Electrical Machines Equalizer rings are used in which of the followings? both 1 and 2 wave winding lap winding None of these both 1 and 2 wave winding lap winding None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V dc series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 Ω. The value of resistance which must be added to obtain rated torque at 1000 rpm is 6 Ω 2.2 Ω 1.9 Ω 5.7 Ω 6 Ω 2.2 Ω 1.9 Ω 5.7 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? windage and friction loss both 1 and 2 Copper loss core loss only windage and friction loss both 1 and 2 Copper loss core loss only 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 Which of the following statements is/are correct statements? All of these EMF per turn in HV winding is less than EMF per turn in LV winding EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in both the windings are equal All of these EMF per turn in HV winding is less than EMF per turn in LV winding EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in both the windings are equal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - φ induction motor running at full load which of these parameters is stationary with respect to the stator mmf wave? Stator winding. Rotor winding. Both rotor and stator winding. Rotor mmf wave. Stator winding. Rotor winding. Both rotor and stator winding. Rotor mmf wave. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS