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
how can we know cable size for a given current? if any one have catalogue plz mail to firstname.lastname@example.org 19716
why 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?
What is meant by Active and reactive power?23 87995
why 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 5991
what is difference between start imitation and start interlock for 3 phase motor protection ?
1.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 how5 16462
what you mean by frequency of an igbt& how to find it?1 1529
what is suitable alternative for an igbt?4 4985
i have interview in Pepsi company what type of question will ask please send the question and answeer2021
hi 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 1862
What is the mechanism of WTI
What is the difference between diesel generator engine with and without turbo charger with the same capacity?
where lt & ht capacitor used
how flow current in 220 kv line to line
How many devices can be connected in one zone of FACP
what is the voltages using in movie theaters??? why ??why not other??
what are the things that can cause a three phase motor to crawl?
which metal is use in shunt
Briefly define and explain the following different types of Pulse Amplitude Modulation (PAM) with some examples. i) 2-PAM ii) 4-PAM iii) 8-PAM iv) 16-PAM v) Quadrature Amplitude Modulation (QAM)
what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?
Vibromotor 252MV 1/4HP2P..what is mean by 252MV?
How can I model an open-delta ground transformer for a network supplied by 4 unit GTG and power transformer in ETAP?
what is is the potential diffrence between two phase ?
Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??
I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA