Electrical Machines If a DC Series motor is connected across an AC supply it will run at normal speed. not run. run at lower speed. burn. run at normal speed. not run. run at lower speed. burn. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.04 0.02 0.4 0.2 0.04 0.02 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators brushes are used for convert ac armature current in to dc collecting of voltage reduce eddy current loss collecting of current without any sparkings convert ac armature current in to dc collecting of voltage reduce eddy current loss collecting of current without any sparkings ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 4. 2. 1. 8. 4. 2. 1. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately parabola hyperbola linearised any of the above parabola hyperbola linearised any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase machine B any of the two machines none of these machine A machine B any of the two machines none of these machine A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS