Electrical Machines The armature reaction mmf in a DC machines has a form of triangular. trapezoidal. rectangular. sinusoidal. triangular. trapezoidal. rectangular. sinusoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Speed of alternators should be same Terminal voltage is same Both 1and 2 Frequency should be same Speed of alternators should be same Terminal voltage is same Both 1and 2 Frequency should be same 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? Rotor winding. Stator winding. Both rotor and stator winding. Rotor mmf wave. Rotor winding. Stator winding. Both rotor and stator winding. Rotor mmf wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives hysteresis loss both 1and 2 copper loss eddy current loss hysteresis loss both 1and 2 copper loss eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use Partial motor. Slip induction motor. Universal motor. DC shunt motor. Partial motor. Slip induction motor. Universal motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor start capacitor run provides high staring torque only. none. high power factor only. high staring torque and high power factor. high staring torque only. none. high power factor only. high staring torque and high power factor. ANSWER DOWNLOAD EXAMIANS APP
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