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tell me some type of questions throught which i can prepare for exam and do my best
Can we Co-ordinate relay in Load Break switch?
Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).
What is dynamo?How it works and what is the function of dynamo in a DG.
When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?
3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw
is ac supply can store
1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?
kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased
How can maintain our H.T. motors used in cement plant. please send me procedure.
What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?
redundant connection in contactor?
temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%
What are the advantages of the three-phase motor over single phase motor?
howmany electrician should maintain for a 1000 kva used plant... in kerala..
