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 Categories >> Engineering >> Electrical Engineering       
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  Question  Asked @ Answers Views     select
How many methods to take IR value of Current Transformer?  1  1304
why autotransformers are not safe for supplying low voltage from a high voltage source?  5  998
Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.  0  660
what current is taken from a double wound 500kva transformer  4  802
what is the tolerance for the magnetic balance test conducted on the distribution transformer?  0  272
what is the differn bitween RCCB &MCB  3  1840
what is b checks and m checks in diesel generator maintenance?  0  275
how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?  1  541
what should be the megger test report for 11KV cable when meggered with 5KV megger , what is the resistance value we should get  7  3296
how we can calculate power factor without knowing current in 230v 100w load ?  10  1767
What is the List of Equipments, Instruments, Components required in Transmission of electricity from 1 substation to other substation(The equipments required in substation too)? What are the differnt IS standrds used for above equipments in Industry?  1  1423
What is the pratically meaning of neagative going ac current.  1  571
Why a transformer is rated in kVA and not in kW??  8  1996
my self i am raghu working as tech.. in my college the maximum demand is 211 kva presently we are using 12kva capacitors the target power factor is .95 so what capacity of capacitor banks should i install  2  604
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Un-Answered Questions
 Question Views Asked at   Select
What must be the minimum distance maintained between 2 Generators as per International standards? 164  
why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc? 116  
If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer. 640  
how to generator maintenance (A Check, B check,Etc) 137 HCL
i need to give section engineer (electrical engineer) for RRB. Please suggest some book 198  
What is the difference between the impedance percent and impedance voltage ? 117  
Why does inductive loads consume KVARs? 154  
What is Instantaneous Earth fault relay,how will work 130  
explain safety measures in alternator? 130  
whatdo mean by chopper fed drives.used for ac drives. 103  
When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva? 129  
what type of questions are asked and howmwny questions belong this catagory? 232 RRB
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