Electrical Machines Which of the following represents the pitch factor? sin (α/2) Cos α² Cos α Cos (α/2) sin (α/2) Cos α² Cos α Cos (α/2) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? over compound generator shunt generator both B and C series generators over compound generator shunt generator both B and C series generators ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lag unity 0.2 lead 0.9 lag 0.2 lag unity 0.2 lead 0.9 lag ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Capacitor start. Split phase type. Shaded pole type. Capacitor run type. Capacitor start. Split phase type. Shaded pole type. Capacitor run type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the supply terminal of a DC shunt motor are interchanged The motor will run at its normal speed in the same direction as before. The direction of rotation will reverse. The motor will stop. The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. The direction of rotation will reverse. The motor will stop. The motor will run much faster in the same direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Fleming's right hand rule. Fleming's left hand rule. Ampere's law. Lenz's law. Fleming's right hand rule. Fleming's left hand rule. Ampere's law. Lenz's law. ANSWER DOWNLOAD EXAMIANS APP