Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? +3.33% -3% -3.33% +3% +3.33% -3% -3.33% +3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which lie in the inter polar gaps. lie under south pole. there is no hard and fast rule for this. lie under north pole. lie in the inter polar gaps. lie under south pole. there is no hard and fast rule for this. lie under north pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Armature. Brush. Yoke. Commutator. Armature. Brush. Yoke. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally around 500 ohms. Low. Infinitely large. 1000 ohms. around 500 ohms. Low. Infinitely large. 1000 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor when the rotor speed exceeds the synchronous speed during hunting negative sequence currents are generated. the damper bars develop induction motor torque. the damper bars develop synchronous motor torque. the damper bars develop induction generator torque. negative sequence currents are generated. the damper bars develop induction motor torque. the damper bars develop synchronous motor torque. the damper bars develop induction generator torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is armature is not present in DC generator. AC. None of these DC. armature is not present in DC generator. AC. None of these DC. ANSWER DOWNLOAD EXAMIANS APP
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