Electrical Machines Hysteresis loss is proportional to f. f3. f2. f1.5. f. f3. f2. f1.5. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an synchronous generator. induction motor. induction generator. synchronous motor. synchronous generator. induction motor. induction generator. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor is used in paper machines? Separately excited DC motor. DC compound motor. DC series motor. DC Shunt motor. Separately excited DC motor. DC compound motor. DC series motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is magnetising. none of above. crossmagnetising. demagnetising. magnetising. none of above. crossmagnetising. demagnetising. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant power control constant torque control constant voltage control constant current control constant power control constant torque control constant voltage control constant current control 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 field current. Power factor and field current. Torque and field current. Armature current and torque. Armature current and field current. Power factor and field current. Torque and field current. Armature current and torque. ANSWER DOWNLOAD EXAMIANS APP
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