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