Electrical Machines In DC machine, the armature windings are placed on the rotor because of necessity for development of torque. electromechanical energy conversion. generation of voltage. commutation. development of torque. electromechanical energy conversion. generation of voltage. commutation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor will none of these. remains same. Decrease.d increase. none of these. remains same. Decrease.d increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss increase. decrease. remains constant. None of these increase. decrease. remains constant. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series booster is a permanent magnet DC generator. shunt wound DC generator. series wound DC generator. separately excited DC generator. permanent magnet DC generator. shunt wound DC generator. series wound DC generator. separately excited DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with Reluctance motor. Synchronous motor. Slip ring induction motor. DC shunt motor. Reluctance motor. Synchronous motor. Slip ring induction motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip speed is the sum of synchronous and rotor speeds. difference of actual rotor speed and synchronous speed. half of the sum of synchronous and rotor speeds. difference of synchronous speed and actual rotor speed. sum of synchronous and rotor speeds. difference of actual rotor speed and synchronous speed. half of the sum of synchronous and rotor speeds. difference of synchronous speed and actual rotor speed. ANSWER DOWNLOAD EXAMIANS APP