What is potientiometer.What is the use of it.1 3677
What are the types of relay ?3 4849
How to increase home power factor? Can we connect capacitor directly? How to select capacity of capacitor?5 6458
why only 11kv level is used for transmission purpose? why not 230v?7 11964
what is meant by unity power factor?unity means one why dont call 2,3,4......?6 7880
What is percent age of scrap of wires as per IE Rule Clause No in wiring for House and Industrial wiring ?3 2904
how does damper winding produces torque in synchronous motor?1 3920
1.what is meaing of ups,and used in softwares and sud stations,and main partes in ups. 2.main partes of the Disel Genarator. 3.main partes of the chiller and safty equipments.2 3193
1.Difference between vcb and Acb and partes. 2.Difference between STS and ATS.2 5388
with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen949
How to identify Motor leads in their order coming out from winding without tag (U1, V1, W1 & U2, V2, W2)?
Why we use Y-Y connection in power transformer (8-10 MVA, 132 kV to 11 KV)and D-y in distribution transformer (2 MVA, 11 KV to 440 Volts)?4 8907
For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?1091
why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.1119
how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions .
Block diagram of Power line communication?
What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?
If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these
How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.
advantages & disadvantages of Lagging and leading power factor .
HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.
The loads are connected with phase and ground then why current flow as the loads ?
How LT megger works ?
Draw transformer phasor diagram.(full load,no load)
can u describe the method used for protection of transmission line.
electromechanical relay type identification example : type=tjmh t-stants for j- m- h-
What are the types of feedback oscillators?
in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.
tell me about roaster switch .& what is the function in transmission & distribution?