Electrical Machines The slight curvature at the lower end of the OCC of a self excited DC generator is due to magnetic inertia. high speed. residual flux. high field resistance. magnetic inertia. high speed. residual flux. high field resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 180. 270. 45. 30. 180. 270. 45. 30. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC Series motor is connected across an AC supply it will run at lower speed. burn. run at normal speed. not run. run at lower speed. burn. run at normal speed. not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is pulsating. sinusoidal. triangular. flat topped. pulsating. sinusoidal. triangular. flat topped. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. non uniform cylindrical. cylindrical. none of these. salient. non uniform cylindrical. cylindrical. none of these. salient. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM has a rotor speed of 987 rpm find rotor frequency? 0.75 Hz. 0.65 Hz. 0.70 Hz. 60 Hz. 0.75 Hz. 0.65 Hz. 0.70 Hz. 60 Hz. ANSWER DOWNLOAD EXAMIANS APP