9.The material used for coating the electrode is called........3 18741
10. THE MOST COMMON TYPE OF THREE PHASE IN UNSYMMETRICAL FAULTS IS ........6 10547
why we used stone chips under the transformer area..2 4316
What is meant by term Back to back in HVDC transmission?1 2911
a 120 60 watt incandescent lamp has to be operated from 50 c/sec 1 phase ac supply. in order to do this a circuit element has to be connect in series with the lamp. which one of the following sries element is preferable.1 2700
In a 3 phase,400v,4 wire system, 2 incandescent lamps, one having 230v,100w and the other 230v,200w are connected between r phase- neutral and y phase-neutral respectively. If neutral wire breaks which lamp will fuse first and why?3 11327
a solenoid of inductance 250mH and resistance 10ohm is connected to a battery. the time taken for the magnetic energy to reach 1/4th of its maximum value will be?1 4079
If ac voltage applied to the field of dc generrator the output of dc generator ?1 2683
What is the ms excel 2007?
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