Electrical Machines Maximum power developed depends on reactance load angle both 1and 2 voltage reactance load angle both 1and 2 voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 50 V. 100 V. 230.2 V. 399 V. 50 V. 100 V. 230.2 V. 399 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a 3 - Φ induction motor is clockwise when it is supplied with 3 - Φ sinusoidal voltage having phase sequence A - B - C. For counterclockwise rotation of motor, the phase sequence of the supply should be C - A - B. B - C - A or C - A - B. A - C - B. B - C - A. C - A - B. B - C - A or C - A - B. A - C - B. B - C - A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt machine generates 250 V on open circuit at 1000 RPM. Armature resistance is 0.5 Ω, field resistance 250 Ω. When running as a motor takes 4 A at 250 V. Calculate the efficiency when running as a motor taking 40 A at 250 V. Armature reaction weakens the field by 4%. 78.5% 82.5% 72.5% 67.5% 78.5% 82.5% 72.5% 67.5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 2 4 1 8 2 4 1 8 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? Star-delta starter. DOL starter. Auto transformer starter. All of these. Star-delta starter. DOL starter. Auto transformer starter. All of these. ANSWER DOWNLOAD EXAMIANS APP
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