Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 600 W 700 W 650 W 625 W 600 W 700 W 650 W 625 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Commutator. Armature. Brush. Yoke. Commutator. Armature. Brush. Yoke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? K × input power (1-K) × input power None of these both A and B K × input power (1-K) × input power None of these both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the inner cage offers low resistance and low reactance. high resistance and high reactance. low resistance and high reactance. high resistance and low reactance. low resistance and low reactance. high resistance and high reactance. low resistance and high reactance. high resistance and low reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively Torque and field current. Power factor and field current. Armature current and field current. Armature current and torque. Torque and field current. Power factor and field current. Armature current and field current. Armature current and torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 100 V. 230.2 V. 50 V. 399 V. 100 V. 230.2 V. 50 V. 399 V. ANSWER DOWNLOAD EXAMIANS APP
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