Electrical Machines In synchronous generator V curve is drawn between field current on X-axis and armature current on Y-axis. field current on X-axis and power factor on Y-axis. either of these. field current on Y-axis and armature current on X-axis. field current on X-axis and armature current on Y-axis. field current on X-axis and power factor on Y-axis. either of these. field current on Y-axis and armature current on X-axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator frame in an induction motor is used to hold armature stamping in position. provide return path for the flux. ventilate the armature. protect the whole machine. hold armature stamping in position. provide return path for the flux. ventilate the armature. protect the whole machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a short circuit test on a transformer is performed at 25 V, 50 Hz, the drawn current is I1. If the test is performed by 25 V and 25 Hz and power drawn current is I2, then I1 = I2 None of these I1 > I2 I1 < I2 I1 = I2 None of these I1 > I2 I1 < I2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Synchronous motors. Reluctance motor. Slip ring induction motor. Universal motor. Synchronous motors. Reluctance motor. Slip ring induction motor. Universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to reduce hunting improve starting torque All of these improve the power factor reduce hunting improve starting torque All of these improve the power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, hysteresis and eddy current losses depend upon supply frequency both 2 and 3 maximum flux density load current supply frequency both 2 and 3 maximum flux density load current ANSWER DOWNLOAD EXAMIANS APP