Electrical Machines In case of DC shunt motor if load is reduced The speed will increase in proportion to reduction in load. The speed will increase abruptly. The speed will remains almost constant. DC Shunt Motor The speed will increase in proportion to reduction in load. The speed will increase abruptly. The speed will remains almost constant. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a line to line fault. 3 - phase fault. 3 - phase to ground fault. line to ground fault. line to line fault. 3 - phase fault. 3 - phase to ground fault. line to ground fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard control is basically a ___________ control method. Armature voltage control. Field control. Field diverter control. Armature resistance control. Armature voltage control. Field control. Field diverter control. Armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the ripples in the direct emf generated are reduced by employing equalizer rings. graphite brushes. carbon brushes. commutator with large number of segments. equalizer rings. graphite brushes. carbon brushes. commutator with large number of segments. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC Series motor is connected across an AC supply it will not run. run at lower speed. run at normal speed. burn. not run. run at lower speed. run at normal speed. burn. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor speed of an induction motor is given by Ns = 120f /p × ( 1 - r). Nr = 120f / p × (1-s). Ns = 120f / p × ( 1 - s ). None of these Ns = 120f /p × ( 1 - r). Nr = 120f / p × (1-s). Ns = 120f / p × ( 1 - s ). None of these ANSWER DOWNLOAD EXAMIANS APP
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