Electrical Machines On what factors the speed of dc motor depends? Field flux. Applied voltage. All of these. Armature current Ia. Field flux. Applied voltage. All of these. Armature current Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 1 KVA, 230 V, 50 Hz, single phase transformer has an eddy current loss of 30 watts. The eddy current loss when the transformer is excited by a dc source of same voltage will be zero watt more than 30 W 30 W less than 30 W zero watt more than 30 W 30 W less than 30 W 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 50 / 3. 1. slip X 69 / 3. slip X 59 / 3. slip X 50 / 3. 1. slip X 69 / 3. slip X 59 / 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has the highest power factor at full load? Shaded pole Capacitor run Resistance split phase Capacitor start Shaded pole Capacitor run Resistance split phase Capacitor start ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of higher flux density in the transformer design has no relation with the weight of transformer None of these increases the weigh per KVA reduces the weigh per KVA has no relation with the weight of transformer None of these increases the weigh per KVA reduces the weigh per KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 13 HP. 14 HP. 10 HP. 15 HP. 13 HP. 14 HP. 10 HP. 15 HP. ANSWER DOWNLOAD EXAMIANS APP
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