Electrical Machines If peak value of phase mmf is F max , then peak value of the rotating field caused by three phase is (3/2)Fmax. 3Fmax. Fmax. (1/2)Fmax. (3/2)Fmax. 3Fmax. Fmax. (1/2)Fmax. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an shunt motor. AC synchronous motor. cummulative compound motor. series motor. shunt motor. AC synchronous motor. cummulative compound motor. series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is unity 0.707 lagging 0.5 lagging zero R = S.X unity 0.707 lagging 0.5 lagging zero R = S.X ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? both B and C series generators shunt generator over compound generator both B and C series generators shunt generator over compound generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will remain constant. decrease. any of the above. increase. remain constant. decrease. any of the above. increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque angle, in a synchronous motor, is the angle between magnetizing electric current and back emf. None of these the rotating stator flux and rotor flux. the supply voltage and the back emf. magnetizing electric current and back emf. None of these the rotating stator flux and rotor flux. the supply voltage and the back emf. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS