Electrical Machines The use of double squirrel cage winding on the rotor provides reduced starting torque. low noise. a large starting torque. higher efficiency. reduced starting torque. low noise. a large starting torque. higher efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for commutation electromechanical energy conversion development of torque generation of voltage commutation electromechanical energy conversion development of torque generation of voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is zero. unity. lagging. leading. zero. unity. lagging. leading. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator rotates at 1500 rpm. How many times in a second, will the emf induced in each armature conductor changes its direction? 500. 750. 100. 200. 500. 750. 100. 200. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator the voltage generated per phase is proportional to flux per pole. number of turns in coil. frequency of waveform. All of these flux per pole. number of turns in coil. frequency of waveform. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor used in Lathe machine? None of these D.C. cumulative compound motor. D.C. shunt motor. D.C . series motor. None of these D.C. cumulative compound motor. D.C. shunt motor. D.C . series motor. ANSWER DOWNLOAD EXAMIANS APP