Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant torque. power. speed. current. torque. power. speed. current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If starter is not used with large DC motor for starting, it will provide execessive voltage drop in line. draw a starting current many times its rated full load current. damage the armature and commutator. all of above. provide execessive voltage drop in line. draw a starting current many times its rated full load current. damage the armature and commutator. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? Open slots. Semi closed slots. None of above. Closed slots. Open slots. Semi closed slots. None of above. Closed slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following, voltage regulation may be zero or negative lagging power factor unity power factor All of these leading power factor lagging power factor unity power factor All of these leading power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Field resistance. Residual magnetism of the generator. Armature resistance. None of above. Field resistance. Residual magnetism of the generator. Armature resistance. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motor have which of the following application? Food mixer. Domestic pump. Lift. Traction. Food mixer. Domestic pump. Lift. Traction. ANSWER DOWNLOAD EXAMIANS APP
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