Electrical Machines Which of the following represents the rotating losses of machine? Eddy current losses Friction and windage losses All of the them Hysteresis losses Eddy current losses Friction and windage losses All of the them Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is 60 Hz 25 Hz 50 Hz 40 HZ 60 Hz 25 Hz 50 Hz 40 HZ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of poles. number of parallel paths. number of pole pairs. number of commutator segments. number of poles. number of parallel paths. number of pole pairs. number of commutator segments. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a step down transformer which one of the following statements is true? Secondary power is less than primary power. Number of secondary turns is less than primary turns. Secondary current is less than primary current. Number of secondary turns is more than that of primary. Secondary power is less than primary power. Number of secondary turns is less than primary turns. Secondary current is less than primary current. Number of secondary turns is more than that of primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous generator, if mechanical input is increased with constant excitation, the load angle will either increase or decrease decrease increase None of these either increase or decrease decrease increase None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of the dc motor is generally of the range 50 ohm. 100 ohm. 0.5 ohm. 0.1 ohm. 50 ohm. 100 ohm. 0.5 ohm. 0.1 ohm. ANSWER DOWNLOAD EXAMIANS APP
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