Electrical Machines Armature reaction depends on which of the following? magnitude of load current power factor of load both 1 and 2 None of these magnitude of load current power factor of load both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with Reluctance motor. Synchronous motor. DC shunt motor. Slip ring induction motor. Reluctance motor. Synchronous motor. DC shunt motor. Slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulator is preferred for providing large values of load current? None of these Zener diode shunt regulator. Transistor shunt regulator. Transistor series regulator. None of these Zener diode shunt regulator. Transistor shunt regulator. Transistor series regulator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is greater than the primary. less than primary. any of the above. equal to primary. greater than the primary. less than primary. any of the above. equal to primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of 1.5Hz 2.5Hz 51.5Hz 48.5Hz 1.5Hz 2.5Hz 51.5Hz 48.5Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For higher values of armature, the speed of a DC series motor is Constant. Proportional to armature current. Inversely proportional to armature current. Proportional to the square of armature current. Constant. Proportional to armature current. Inversely proportional to armature current. Proportional to the square of armature current. ANSWER DOWNLOAD EXAMIANS APP
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