Electrical Machines A short circuit test on a transformer gives copper loss at over load. copper loss at half load. copper loss at any load. copper loss at full load. copper loss at over load. copper loss at half load. copper loss at any load. copper loss at full load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ wound rotor induction motor the short circuit gear is used to short circuit the stator phases of the motor. rotor at slip rings. starting resistance in the starter. None of these stator phases of the motor. rotor at slip rings. starting resistance in the starter. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T∝ P³ T is independent of P T∝ P T∝ P² T∝ P³ T is independent of P T∝ P T∝ P² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 16. 4. 8. 32. 16. 4. 8. 32. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the function of inter pole in DC generator? To get a superior commutation. Both option B and C. To neutralize the distortion of main field flux due to armature reaction. To serve the economical aspects. To get a superior commutation. Both option B and C. To neutralize the distortion of main field flux due to armature reaction. To serve the economical aspects. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sparking at the the brushes, in a DC machines is due to high resistance of carbon brushes. presence of commutator. armature reaction. reactance voltage. high resistance of carbon brushes. presence of commutator. armature reaction. reactance voltage. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS