what is active power and rective power and power factor1 2195
why a pilot exciter is used in combination with the main exciter? why not only a main exciter is used for excitation to an alternator?1 3151
If NO contact of relay gets supply from other sources or other part of circuit and at a time relay coil activates,then current will flow in which direction & will it cause to damage relay??1 1547
What is the RME and explain the full form and what is the RME work?
AC covered area by ton calculation2 2226
150 hp moter how many kwh in 1 hour and what forfula 3 phase kwh.5 4478
Specify the crystal frequency required for an 8085 system to operate at 1.1MHz1 7497
How much ampere can withstand for 2sq mm c able?2 2784
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
I Want randstand placement papers
I want to put this query to SENIOR & EXPERIENCED ELECTRICAL ENGINEERS. 1)I want to know about the control circuit diagrams for control panels. I found it difficult to understand. Is there ant booklet through which we can learn the circuit diagrams? 2)I want to learn about conduiting, laying cables, preparing cable schedules and various techniques which is the part of building infrastucture(construction field). I don't have any experience in this area. I have experience in control panels only. that's why i am not getting any opening in building infrastucture (construction field).Can I get the job in this field as Trainee Engineer? How to enter this field? I need job in PUNE
While testing a ZCT what parameters have to check or measure?
what is the difference between electrical and electronic choke?
What is difference between Over Current & Earth Fault protection?
Dear Respected sir how to test ABB REX521 protection relay by relay tester.
How to calculate the size of earth cable to earth the neutral of UPS ?
mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....
How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.
What is critical disruptive voltage?
why we used ZNO in Lightning arrester.
What Normal(Tangent) towers and Tension(Cut-point) Towers?
what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?
how brushed dc motor operating ?