Electrical Machines For pure resistive load what is the armature reaction? demagnetization cross magnetization All of these magnetization demagnetization cross magnetization All of these magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of high speed motor. single phase induction motor. high torque motor. low horse power motor. high speed motor. single phase induction motor. high torque motor. low horse power motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine, the demagnetizing effect of armature reaction is due to magnetic saturation in half of the field pole component of armature mmf along field axis non-sinusoidal nature of armature mmf uneven air-gap length magnetic saturation in half of the field pole component of armature mmf along field axis non-sinusoidal nature of armature mmf uneven air-gap length ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor armature conductor of length 0.5 m is exposed to a flux density of 4 Wb / m2. Calculate the force experienced by the conductor, when the armature current is 5 Amp? Can't be determined. 20 N. None of these. 15 N. Can't be determined. 20 N. None of these. 15 N. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor may be unbalanced due to uneven air gap. poor lubrication. overheating of winding. overload. uneven air gap. poor lubrication. overheating of winding. overload. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above questions, find the power delivered by each of the alternators to a load of impedance 6Ω(resistive) 3190 W, 5040 W. 100 W, 2000 W. 1000 W, 5040 W. 6000 W, 7000 W. 3190 W, 5040 W. 100 W, 2000 W. 1000 W, 5040 W. 6000 W, 7000 W. ANSWER DOWNLOAD EXAMIANS APP