Electrical Machines The current drawn by a DC motor at the time of starting is Zero. Very high. Normal. Very low. Zero. Very high. Normal. Very low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following relation is correct? Xd > Xq. None of these Xd < Xq. Xd = Xq. Xd > Xq. None of these Xd < Xq. Xd = Xq. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines How can the synchronous speed of a 3 - Φ IM be varied? By varying the supply frequency. Both (A) and (B). By varying number of poles. By varying supply voltage. By varying the supply frequency. Both (A) and (B). By varying number of poles. By varying supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a given torque, reducing diverter resistance of a DC series motor causes increase in speed demanding more armature current. decrease in speed but armature current remains the same. decrease in speed demanding less armature current. increase in speed but armature currnet remains the same. increase in speed demanding more armature current. decrease in speed but armature current remains the same. decrease in speed demanding less armature current. increase in speed but armature currnet remains the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 4 2 1 6 4 2 1 6 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor the torque is proportional to Power P P² 1/P 1/P² Power P P² 1/P 1/P² ANSWER DOWNLOAD EXAMIANS APP
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