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hii.i am a B.TECH(EEE) graduate.i want 2 know wat type of qusns r asked in sbi clerk interview 2 candidates like me??kindly post answers ASAP..
1 2569How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?
NTPC,
1 4739A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03
1967ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com
3376why voltage form factor of PT are increase , when it is ecpected heigher spikes in system. how it is calculated.
HAL,
2095what is the difference between the following 2 situations ? 1)Line & Neutral=240V Line & Earth=230V Neutral & Earth=10V 2)Line & Neutral=230V Line & Earth=240V Neutral & Earth=10V
2 6555What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.
TATA,
2275Post New Electrical Engineering Questions
what is p.s impedance measurement test in earthing transformer?
i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?
sir i have cleared the apti test of EIL held on 15th march and my interview will be in new delhi on 2nd june.i will be very much helpful if u help me regarding the type of interview questions comes at EIL.(URGENT.........PLZZZZZZZZZZ...............)
What is the difference between resistance grounding system and resistance earthing system?
what is the basic need of domestic loads 1- voltage 2- current
Dear sir my name Ankit i m Diploma holder present working in Welspun Corp ltd Anjar as Asst.engg (salary 14400/month ctc) i Would like to change my company also i have selected in ford India pvt ltd Sanand as trainee Tech with salary 12000/month so please suggest me for changing my job hope for *ve response
how to avoid Saturation in C.T?
why there using acb enclosure in big buildings
How to work definite,over pluxing,revers power,OSR relay
Why does the rotor rotate?
A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.
How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator
what are the differant std sizes of cable trenches?
how much winding resistance of 0.75kw to 12.5kw 3ph sqwiralcage induction motor?
Why 11kv to be generated in generation station
