Electrical Machines Hopkinss test in DC motor is conducted at ? Full load. None of these. No load. Low load. Full load. None of these. No load. Low load. 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 What is the actual arrangement of series wound generator? Armature and field both are parallel. Armature winding is in series with load. Armature and field both are connected. Armature and field both are in series with the load. Armature and field both are parallel. Armature winding is in series with load. Armature and field both are connected. Armature and field both are in series with the load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of simple in construction. less maintenance. all of below. less cost. simple in construction. less maintenance. all of below. less cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reluctance and hysteresis motors are the types of which electrical motor? 1 - Φ synchronous motor. DC motor. 3 - Φ induction motor. Stepper motor. 1 - Φ synchronous motor. DC motor. 3 - Φ induction motor. Stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following load normally needs starting torque more than rated torque? Centrifugal pumps. Blowers. Conveyers. Air compressors. Centrifugal pumps. Blowers. Conveyers. Air compressors. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS