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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  2131
Are same transformer be employed for step up and step down services?  3  787
On what basis primary and secondary of a transformer is chosen?  2  766
how to male a d.c bettery to blow a 230v bulb?  1  775
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  1934
How to protect the water pump by no load running. Cushman-Wakefield  8  1435
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  550
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  648
In UPFC,What is the need for Dc link ( DC capatior)?  1  753
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  476
why microprocessors are named as 8085 ,8086 etc? what's the reason for this??? Bhel   11  6594
what is basically a pulse transformer?  1  1183
what is relay multiplier Wipro   1  874
whose motors self starting synchronous or Induction motor?give fact reason why not self starting another mother  2  676
SSC JE ELECT. SSC   1  3781
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Un-Answered Questions
 Question Views Asked at   Select
how can calculate 1kva generator running time in 1 liter keroscene 163 Kirloskar
how to find impedance , mutual indatnce in transmission lines 144 NTPC
how to set relay setting? and example calculation... 122  
What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance. 135 JLL
what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used? 289 Reliance
i will applied in 1U-1W on 440 volt primary delta side. what is the result of magtic balance test 170  
whenever any squirrel or a crow falls on the transformer input line then there is a big explosion and 440 volts of power is being discharged through the neutral line due to which appliances in off mode are also burned.we have earthing for the transformer as well as the bus bar chamber.why is it happening? 100  
why occ characteristics of generator is also called as magnatization characteristics ? 152  
We are preparing another project which involves Waste heat recovery from a 1 MW GE Engine. The Engine in particular gives out flue gas at 487Deg C with a flow rate of 5650 kg/hour and this can be cooled to 180 Deg C. This gives a thermal output of ~ 594 KW that is available for input to VAM via heat exchanger / boiler. Additionally 581 KW will be available from engine jacket water (temperature profile 80/ 80 Deg C and a flow rate of 50m3/hr) Our estimation is that 300 TR of cooling is possible with a suitable VAM machine(s). Please advise what is the most suitable arrangement with maximum TR and min Capital expenditure. plz reply me as early as possible 127  
What is meant by cold loop test in instrument 197 Transnet
which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor? 156  
For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage? 112 GEPL
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