Electrical Machines Transformer cooling and insulating oil must be of low viscosity. high viscosity. low BDV. low resistivity. low viscosity. high viscosity. low BDV. low resistivity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating magnetic field is produced in an induction motor because of stator winding. None of these rotor winding. either stator winding or rotor winding. stator winding. None of these rotor winding. either stator winding or rotor winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. semi closed or semi opened. always closed. always opened. none. semi closed or semi opened. always closed. always opened. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in parallel with the series field in series with the series field in series with the shunt field in parallel with the shunt field in parallel with the series field in series with the series field in series with the shunt field in parallel with the shunt field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator frame in an induction motor is used to ventilate the armature. hold armature stamping in position. provide return path for the flux. protect the whole machine. ventilate the armature. hold armature stamping in position. provide return path for the flux. protect the whole machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between short circuit current and armature current short circuit current and field current no load voltage and armature current no load voltage and field current short circuit current and armature current short circuit current and field current no load voltage and armature current no load voltage and field current ANSWER DOWNLOAD EXAMIANS APP
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