Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Auxiliary winding. Both Compensating and Commutating pole winding. Commutating pole winding. Compensating winding. Auxiliary winding. Both Compensating and Commutating pole winding. Commutating pole winding. Compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ___________________ generator has the poorest voltage regulation. differential compounded. over compounded. under-compounded. shunt. differential compounded. over compounded. under-compounded. shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field? Zero Synchronous speed Slip speed None of these Zero Synchronous speed Slip speed None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately-excited dc motor has an armature resistance of 0.5 Ω. It runs off a 250 V dc supply Drawing an armature current of 20 A at 1500 rpm. The torque developed for an armature current Of 10 A, for the same field current, will be 15.92 Nm 15.28 Nm 15.6 Nm 16.55 Nm 15.92 Nm 15.28 Nm 15.6 Nm 16.55 Nm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Scott connections are used for any of the above. three phase to two phase transformation. single phase to three phase transformation. three phase to single phase transformation. any of the above. three phase to two phase transformation. single phase to three phase transformation. three phase to single phase transformation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Shaded pole. Capacitor start. Capacitor run. Split phase. Shaded pole. Capacitor start. Capacitor run. Split phase. ANSWER DOWNLOAD EXAMIANS APP
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