Electrical Machines The emf induced in a conductor rotating in a bipolar field is both of above. DC. None of these AC. both of above. DC. None of these AC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW 50 MW and 50 MW respectively any of the above 66.67 MW and 33.33 MW respectively 33.33 MW and 66.67 MW respectively 50 MW and 50 MW respectively any of the above 66.67 MW and 33.33 MW respectively 33.33 MW and 66.67 MW respectively ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field of a dc shunt motor gets opened while the motor is running, then the armature current will drop motor will attain dangerously high speed motor will become slow. armature will oscillate about original speed as the mean speed armature current will drop motor will attain dangerously high speed motor will become slow. armature will oscillate about original speed as the mean speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines, the interpoles are provided both (B) and (C). to make commutation spark less. to counteract the reactance voltage and the cross-magnetizi to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). to make commutation spark less. to counteract the reactance voltage and the cross-magnetizi to counteract demagnetizing effect of armature mmf in commutating zone. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T ∝ 1/V² T∝ V² T ∝ 1/V T ∝ V T ∝ 1/V² T∝ V² T ∝ 1/V T ∝ V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Reduce armature heating. Increase speed Increase acceleration duration. Reduce starting torque. Reduce armature heating. Increase speed Increase acceleration duration. Reduce starting torque. ANSWER DOWNLOAD EXAMIANS APP
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