Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a line to ground fault. line to line fault. 3 - phase fault. 3 - phase to ground fault. line to ground fault. line to line fault. 3 - phase fault. 3 - phase to ground fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a three phase slip-ring induction motor, brushes are connected to external star-connected resistors. DC supply. equalizing coils. 3 - Φ AC supply. external star-connected resistors. DC supply. equalizing coils. 3 - Φ AC supply. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 stack stepper motor has 12 teeth on stator as well as on rotor. Determine the step size when each stack excited? 45°. 24°. 30°. 10°. 45°. 24°. 30°. 10°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The total core loss of a 400 V, 50 Hz transformer is 2400W, when it is supplied by 200 V, 25 Hz loss is 800W. Calculate eddy current loss and hysteresis loss? 1600W, 800W 1400W, 1000W 1000W , 1400W 800W, 1600W 1600W, 800W 1400W, 1000W 1000W , 1400W 800W, 1600W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature MMF waveform of a DC machine is rectangular. triangular. sinusoidal. pulsating. rectangular. triangular. sinusoidal. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ slip ring motor has double cage rotor. short-circuited rotor. any of the above. wound rotor. double cage rotor. short-circuited rotor. any of the above. wound rotor. ANSWER DOWNLOAD EXAMIANS APP
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