Electrical Machines Field weakening method is also called as-----------? constant voltage control constant current control constant power control constant torque control constant voltage control constant current control constant power control constant torque control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5 Ω and back emf of 200 V is 40 A. 44 A. 400 A. 440 A. 40 A. 44 A. 400 A. 440 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is zero leading unity lagging zero leading unity lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be 50. 80. 18. 36. 50. 80. 18. 36. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is sinusoidal flat-topped co- sinusoidal rectangular sinusoidal flat-topped co- sinusoidal rectangular ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type series generator. short - shunt generator. level compound. shunt generator. series generator. short - shunt generator. level compound. shunt generator. ANSWER DOWNLOAD EXAMIANS APP
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