Electrical Machines Dynamic braking is employed to brake reversing drive both 1 and 2 non reversing drive None of these reversing drive both 1 and 2 non reversing drive None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Lenz's law. Fleming's right hand rule. Ampere's law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere's law. Fleming's left hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. The highest speed of the alternators is 3000 rpm. 3600 rpm. 600 rpm. 500 rpm. 3000 rpm. 3600 rpm. 600 rpm. 500 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase supply frequency supply voltage None of these rotor resistance supply frequency supply voltage None of these rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Essential conditions for two DC generators are connecting for parallel operation is/are terminal voltage should be same. polarities should be same. both A and B. rating of generators should be same. terminal voltage should be same. polarities should be same. both A and B. rating of generators should be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at None of these throughout the air gap. interpole region. region under main pole. None of these throughout the air gap. interpole region. region under main pole. ANSWER DOWNLOAD EXAMIANS APP
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