Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. semi closed or semi opened. always opened. always closed. none. semi closed or semi opened. always opened. always closed. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type short - shunt generator. level compound. series generator. shunt generator. short - shunt generator. level compound. series generator. shunt generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is zero 0.707 lagging R = S.X unity 0.5 lagging zero 0.707 lagging R = S.X unity 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For an ideal transformer the winding should have no ohmic resistance on either side minimum resistance on primary side and maximum resistance on secondary side equal resistance on primary and secondary side maximum resistance on primary side and least resistance on secondary side no ohmic resistance on either side minimum resistance on primary side and maximum resistance on secondary side equal resistance on primary and secondary side maximum resistance on primary side and least resistance on secondary side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the rotating losses of machine? All of the them Friction and windage losses Hysteresis losses Eddy current losses All of the them Friction and windage losses Hysteresis losses Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc generator operating on load with its brushes on the geometrical neutral axis (GNA), the magnetic neutral axis (MNA) is shifted in the direction of rotation. Now, if the brushes are given a lead of 90° (electrical), then the MNA will coincide with the GNA shift forward by 90° shift forward by more than 90° shift forward by less than 90° coincide with the GNA shift forward by 90° shift forward by more than 90° shift forward by less than 90° ANSWER DOWNLOAD EXAMIANS APP
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