Electrical Machines Induction motors have the advantage of less cost. less maintenance. all of below. simple in construction. less cost. less maintenance. all of below. simple in construction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor decreases. increases. remains same. None of these decreases. increases. remains same. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of 51.5Hz 48.5Hz 2.5Hz 1.5Hz 51.5Hz 48.5Hz 2.5Hz 1.5Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. minimum. constant. variable. maximum. minimum. constant. variable. maximum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for swing action which motor is preferred? Capacitor type induction motors. DC series motor. Reluctance motor. AC slip ring IM. Capacitor type induction motors. DC series motor. Reluctance motor. AC slip ring IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to variable supply voltage. variable frequency. windage friction. variable load. variable supply voltage. variable frequency. windage friction. variable load. ANSWER DOWNLOAD EXAMIANS APP
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