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 Categories >> Engineering >> Electrical Engineering       
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  Question  Asked @ Answers Views     select
How are calculated the aluminium busbar cross section area?  2  2170
Are same transformer be employed for step up and step down services?  3  795
On what basis primary and secondary of a transformer is chosen?  2  776
how to male a d.c bettery to blow a 230v bulb?  1  780
Can a 50-Hz designed transformer be used at 60-Hz system? Is the same remains true, when a 60-Hz designed transformer be used at 50-Hz system? Consider only frequency variation. The voltage remains as rated value in all cases. Justify the answer.  1  1953
How to protect the water pump by no load running. Cushman-Wakefield  8  1454
Hello, im taking an introduction to PLC..and i'm having a hard time on creating a program for 2 lamps blinking alternately with this button characteristics: 1.) One push button (starts upon pressing) 2.) Same push button (when pressed again, will pause the system) 3.) Same push button (when pressed again, will continue the paused system) 4.) Same push button (when pressed within 2 seconds, will shut off the system) Pls..i know this is just a simple problem for you guys..  2  551
In n high voltage 11kv system What happened if 1 of CT cable (IDMT) loose.Will e/f or o/c trip.please explain detail  1  658
In UPFC,What is the need for Dc link ( DC capatior)?  1  769
Can a transformer designed for a particular voltage and frequency rating be used for different set of mentioned ratings? Assume that the winding does not get burnt because of overheating at higher voltage. If yes, then under which constraint it is possible?  1  479
why microprocessors are named as 8085 ,8086 etc? what's the reason for this??? Bhel   11  6690
what is basically a pulse transformer?  1  1207
what is relay multiplier Wipro   1  905
whose motors self starting synchronous or Induction motor?give fact reason why not self starting another mother  2  684
SSC JE ELECT. SSC   1  3851
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Un-Answered Questions
 Question Views Asked at   Select
what are the advantages and disadvantages of oil filled cables over XLPE cables 1863 Areva
What is Traction? 1KVA Alternator, How much urrent taken? 136 Bhel
What safety precaution are to be taken for avoiding electric hazards ? 135  
if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required 445  
why would the rotor rotate at sub synchronous speed against the direction of rotating flux when d rotor of 3 phase IM is connected to 3 phase balanced supply and the stator windings are shortcircuited ?? 202  
what is ground fault in ACB? 165  
Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare??????? 154  
What is the role of power pack in substation protection system? 221 Facor
is it necessary to earth the rmu before cutting off the transformer winding?if yes why? 182  
How to decide whether A / B / C / D curve type MCB should be used? 205  
In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.] 134  
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