dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish
RRB,
1903how can we know cable size for a given current? if any one have catalogue plz mail to vijay_raju369@yahoo.co.in
5 22842why in three phase 440 circuit in all phase current is almost equal L1-35 A,L2-34 A ,L3-31 A but in nutral when i check with clamp meter it shows 25 A?
OPS,
4 11730why for transformer protection we protect tranformer from 3rd hormonics and 5th hormonics and what is the reason of generating these horminics in electrical system?
2 8519what is difference between start imitation and start interlock for 3 phase motor protection ?
OPS,
2 69461.Whats the use of GNAC(Generator Neutral Accessory Compartment) 2. why generator or any other system require Neutral Grounding and not Phase grounding 3. what happens if any one of the phase is grounded. 4. if 15kv is grounded directly what will happen, why it should not be grounded like that 5. use of of NGTR(Neutral Grounding Transformer and Resistor) for grounding is helpfull and how
5 25487i have interview in Pepsi company what type of question will ask please send the question and answeer
2988hi frnds can any one help me ? plz send me placement paper of hpcl of Electrical streem .... plz send ....its urgent . The hpcl test is on 17th feb.
1 2976Post New Electrical Engineering Questions
Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?
how can we determine size of a cable by knowing the kw or current rating of a load?how can we calculate the resistance box of a slip ring motor?
if we have a industrial load of 400 kilowatts with 415 volt AC then how much total harmonic distortion (thd%) should be acceptable for steady power system.
What if the difference beween internal and exrteranal LBB?
what is meant by k-rating in isolation transformer?what is k9, k14 stands for?
what is the requirement regarding earthing of Single conductor with AWA
how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)
How can a equal potential zone be carried out in conductors?
Explain the role of a car driver as one of a feedback mechanism.
What is real time power factor control panel(RTPFC)?
Why to keep capacitor bank off while generator running.
How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.
If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these
Sate maximum power transfer theorem?
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