Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as f f² V² V f f² V² V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a practical synchronous motor the pull out torque will occur when the torque angle is nearly equal to 75°. 0°. 30°. 45°. 75°. 0°. 30°. 45°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake None of these non reversing drive reversing drive both 1 and 2 None of these non reversing drive reversing drive both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 1.644 KW. 5.46 KW. 0.9103 KW. 2.73 KW. 1.644 KW. 5.46 KW. 0.9103 KW. 2.73 KW. 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 in reverse. to a DC source. to earth. to an AC source. in reverse. to a DC source. to earth. to an AC source. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 4 and 2 2 and 1 4 ang 1 2 and 2 4 and 2 2 and 1 4 ang 1 2 and 2 ANSWER DOWNLOAD EXAMIANS APP
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