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