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why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?
1 3973how to calculate Amp, 2 different Amp of batteries? Example: No. of Batteries = 2 Battery voltage = 12V 1st Battery rating = 17AH 2nd battery rating = 30AH between parallel connection then output volt 12v Amp?
2 5250For 6600/433 distribution transformer we apply secondary side 433 volts how much voltage in primary side.
2 5020whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?
1 3364how could we findout the lightning arrester failed or not in live circuit? Is there any instrument to measure the high voltage at the time of sky lighting?
1 3945Post New Electrical Engineering Questions
why in a swquence network representation, the negetive sequence generated voltage is taken as zero?
What are the Return ( Monthly / quarterly/ Annual submitted to Electical Inspector for an establishment (Factory in Maharashtra-- Small scale category having seperate HT line of 22KV ) as per Maharashtra Electricity Act
why is the conservator tank painted white on the transformer
we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes
What are the two major types of control system?
In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?
WHY BLADE & JOW OF ISOLETOR IN SUBSTATION?
How isolater function when installed inelectrical 440V wiring
How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend
Explain the difference between verilog task and verilog function?
State the methods of improving power factor?
can you plz send l&t aptitude questions if available its urgent plz plz plz
Pleae send me last 5 years of Question book about RRB chennai.
How to calculate Air conditioning capacity for a telecom BTS shelter?
Why different Pressure switch used in marine boiler water circulation system
