Electrical Machines The torque speed characteristics of a AC servomotor is approximately linearised parabola any of the above hyperbola linearised parabola any of the above hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is both A and B low at rated load only low at heavy loads only low at light loads only both A and B low at rated load only low at heavy loads only low at light loads only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Triangular and directed towards main pole. Peaky in nature. Saddle shape. Triangular and directed towards brush axis. Triangular and directed towards main pole. Peaky in nature. Saddle shape. Triangular and directed towards brush axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator? Equalizer rings. Dummy coils. Commutator. Eye bolt. Equalizer rings. Dummy coils. Commutator. Eye bolt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor slots are slightly skewed in squirrel cage induction motor to decrease the amount of copper to be used. reduce the magnetic hum and locking tendency of rotor. increase the strength of rotor bars. provide ease of fabrication. decrease the amount of copper to be used. reduce the magnetic hum and locking tendency of rotor. increase the strength of rotor bars. provide ease of fabrication. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does the use the of height flux density value in transformer design lead to? Reduced iron loss. Increase in weight/KVA. Decrease in weight/KVA. Reduced copper loss. Reduced iron loss. Increase in weight/KVA. Decrease in weight/KVA. Reduced copper loss. ANSWER DOWNLOAD EXAMIANS APP
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