low voltage distribution is done by a)3 phase 3 wire b)3 phase 4 wire c)single phase3 3177
why u want to work in sail/ntpc as u r already in an it company where life is good, good environment no much tensions etc?
% voltage variation in distribution a)1% b)5% c)10% d)15%2 2311
which turbine has high thermal efficiency a)open gas turbine b)close gas turbine2 2211
Simple calculation of improving power factor?5 5261
What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???
WHY THAT THREE COLORS CHOOSEN IN 3 PHASE? WHAT IS MEAN BY RYB?2 4269
how many bulb of 60watt at 300volt is used to maintain 0.25 amp.with valid reason?4 3854
What happen if ac supply is fed to rotor of the alternator?1 2170
When a fourth resistor is connected in series with three resistors, the total resistance
When one of three series resistors is removed from a circuit and the circuit is reconnected, the current1 2394
All the voltage drops and the source voltage added together in a series circuit is equal to2 2450
how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............
How can ou verify the size of conductor 50Sq.mm ACSR
we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.
why is the conservator tank painted white on the transformer
how to failure indution motor insulation & how to improve heat in motor insulation
hi frenz,its aswathy.i hve aplied for the hpcl test on feb,pls send the test patern & the placement papers as soon as possible. mail-id :email@example.com
What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?
Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.
How to select a contactor? How many types of contactors are available
what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.
is it possible to say motor horsepower number without seeing name plate(when name plate damaged)
What is the most accurate way of testing ELCB?ELCB is better than RCD?
What is the comparison of PILC and XLPE cable
What happens if we give the supply to the rotor of induction motor and make its terminal shorted?
What is open delta Xformer? It's adavntages & Use?