Electrical Machines The slip of an induction motor normally does not depend on core loss component. rotor speed. shaft torque. synchronous speed. core loss component. rotor speed. shaft torque. synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the rotating losses of machine? Hysteresis losses All of the them Eddy current losses Friction and windage losses Hysteresis losses All of the them Eddy current losses Friction and windage losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately excited DC motor has an armature resistance of 0.5 Ohm. The supply voltage is 250V. Armature current is 20A and the speed of rotation is 1500 rpm. Find the torque developed? 16.55 Nm 15.28 Nm 15.6 Nm Zero 16.55 Nm 15.28 Nm 15.6 Nm Zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will happen if the the supply terminals are reversed in case of a DC shunt motor? The motor will run at its normal speed in the same direction as before. The motor will run much faster in the same direction. The motor will stop. The motor will run in reverse direction. The motor will run at its normal speed in the same direction as before. The motor will run much faster in the same direction. The motor will stop. The motor will run in reverse direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with Reluctance motor. Slip ring induction motor. DC shunt motor. Synchronous motor. Reluctance motor. Slip ring induction motor. DC shunt motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Auto transformer starting. Rotor resistance starting. Direct online starting. Stator resistance starting. Auto transformer starting. Rotor resistance starting. Direct online starting. Stator resistance starting. ANSWER DOWNLOAD EXAMIANS APP