Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is zero lagging leading unity zero lagging leading unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 100/10, 50 VA double winding transformer is converted to 100/110 V auto transformer. The rating of auto transformer is 500 VA 110 VA 550 VA 100 VA 500 VA 110 VA 550 VA 100 VA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Essential conditions for two DC generators are connecting for parallel operation is/are rating of generators should be same. both A and B. polarities should be same. terminal voltage should be same. rating of generators should be same. both A and B. polarities should be same. terminal voltage should be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to over excitation. heating. any of these. vibrations. over excitation. heating. any of these. vibrations. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will increase. any of the above. remain constant. decrease. increase. any of the above. remain constant. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for All of these compound motors. shunt motors. series motors. All of these compound motors. shunt motors. series motors. ANSWER DOWNLOAD EXAMIANS APP
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