Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is leading lagging unity zero leading lagging unity zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Type of single phase motor having highest power factor at full load is capacitor start. shaded pole type. split phase. capacitor run. capacitor start. shaded pole type. split phase. capacitor run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by All of these reversing the terminals of starting winding. interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of main winding. All of these reversing the terminals of starting winding. interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of main winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place when load varies. motor is under loaded. when supply voltage fluctuates. when power factor is unity. when load varies. motor is under loaded. when supply voltage fluctuates. when power factor is unity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The fall in speed of the DC generator due to increase in load can be corrected by reducing the load voltage. increasing the input to the prime mover. cooling the armature. increasing the excitation. reducing the load voltage. increasing the input to the prime mover. cooling the armature. increasing the excitation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? All of these. Auto transformer starter. DOL starter. Star-delta starter. All of these. Auto transformer starter. DOL starter. Star-delta starter. ANSWER DOWNLOAD EXAMIANS APP