Electrical Machines The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ? 16.67%. 18.25%. 15.30%. 14.28%. 16.67%. 18.25%. 15.30%. 14.28%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects voltage but not the torque torque but not the voltage both the torque and voltage neither the voltage nor the torque voltage but not the torque torque but not the voltage both the torque and voltage neither the voltage nor the torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator if field winding attains the critical resistance field winding will burn. the voltage generated will be zero. machine will generate maximum power. machine will generate maximum voltage. field winding will burn. the voltage generated will be zero. machine will generate maximum power. machine will generate maximum voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase 400 V, 6 pole, 50 Hz, squirrel cage induction motor is running at a slip of 5%. The speed of stator magnetic field with respect to rotor magnetic field and speed of rotor w.r.t stator magnetic field are zero, 950 rpm. zero , - 50 rpm. 1000 rpm, 950 rpm. 1000 rpm, - 50 rpm. zero, 950 rpm. zero , - 50 rpm. 1000 rpm, 950 rpm. 1000 rpm, - 50 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is interpole and compensating windings together interpole winding field winding armature winding interpole and compensating windings together interpole winding field winding armature winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 2000 rpm 500 rpm 250 rpm 1000 rpm 2000 rpm 500 rpm 250 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS