DC Generators The effect of armature reaction is to Decrease the total flux Increase the total flux None of the listed here Make the air gap flux uniform Decrease the total flux Increase the total flux None of the listed here Make the air gap flux uniform ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is 8 4 2 6 8 4 2 6 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 ______ 100 150 50 10 100 150 50 10 ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole , lap wound dc shunt generator has an armature winding consisting of 220 turns each of 0.004 Ω. The armature resistance is 0.055 Ω 1 Ω 0.025 Ω 0.5 Ω 0.055 Ω 1 Ω 0.025 Ω 0.5 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to None of the listed here Stray losses Mechanical losses Stray losses plus shunt cu loss None of the listed here Stray losses Mechanical losses Stray losses plus shunt cu loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 2% to 5% More than 20% Less than 0.5 % 15 to 25% 2% to 5% More than 20% Less than 0.5 % 15 to 25% ANSWER DOWNLOAD EXAMIANS APP