Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type series generator. shunt generator. level compound. short - shunt generator. series generator. shunt generator. level compound. short - shunt generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss will depends on f f1.6 f³ f² f f1.6 f³ f² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in synchronous motor. none of above. induction motor. in both machines. synchronous motor. none of above. induction motor. in both machines. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of a permanent magnet dc motor is 0.8 Ohm. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be 48.0%. 88.8%. 57.1%. 59.2%. 48.0%. 88.8%. 57.1%. 59.2%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase None of these rotor resistance supply voltage supply frequency None of these rotor resistance supply voltage supply frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Addition of 0.3 % to 4.5 % silicon to iron increases the electrical resistivity of iron. reduces the saturation magnetization. increases the hysteresis loss. None of these increases the electrical resistivity of iron. reduces the saturation magnetization. increases the hysteresis loss. None of these ANSWER DOWNLOAD EXAMIANS APP