Electrical Machines In applied voltage is reduced in a dc shunt motor Full load torque. None of these. Full load speed. Full load current. Full load torque. None of these. Full load speed. Full load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutation in a DC machine may be explained as a process by which electric current in a coil is reversed. by virtue of which emf is induced in the armature conductors. how alternate flux affects the main field flux. in which magnetic field is set up. by which electric current in a coil is reversed. by virtue of which emf is induced in the armature conductors. how alternate flux affects the main field flux. in which magnetic field is set up. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Shaded pole. Split phase. Capacitor start. Capacitor run. Shaded pole. Split phase. Capacitor start. Capacitor run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Considering a galvanometer is connected to the rotor of a 3 - Φ, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed? 1435. 1500. 1440. 1450. 1435. 1500. 1440. 1450. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements : For a level compounded dc generator to run at constant voltage, the series field mmf must effectively compensate 1. armature reaction mmf 2.armature resistance drop 3. brush contact voltage drop Which of these statements is/are correct ? 1 and 3 2 alone 1, 2 and 3 1 and 2 1 and 3 2 alone 1, 2 and 3 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wattage rating of a ceiling fan motor will be 10 - 20 W. 50 - 150 W. 250 - 500 W. 200 - 250 W. 10 - 20 W. 50 - 150 W. 250 - 500 W. 200 - 250 W. ANSWER DOWNLOAD EXAMIANS APP
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