Electrical Machines The output voltage of a DC generator is E = V + Ra. E = V – IaRa. E = V + IaRa. E = V + Ia. E = V + Ra. E = V – IaRa. E = V + IaRa. E = V + Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor operates in stable region at which of the following slip? low slip region both 1 and 2 unity slip high slip region low slip region both 1 and 2 unity slip high slip region ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Compensating winding will act under the pole. None of these Both A and B. Inter pole winding will act in interpolar region. Compensating winding will act under the pole. None of these Both A and B. Inter pole winding will act in interpolar region. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, brushes are always placed along load axis. geometrical neutral axis. armature axis. magnetic neutral axis. load axis. geometrical neutral axis. armature axis. magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 4 pole IM is supplied from a 50 Hz source. Calculate rotor frequency when rotor runs 600 rpm? 30 Hz. 20 Hz. 35 Hz. Can be determined. 30 Hz. 20 Hz. 35 Hz. Can be determined. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same voltage magnitude same frequency same phase sequence same prime mover speed same voltage magnitude same frequency same phase sequence same prime mover speed ANSWER DOWNLOAD EXAMIANS APP
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