Electrical Machines Which type of motors are preferred in lifts? DC compound motors. None of these DC series motors. DC shunt motors. DC compound motors. None of these DC series motors. DC shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reactive power generated or delivered significantly depends on load angle. excitation. frequency. both 1 and 2. load angle. excitation. frequency. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The damper windings also called the squirrel cage windings or damper grids consists of short-circuited copper bars embedded in the field pole faces. both (A) and (B). are provided on the stator for improving power factor. are provided in a synchronous motor to make it self starting. consists of short-circuited copper bars embedded in the field pole faces. both (A) and (B). are provided on the stator for improving power factor. are provided in a synchronous motor to make it self starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Capacitor run type. Split phase type. Capacitor start. Shaded pole type. Capacitor run type. Split phase type. Capacitor start. Shaded pole type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Addition of 0.3 % to 4.5 % silicon to iron reduces the saturation magnetization. increases the electrical resistivity of iron. increases the hysteresis loss. None of these reduces the saturation magnetization. increases the electrical resistivity of iron. increases the hysteresis loss. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 20 V. 0 V. 40 V. 60 V. 20 V. 0 V. 40 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS