magnetizer priciple
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Rules and standards of electrical control wiring ?
why DOL starter is use in induction motor as it is not reduce the starting torque
1.what is surge 2.what is lightning 3.what is switching 4.difference between surge,lightning,switching used in power system 4.definition of surgearrestor,lightningarrestor 5.adv and disadv of surgearrestor,lightningarrestor 6.uses and purpose of surgearrestorand lightning arrestor 7.block dia of surge arrestor 8.blockdiagram of lightning arrestor 9.operation and working of surge arrestor and lightning arrestor 10.basic formula of surgearrestor and lightning arrestor 11.basic diagram of surge arrestor and lightning arrestor
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how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.
Which of the following plant has less plant factor ? -Nuclear -Hydro -Diesel -Pumped storage
True or false question. 1.The fuse provide phase and neutral 2.power loss in electrical circuit can take place in (resistance or inductance or capacitance). 3.two phase system each phase has separated by a phase difference of (90 or 180 or 270 or 45). 4.3 phase balanced star connected load neutral current shall be (line current or phase current or zero or unity)
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Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.
what is the maximum Load capasity in LV-Panel,MDB,SMDB & Final DB'S in Electrical disribution system?
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what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system