Electrical Machines In a DC Shunt Motor the speed can be increased by Decreasing the field current. Increasing the field current. Increasing the field current. Increasing the armature current. Decreasing the field current. Increasing the field current. Increasing the field current. Increasing the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a certain transformer is increased by 50% and the frequency is reduced by 50%, the maximum flux density will (assuming that the magnetic circuit remains unsaturated) remain the same as the original changes to 1.5 times the original value changes to 0.5 times the original value changes to three times the original value remain the same as the original changes to 1.5 times the original value changes to 0.5 times the original value changes to three times the original value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dissolve gas analysis of transformer oil is carried out to determine condition of transformer. condition of bushing stud. condition of bushings. condition of transformer oil. condition of transformer. condition of bushing stud. condition of bushings. condition of transformer oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the actual arrangement of series wound generator? Armature and field both are in series with the load. Armature and field both are parallel. Armature and field both are connected. Armature winding is in series with load. Armature and field both are in series with the load. Armature and field both are parallel. Armature and field both are connected. Armature winding is in series with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The primary and secondary windings of a transformer are electrically linked. mechanically linked. conductively linked. inductively linked. electrically linked. mechanically linked. conductively linked. inductively linked. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? AC single phase motor. Synchronous motor. Induction motor. DC Shunt Motor AC single phase motor. Synchronous motor. Induction motor. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
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