Electrical Machines Swinburne test is conducted under which of the following condition? no load any of the above half load full load no load any of the above half load full load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a step down transformer which one of the following statements is true? Secondary power is less than primary power. Number of secondary turns is more than that of primary. Number of secondary turns is less than primary turns. Secondary current is less than primary current. Secondary power is less than primary power. Number of secondary turns is more than that of primary. Number of secondary turns is less than primary turns. Secondary current is less than primary current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used. Ward Leonard control. any of above method. rheostatic control. none of above. Ward Leonard control. any of above method. rheostatic control. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC machine is made of silicon steel lamination to increase the permeability. reduce hysteresis loss only. reduce eddy current loss only. reduce both eddy current and hysteresis loss. increase the permeability. reduce hysteresis loss only. reduce eddy current loss only. reduce both eddy current and hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is done in speed control of DC motor by field flux control? Any of above. Inserting an additional resistance in the field circuit. Inserting resistance to armature circuit and field circuit. Inserting an additional resistance in the armature circuit. Any of above. Inserting an additional resistance in the field circuit. Inserting resistance to armature circuit and field circuit. Inserting an additional resistance in the armature circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For an ideal transformer the winding should have no ohmic resistance on either side maximum resistance on primary side and least resistance on secondary side equal resistance on primary and secondary side minimum resistance on primary side and maximum resistance on secondary side no ohmic resistance on either side maximum resistance on primary side and least resistance on secondary side equal resistance on primary and secondary side minimum resistance on primary side and maximum resistance on secondary side ANSWER DOWNLOAD EXAMIANS APP
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