Electrical Machines If a DC Series motor is connected across an AC supply it will run at normal speed. not run. burn. run at lower speed. run at normal speed. not run. burn. run at lower speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a standard frequency the machine operates at a particular speed known as any of the above. normal speed. synchronous speed. slip speed. any of the above. normal speed. synchronous speed. slip speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shaded pole single phase induction motor can be used for personal computers as cooling fan tape recorders wet grinders food mixers personal computers as cooling fan tape recorders wet grinders food mixers ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of speed regulation. running torque. efficiency. starting torque. speed regulation. running torque. efficiency. starting torque. 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 increase. Decrease.d none of these. remains same. increase. Decrease.d none of these. remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to improve starting torque improve the power factor All of these reduce hunting improve starting torque improve the power factor All of these reduce hunting ANSWER DOWNLOAD EXAMIANS APP
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