Electrical Machines Eb/V ratio of a DC motor is an indication of Speed regulation. Starting torque. Effiency. Running Torque. Speed regulation. Starting torque. Effiency. Running Torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop synchronous motor torque. DC motor torque. induction motor torque. induction generator torque. synchronous motor torque. DC motor torque. induction motor torque. induction generator torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as V² f f² V V² f f² V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increase in speed of a DC motor both back emf as well as line current increase. both back emf as well as line current fall. back emf increases but line current falls. back emf falls and line current increases. both back emf as well as line current increase. both back emf as well as line current fall. back emf increases but line current falls. back emf falls and line current increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to reduce hunting All of these improve starting torque improve the power factor reduce hunting All of these improve starting torque improve the power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commonly used starters of cage motor is None of these DOL. star delta. both A and B. None of these DOL. star delta. both A and B. ANSWER DOWNLOAD EXAMIANS APP
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