DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the leading None of the listed here Strengthns the flux at the leading Weaknes the flux at the trailing Weaknes the flux at the leading None of the listed here Strengthns the flux at the leading Weaknes the flux at the trailing 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 50 100 10 150 50 100 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Lap winding Iron commutator Magnetic material of high permeability High resistance winding material Lap winding Iron commutator 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. Less than More than None of the listed here About the same as Less than More than None of the listed here About the same as ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Magnetic and copper losses None of the listed here Mechanical and copper losses Magnetic and mechanical losses Magnetic and copper losses None of the listed here Mechanical and copper losses Magnetic and mechanical losses ANSWER DOWNLOAD EXAMIANS APP