Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 15 HP. 14 HP. 10 HP. 13 HP. 15 HP. 14 HP. 10 HP. 13 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reluctance and hysteresis motors are the types of which electrical motor? 1 - Φ synchronous motor. 3 - Φ induction motor. DC motor. Stepper motor. 1 - Φ synchronous motor. 3 - Φ induction motor. DC motor. Stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in current transformer. power transformer. earthing transformer. voltage transformer. current transformer. power transformer. earthing transformer. voltage transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field connection of a DC Shunt Motor is changed then it will run in opposite direction. it will run in same direction by slowly. it will run in same direction. motor will not run. it will run in opposite direction. it will run in same direction by slowly. it will run in same direction. motor will not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor the 7th harmonic torque may make the motor rotate at (1 / 7)th synchronous speed. This is called resonance. crawling. harmonics. cogging. resonance. crawling. harmonics. cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of a permanent magnet dc motor is 0.8 Ohm. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be 59.2%. 57.1%. 48.0%. 88.8%. 59.2%. 57.1%. 48.0%. 88.8%. ANSWER DOWNLOAD EXAMIANS APP
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