answers   Cape Peninsula University of Technology,

What are the different parts of Alternator and how it works?

1 Answers  

what is difference between neutral& grounding?

6 Answers  

whatis mean by voltage?

7 Answers  

what is the function of a starter in a motor? explain RLC circuit.

14 Answers  

why the star delta motors burn out frequently

1 Answers  

why the efficiency of generator is more than the motor in case of swinburne's test????

1 Answers