DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 10 150 100 50 10 150 100 50 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Iron commutator Lap winding Magnetic material of high permeability High resistance winding material Iron commutator Lap winding Magnetic material of high permeability High resistance winding material ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. About the same as None of the listed here More than Less than About the same as None of the listed here More than Less than ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Mechanical and copper losses None of the listed here Magnetic and copper losses Magnetic and mechanical losses Mechanical and copper losses None of the listed here Magnetic and copper losses Magnetic and mechanical losses ANSWER DOWNLOAD EXAMIANS APP
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