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What would be the ratio of a Delta-Wye tranformer having 48000 volts phase to phase on the primary and 4160 volts phase to phase on the secondary?
5 7759Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.
2180I have applied the post Junior Engineer-iii(c&w)in R.R.B chennaI recently . can i get any model question paper LAST 4 YEARS?
2 8924Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.
1 7918how can we represne the analog signal and digital signal if want to measure the speed and we have to use PLC
2 5144how would you come to know if a transformer is double wound or auto? note that there is no tag. you are given only a multimeter.
5 17570Post New Electrical Engineering Questions
How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?
why core is useful for a transformer ?and also in its operation ?
How efficiency of thermal plant can be improved?
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
How can we calculate the motor frame sizes?
why we use 630mm single core cable for transformer secondary side and why two neutral cable
what is the relation between size of the anteena and wavelenghth of radiated wave
What are the types of the glands and difference between single and double compression type of cable Glands.
Explain the propagation of harmonics in the network and influence of phase angle of harmonics.
True or false question. 1.The fuse provide phase and neutral 2.power loss in electrical circuit can take place in (resistance or inductance or capacitance). 3.two phase system each phase has separated by a phase difference of (90 or 180 or 270 or 45). 4.3 phase balanced star connected load neutral current shall be (line current or phase current or zero or unity)
CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)
why various test are performed on electrical panels & power cables before commissioning on site & what are these test???
Why 3 phase induction motor getting supply in body if one of it's phase is cut
i want to know how to determine that a surge arrester work properly in 11kv system. and how to test a 12kv surge arrester
How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?
