Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. linear. wound. none of these. cage. linear. wound. none of these. cage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively Armature current and torque. Power factor and field current. Torque and field current. Armature current and field current. Armature current and torque. Power factor and field current. Torque and field current. Armature current and field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For very sensitive and wide speed control, the preferable control method is Ward-Leonard control. Field control. Multiple voltage control. Armature control. Ward-Leonard control. Field control. Multiple voltage control. Armature control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? DC series motor. Separately compound motor. Synchronous motor. Shunt motor. DC series motor. Separately compound motor. Synchronous motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is none of these. core. magnetic field poles. armature. none of these. core. magnetic field poles. armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The fall in speed of the DC generator due to increase in load can be corrected by cooling the armature. increasing the input to the prime mover. reducing the load voltage. increasing the excitation. cooling the armature. increasing the input to the prime mover. reducing the load voltage. increasing the excitation. ANSWER DOWNLOAD EXAMIANS APP
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