Electrical Machines Total core loss is also called as -------------? Copper loss Magnetic loss Eddy current loss Hysteresis loss Copper loss Magnetic loss Eddy current loss Hysteresis loss 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 induction generator torque. DC motor torque. synchronous motor torque. induction motor torque. induction generator torque. DC motor torque. synchronous motor torque. induction motor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________. kept constant to certain value. increased. decreased. remains same. kept constant to certain value. increased. decreased. remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In most condition which frame of motor will be preferred? Totally enclosed fan coiled. Drip proof. Splash proof. Open type. Totally enclosed fan coiled. Drip proof. Splash proof. Open type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will get damaged. start automatically without trouble. develop very low starting torque. not start automatically. get damaged. start automatically without trouble. develop very low starting torque. not start automatically. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? Low load. Full load. None of these. No load. Low load. Full load. None of these. No load. ANSWER DOWNLOAD EXAMIANS APP
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