Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 35 ppm. 45 ppm. 25 ppm. 20 ppm. 35 ppm. 45 ppm. 25 ppm. 20 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers operating in parallel will share the load depending on their per unit impedance leakage reactance efficiency ratings per unit impedance leakage reactance efficiency ratings ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has both shunt and series field winding. only series field winding. tertiary winding. only shunt field winding. both shunt and series field winding. only series field winding. tertiary winding. only shunt field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature reaction mmf in a DC machines has a form of trapezoidal. triangular. sinusoidal. rectangular. trapezoidal. triangular. sinusoidal. rectangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: 100 Hz. Zero Hz. 50 Hz. 25 Hz. 100 Hz. Zero Hz. 50 Hz. 25 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine, the armature windings are placed on the rotor because of necessity for generation of voltage. electromechanical energy conversion. development of torque. commutation. generation of voltage. electromechanical energy conversion. development of torque. commutation. ANSWER DOWNLOAD EXAMIANS APP