Electrical Machines In a synchronous motor, damper windings are provided on rotor shaft. None of these pole faces. stator frame. rotor shaft. None of these pole faces. stator frame. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, for the same value of Æ, Z and N; which one of the following statements is correct? Armature emf is same as long as the flux density in the air gap remains the same. Armature emf is more with wave winding than with lap winding. Armature emf is less with wave winding than with lap winding. Armature emf depends on weather the machine is running as a motor or generator. Armature emf is same as long as the flux density in the air gap remains the same. Armature emf is more with wave winding than with lap winding. Armature emf is less with wave winding than with lap winding. Armature emf depends on weather the machine is running as a motor or generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Essential conditions for two DC generators are connecting for parallel operation is/are polarities should be same. terminal voltage should be same. both A and B. rating of generators should be same. polarities should be same. terminal voltage should be same. both A and B. rating of generators should be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Reluctance motor. Universal motor. Synchronous motors. Slip ring induction motor. Reluctance motor. Universal motor. Synchronous motors. Slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If starter is not used with large DC motor for starting, it will damage the armature and commutator. provide execessive voltage drop in line. draw a starting current many times its rated full load current. all of above. damage the armature and commutator. provide execessive voltage drop in line. draw a starting current many times its rated full load current. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of None of these statically induced emf. dynamically and statically induced emf. dynamically induced emf. None of these statically induced emf. dynamically and statically induced emf. dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
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