DC Generators Due to armature reaction, the main pole flux of a dc generator is Weakened as well as distorted Distorted only Weakend only None of the listed here Weakened as well as distorted Distorted only Weakend only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 6 4 8 2 6 4 8 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Cast-iron Nonferrous material Silicon steel Copper Cast-iron Nonferrous material Silicon steel Copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 25 percent 10 percent 5 percent 40 percent 25 percent 10 percent 5 percent 40 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 20 V 10 V 0.1 V 2 V 20 V 10 V 0.1 V 2 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To reduce eddy current losses To provide mechanical balance for the rotor To amplify voltage To enhance flux density To reduce eddy current losses To provide mechanical balance for the rotor To amplify voltage To enhance flux density ANSWER DOWNLOAD EXAMIANS APP
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