Electrical Machines Essential conditions for two DC generators are connecting for parallel operation is/are 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. terminal voltage should be same. polarities should be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the effect of armature reaction ? Armature flux weakens the main field flux. None of the options. Armature flux distorts the main field flux. Both option B and C. Armature flux weakens the main field flux. None of the options. Armature flux distorts the main field flux. Both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor during DC rheostatic braking is 1 - s. 2 + s. s. 2 - s. 1 - s. 2 + s. s. 2 - s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? both B and C shunt generator series generators over compound generator both B and C shunt generator series generators over compound generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Silicon content in steel lamination is kept within 5% as it All of these Increases cost. increases hysteresis loss. makes the material brittle. All of these Increases cost. increases hysteresis loss. makes the material brittle. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? Capacitor start motor All of these Capacitor start capacitor run motor Resistance split phase motor Capacitor start motor All of these Capacitor start capacitor run motor Resistance split phase motor ANSWER DOWNLOAD EXAMIANS APP
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