what is principle in relay testing kit?3 4798
how we can calculate which capacity capacitor bank we have to add for improve pf?3 10644
what is the difference between LT and HT power supply?26 150395
what is zero sequence curr ent ?4 14517
why we cant use AC supply products in DC supply?21 9182
why 3 phase motors are preferable over single phase motors ?4 3134
how to select cable size?4 7201
what is the purpose of starter in tube light?what is it operation .1 3084
1)Why electric shock is feel ?? n in a Electric Train why we didnt feel that ? 2)What is the reason for transformer Noise ?? 3)What is relation b/w Transmission Lines & Communication Lines ? 4)Which material is used for making Transformer oil & How u measure its dielectric strength & Name the test ?14 15155
To check the earth condition (In plug points); the voltage between earth and Neutral is in below 5 volts. Is it correct6 3794
Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??1131
hai iam arunkumar. i have applied for an section enginner in rrb. i want lat 5 years solved question papers. if u have please sedn it to email@example.com
what is the relationship between current&voltage in practical purpose ?
what is harmonics? what are the factors it will depend upon
1.main parts of generator? what is used A-check,B-check,C- check? 2.what is FM200 system in data centers? 3.difference between pac,ahu?
how to CHECK CT AND PT AT THE FAULT OCCUR IN GENERATOR RELAY PANEL .
Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks
how the phase convertor changes the no. of phases
How to Design green buildings services? What is the advantage to design green building?
Sir, I have applied for the of Jr.engineer(Electrical & Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please send me all RRB Boards solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible (firstname.lastname@example.org). (This is very urgent) Thank You,
in shunt clippers why a resistor is used in sereis with the input
if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)
what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks
explain with diagram how to protect transformers and substations from over current with help of CT's?
What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?
why does rotor rotets?