Electrical Machines In a resistance split phase motor, what is the range of torque angle? 25° to 30° 0° 70° to 85° 90° 25° to 30° 0° 70° to 85° 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if the field flux axis is ahead of the armature field axis in the direction of rotation, the machine operating is synchronous generator. asynchronous motor. asynchronous generator. synchronous motor. synchronous generator. asynchronous motor. asynchronous generator. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has almost constant speed over their full load range? none of these. Compound (cummolative). Shunt. Series. none of these. Compound (cummolative). Shunt. Series. 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 none of these machine A any of the two machines machine B none of these machine A any of the two machines ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC motor, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will improve and the speed rises. deteriorate and the speed falls. improve and the speed falls. deteriorate and the speed rises. improve and the speed rises. deteriorate and the speed falls. improve and the speed falls. deteriorate and the speed rises. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the commutator pitch? Number of conductors spanned by one coil at the front end of the armature. Number of conductors spanned by one coil at the back end of the armature. The distance between the staring of first coil and its next successive coil Number of commutator segments between two successive coils. Number of conductors spanned by one coil at the front end of the armature. Number of conductors spanned by one coil at the back end of the armature. The distance between the staring of first coil and its next successive coil Number of commutator segments between two successive coils. ANSWER DOWNLOAD EXAMIANS APP
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