Electrical Machines In salient pole synchronous machine, the reluctance power varies as sinδ cosδ cos2δ sin2δ sinδ cosδ cos2δ sin2δ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor has which of the following characteristics? Has a almost constant speed. Has its field winding consinting of thick wire and less no of turns. Can be started easily without load. Has a poor torque. Has a almost constant speed. Has its field winding consinting of thick wire and less no of turns. Can be started easily without load. Has a poor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies along neutral axis. along field axis. in any of above positions. in none of above positions. along neutral axis. along field axis. in any of above positions. in none of above positions. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is 1 : 1. none. N1 : N2. N12 : N22. 1 : 1. none. N1 : N2. N12 : N22. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Very low. Very high. Normal. Zero. Very low. Very high. Normal. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce eddy current loss. hysteresis loss. ohmic loss. both eddy current and hysteresis loss. eddy current loss. hysteresis loss. ohmic loss. both eddy current and hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
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