Electrical Machines In DC machine torque depends on which of the following? speed flux (φ) both A and B armature current (I) speed flux (φ) both A and B armature current (I) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? Synchronous motor. DC series motor. Separately compound motor. Shunt motor. Synchronous motor. DC series motor. Separately compound motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on pole faces. rotor shaft. stator frame. None of these pole faces. rotor shaft. stator frame. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulator is preferred for providing large values of load current? Transistor series regulator. None of these Zener diode shunt regulator. Transistor shunt regulator. Transistor series regulator. None of these Zener diode shunt regulator. Transistor shunt regulator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Resistance commutation is used generally in case of fractional kW DC machines. None of these DC machines above 10 kW. DC machines bellow 5 kW. fractional kW DC machines. None of these DC machines above 10 kW. DC machines bellow 5 kW. 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 25 Hz 50 Hz 40 HZ 60 Hz 25 Hz 50 Hz 40 HZ 60 Hz ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS