Electrical Machines The wattage rating of a ceiling fan motor will be 200 - 250 W. 10 - 20 W. 50 - 150 W. 250 - 500 W. 200 - 250 W. 10 - 20 W. 50 - 150 W. 250 - 500 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC machine is made of silicon steel lamination to reduce hysteresis loss only. reduce both eddy current and hysteresis loss. increase the permeability. reduce eddy current loss only. reduce hysteresis loss only. reduce both eddy current and hysteresis loss. increase the permeability. reduce eddy current loss only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor is supplying a load at unity power factor. If the load on the motor is increased keeping its excitation and terminal voltage constant, the power factor will become leading None of these will remain the same will become lagging will become leading None of these will remain the same will become lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of rotation of DC motor is reversed by Adding resistance to field circuit. Reversing armature connection or field connection. Interchanging armature and field connection. Reversing supply connection. Adding resistance to field circuit. Reversing armature connection or field connection. Interchanging armature and field connection. Reversing supply connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, the no-load slip is generally equal to less than 1 %. zero. 4 %. 1.5 %. less than 1 %. zero. 4 %. 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in the dc generator armature winding is AC and DC AC DC None of these AC and DC AC DC None of these ANSWER DOWNLOAD EXAMIANS APP
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