Electrical Machines The commutator segments of DC machines are made up of copper brass copper alloy hard-drawn copper copper brass copper alloy hard-drawn copper ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Brush. Armature. Yoke. Commutator. Brush. Armature. Yoke. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is differential compound. cumulative compound. shunt. series. differential compound. cumulative compound. shunt. series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is Greater than 1. 0.5. 0.25. near to 1. Greater than 1. 0.5. 0.25. near to 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies along field axis. in none of above positions. in any of above positions. along neutral axis. along field axis. in none of above positions. in any of above positions. along neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principal of starting of 3 - Φ IM is similar to capacitor run IM. repulsion motor type starting. synchronous motor. transformer with short-circuited secondary. capacitor run IM. repulsion motor type starting. synchronous motor. transformer with short-circuited secondary. ANSWER DOWNLOAD EXAMIANS APP
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