why 6.6,11,22,33,66kv? what basis they have considered?5 3707
HOW CIRCUIT BREAKER RATING CALCULATED?WHAT ARE THE PARAMETERS CONSIDERED?5 11350
Wat is da difference b/w neutral earthing and unearthed system?2 2903
what is residual current....1 1581
what happen "when Dyn11 is parallel operation with Dyn1"?9 9541
Earth Resistivity2 2973
on what priciple transformer works on?5 2855
RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV BUT WE KNOW THAT LIGHTENING ARRESTER IS USED FOR OVER VOLTAGE PROTECTION SO WHY NOT THE RATING OF LIGHTENING ARRESTER BE MORE THAN 11KV ???????????????//5 26127
what are the type of motors3 2497
I have cleared IOCL written exam(Electrical). My intv is on 6/9/2008.can anyone guide me & tellme abt intv questions.
how dc ct works?3 3397
what is the difference between inverter and ups & what is the earth resistance for ups , if its high why so3 3710
1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?
Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job
I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain
give 5 differences between relay and contactor
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
How to decide CT & PT ratings for a given transmission line carrying some rated voltage?
How is the percentage impedence of a transformer fixed at design stage???
how test transfomer(3 phase75kva) by megger
How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.
if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.
what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?
Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?
Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?
How many kinds of E.L.C.B and how to work E.L.C.B
why on delay timer used for fully automatic star delta starter?