Answer Posted / manpreet chhabra
dc
but i think u should not have to worry abt all dis.
ok.........
get a shock nd den u will have no confusions in ur mind
try to be practical yar......
| Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............
Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?
The size and construction of bushings in a transformer depend upon?
Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?
Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.
what do u understand about FACTS? how they are useful?
How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.
Is there chopping current in resistive circuit
solar energy light efficiency & disadvantages?
why we get 2 differnet values for power factor in 2 watt meter method in 3 phase
Explain RLC circuit?
What is advantages of VSCF wind electrical system?
how synchronous condenser is used in place of synchronous generator with out negotiating IEEE standards? Can i use 3 generators as synchronous generators and 2 generators as a synchronous condensers in an IEEE 14 bus system with out disturbing the standards?
what is mathed of check the D.C MOTOR 181 KW (ARMATURE AND FIELD) WHAT IS THE MATHED OF CHECK THE THYRISTOR MODULE (HIGH CURRENT)
How the over load setting for HT Motors calculated-provided in Numerical Relay