Electrical Machines If input of a transformer is square wave the output will be sine wave. triangular wave. square wave. pulsed wave. sine wave. triangular wave. square wave. pulsed wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on pole faces. None of these stator frame. rotor shaft. pole faces. None of these stator frame. rotor shaft. 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. induction generator torque. DC motor torque. induction motor torque. synchronous motor torque. induction generator torque. DC motor torque. induction motor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is All of these maximum zero minimum All of these maximum zero minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under commutation results in sparking the trailing edge of the brush. sparking at the leading edge of the brush. sparking at the middle of the brush. no sparking. sparking the trailing edge of the brush. sparking at the leading edge of the brush. sparking at the middle of the brush. no sparking. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque angle, in a synchronous motor, is the angle between the rotating stator flux and rotor flux. the supply voltage and the back emf. None of these magnetizing electric current and back emf. the rotating stator flux and rotor flux. the supply voltage and the back emf. None of these magnetizing electric current and back emf. ANSWER DOWNLOAD EXAMIANS APP
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