Electrical Machines Which of the following represents the rotating losses of machine? All of the them Friction and windage losses Hysteresis losses Eddy current losses All of the them Friction and windage losses Hysteresis losses Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutation in a DC machine may be explained as a process by virtue of which emf is induced in the armature conductors. by which electric current in a coil is reversed. how alternate flux affects the main field flux. in which magnetic field is set up. by virtue of which emf is induced in the armature conductors. by which electric current in a coil is reversed. how alternate flux affects the main field flux. in which magnetic field is set up. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At the instant of starting, the per unit slip of 3 - Φ induction motor is 1.0. 0.05. 0.1. 0.5. 1.0. 0.05. 0.1. 0.5. 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? 15 N. 20 N. None of these. Can't be determined. 15 N. 20 N. None of these. Can't be determined. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Alternator operates on the principle of self induction. self or mutual induction. mutual induction. electromagnetic induction. self induction. self or mutual induction. mutual induction. electromagnetic induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 205 V. 210 V. 201.02 V. 212 V. 205 V. 210 V. 201.02 V. 212 V. ANSWER DOWNLOAD EXAMIANS APP