Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as f f² V² V f f² V² V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? half load any of the above full load no load half load any of the above full load no load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the function of inter pole in DC generator? To serve the economical aspects. To get a superior commutation. To neutralize the distortion of main field flux due to armature reaction. Both option B and C. To serve the economical aspects. To get a superior commutation. To neutralize the distortion of main field flux due to armature reaction. Both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 30° 18° 36° 72° 30° 18° 36° 72° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is slip X 69 / 3. slip X 59 / 3. slip X 50 / 3. 1. slip X 69 / 3. slip X 59 / 3. slip X 50 / 3. 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For standing a DC motor a starter is required because it limits the starting current to a safe value. it limits the speed of the motor. It starts the motor. None of these it limits the starting current to a safe value. it limits the speed of the motor. It starts the motor. None of these ANSWER DOWNLOAD EXAMIANS APP
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