Electrical Machines What is the phase difference between two windings of A.C servomotor ? 90°. 120°. 60°. 30°. 90°. 120°. 60°. 30°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC mototr are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor? 16.67%. 15.30%. 18.25%. 14.28%. 16.67%. 15.30%. 18.25%. 14.28%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The oscillation in a synchronous motor can be damped out by providing damper bars in the rotor pole faces. oscillation cannot be damped. maintaining constant excitation. running the motor on leading power factors. providing damper bars in the rotor pole faces. oscillation cannot be damped. maintaining constant excitation. running the motor on leading power factors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above questions, find the power delivered by each of the alternators to a load of impedance 6Ω(resistive) 3190 W, 5040 W. 1000 W, 5040 W. 100 W, 2000 W. 6000 W, 7000 W. 3190 W, 5040 W. 1000 W, 5040 W. 100 W, 2000 W. 6000 W, 7000 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a dc machine shunt resistance and armature resistance values are high and low low and low high and high low and high high and low low and low high and high low and high ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field to an AC source. to a DC source. to earth. in reverse. to an AC source. to a DC source. to earth. in reverse. ANSWER DOWNLOAD EXAMIANS APP
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